[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Jun 22 15:03:03 BRT 2018


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats en lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.

Routing Table Report   04:00 +10GMT Sat 23 Jun, 2018

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              703303
    Prefixes after maximum aggregation (per Origin AS):          270193
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      338217
Total ASes present in the Internet Routing Table:                 61035
    Prefixes per ASN:                                             11.52
Origin-only ASes present in the Internet Routing Table:           52713
Origin ASes announcing only one prefix:                           23017
Transit ASes present in the Internet Routing Table:                8322
Transit-only ASes present in the Internet Routing Table:            278
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      35
    Max AS path prepend of ASN ( 30873)                              28
Prefixes from unregistered ASNs in the Routing Table:                57
    Number of instances of unregistered ASNs:                        58
Number of 32-bit ASNs allocated by the RIRs:                      23039
Number of 32-bit ASNs visible in the Routing Table:               18570
Prefixes from 32-bit ASNs in the Routing Table:                   77573
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            251
Number of addresses announced to Internet:                   2857601731
    Equivalent to 170 /8s, 83 /16s and 138 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.9
Total number of prefixes smaller than registry allocations:      234814

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   191808
    Total APNIC prefixes after maximum aggregation:               54535
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          190565
    Unique aggregates announced from the APNIC address blocks:    77963
APNIC Region origin ASes present in the Internet Routing Table:    8891
    APNIC Prefixes per ASN:                                       21.43
APNIC Region origin ASes announcing only one prefix:               2504
APNIC Region transit ASes present in the Internet Routing Table:   1333
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3865
Number of APNIC addresses announced to Internet:              767315458
    Equivalent to 45 /8s, 188 /16s and 78 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    209266
    Total ARIN prefixes after maximum aggregation:                99538
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           209732
    Unique aggregates announced from the ARIN address blocks:     99325
ARIN Region origin ASes present in the Internet Routing Table:    18203
    ARIN Prefixes per ASN:                                        11.52
ARIN Region origin ASes announcing only one prefix:                6745
ARIN Region transit ASes present in the Internet Routing Table:    1809
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2367
Number of ARIN addresses announced to Internet:              1103139744
    Equivalent to 65 /8s, 192 /16s and 147 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    192413
    Total RIPE prefixes after maximum aggregation:                91986
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           188546
    Unique aggregates announced from the RIPE address blocks:    112093
RIPE Region origin ASes present in the Internet Routing Table:    25224
    RIPE Prefixes per ASN:                                         7.47
RIPE Region origin ASes announcing only one prefix:               11371
RIPE Region transit ASes present in the Internet Routing Table:    3507
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7109
Number of RIPE addresses announced to Internet:               715741568
    Equivalent to 42 /8s, 169 /16s and 89 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   91026
    Total LACNIC prefixes after maximum aggregation:              20078
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          92442
    Unique aggregates announced from the LACNIC address blocks:   40924
LACNIC Region origin ASes present in the Internet Routing Table:   7248
    LACNIC Prefixes per ASN:                                      12.75
LACNIC Region origin ASes announcing only one prefix:              2013
LACNIC Region transit ASes present in the Internet Routing Table:  1348
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4792
Number of LACNIC addresses announced to Internet:             172466080
    Equivalent to 10 /8s, 71 /16s and 159 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  18732
    Total AfriNIC prefixes after maximum aggregation:              4007
    AfriNIC Deaggregation factor:                                  4.67
Prefixes being announced from the AfriNIC address blocks:         21767
    Unique aggregates announced from the AfriNIC address blocks:   7688
AfriNIC Region origin ASes present in the Internet Routing Table:  1162
    AfriNIC Prefixes per ASN:                                     18.73
AfriNIC Region origin ASes announcing only one prefix:              384
AfriNIC Region transit ASes present in the Internet Routing Table:  225
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  437
Number of AfriNIC addresses announced to Internet:             98499072
    Equivalent to 5 /8s, 222 /16s and 250 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5427       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4294        422     437  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2918       1153      79  VIETEL-AS-AP Viettel Group, VN
  4766         2847      11134     760  KIXS-AS-KR Korea Telecom, KR
  9829         2812       1497     543  BSNL-NIB National Internet Backbone, IN
  9394         2540       4907      31  CTTNET China TieTong Telecommunications
 45899         2511       1602     158  VNPT-AS-VN VNPT Corp, VN
  9808         2245       8699      26  CMNET-GD Guangdong Mobile Communication
 17974         2220        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2107        417     205  TATACOMM-AS TATA Communications formerl

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3429       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3285       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2359        242     474  CABLEONE - CABLE ONE, INC., US
 16509         2171       4711     687  AMAZON-02 - Amazon.com, Inc., US
 18566         2170        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2108       2570     470  CHARTER-NET-HKY-NC - Charter Communicat
   209         2018       5070     610  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1996        342     162  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         1938        968    1384  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1739      20202    1271  ATT-INTERNET4 - AT&T Services, Inc., US

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 12479         4392       1604     117  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         2724        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2548        632    1879  AKAMAI-ASN1, US
 12389         2013       1877     708  ROSTELECOM-AS, RU
 34984         2013        334     495  TELLCOM-AS, TR
  9121         1898       1692      19  TTNET, TR
 13188         1609        100      43  TRIOLAN, UA
  8402         1267        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  9198         1067        363      28  KAZTELECOM-AS, KZ

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         4988       3308     584  Uninet S.A. de C.V., MX
 10620         3561        541     258  Telmex Colombia S.A., CO
 11830         2654        369      78  Instituto Costarricense de Electricidad
  6503         1640        443      60  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     188  Telecom Argentina S.A., AR
  3816         1422        555     217  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1036       2245     180  CLARO S.A., BR
 11172          927        127      86  Alestra, S. de R.L. de C.V., MX
  6147          920        377      31  Telefonica del Peru S.A.A., PE
 18881          913       1078      30  TELEF‘NICA BRASIL S.A, BR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1067        396      48  LINKdotNET-AS, EG
 37611          871        107       9  Afrihost, ZA
 36903          753        378     140  MT-MPLS, MA
 36992          738       1411      39  ETISALAT-MISR, EG
  8452          622       1730      18  TE-AS TE-AS, EG
 24835          580        802      18  RAYA-AS, EG
 37492          472        470      57  ORANGE-, TN
 29571          454         68      11  ORANGE-COTE-IVOIRE, CI
 37342          379         32       1  MOVITEL, MZ
 15399          373         39       8  WANANCHI-, KE

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5427       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4988       3308     584  Uninet S.A. de C.V., MX
 12479         4392       1604     117  UNI2-AS, ES
  7545         4294        422     437  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3561        541     258  Telmex Colombia S.A., CO
  6327         3429       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3285       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2918       1153      79  VIETEL-AS-AP Viettel Group, VN
  4766         2847      11134     760  KIXS-AS-KR Korea Telecom, KR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  8151       4988         4404   Uninet S.A. de C.V., MX
 12479       4392         4275   UNI2-AS, ES
  7545       4294         3857   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3429         3345   SHAW - Shaw Communications Inc., CA
 10620       3561         3303   Telmex Colombia S.A., CO
 22773       3285         3138   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2918         2839   VIETEL-AS-AP Viettel Group, VN
  8551       2724         2681   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830       2654         2576   Instituto Costarricense de Electricidad y Telec

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  64514   PRIVATE      5.42.231.0/24        35753       ITC ITC AS number, SA
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
  65537   DOCUMENT     62.162.120.0/24       6821       MT-AS-OWN bul. Orce Nikolov bb
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  65544   DOCUMENT     103.197.121.0/24     65542       UNKNOWN

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
23.143.192.0/24      22119    -Reserved AS-, ZZ
23.164.128.0/24      20473    AS-CHOOPA - Choopa, LLC, US
27.100.7.0/24        56096    UNKNOWN
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:14       /9:11      /10:37      /11:99      /12:290     
/13:567     /14:1097    /15:1903    /16:13360   /17:7929    /18:13781   
/19:25231   /20:39221   /21:45434   /22:87306   /23:70744   /24:394098  
/25:820     /26:613     /27:620     /28:35      /29:20      /30:17      
/31:4       /32:52      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3216          3429    SHAW - Shaw Communications Inc., CA
 12479     3136          4392    UNI2-AS, ES
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2547          3285    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2186          2724    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2063          2170    MEGAPATH5-US - MegaPath Corporation, US
 11830     2002          2654    Instituto Costarricense de Electricidad y Telec
 11492     1916          2359    CABLEONE - CABLE ONE, INC., US
 30036     1748          1996    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1612          3561    Telmex Colombia S.A., CO

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1604      2:851       4:20        5:2828      6:40        7:1      
   8:1122     12:1874     13:195      14:1750     15:30       16:3      
  17:214      18:55       20:49       23:2628     24:2222     25:2      
  27:2416     31:2018     32:92       35:27       36:498      37:2753   
  38:1450     39:229      40:123      41:3099     42:674      43:1922   
  44:122      45:4765     46:3035     47:201      49:1326     50:1051   
  51:315      52:1058     54:372      55:4        56:12       57:39     
  58:1624     59:1001     60:388      61:2094     62:1848     63:1788   
  64:5029     65:2215     66:4666     67:2446     68:1168     69:3225   
  70:1152     71:556      72:2120     74:2725     75:422      76:454    
  77:1545     78:1716     79:1732     80:1510     81:1391     82:1075   
  83:784      84:1074     85:2040     86:567      87:1300     88:927    
  89:2343     90:212      91:6388     92:1199     93:2367     94:2389   
  95:2871     96:737      97:357      98:945      99:133     100:83     
 101:1231    102:102     103:17968   104:3565    105:211     106:650    
 107:1783    108:694     109:3445    110:1640    111:1776    112:1276   
 113:1270    114:1125    115:1659    116:1644    117:1754    118:2151   
 119:1670    120:990     121:1053    122:2471    123:1779    124:1439   
 125:1905    128:1082    129:668     130:454     131:1603    132:695    
 133:193     134:1019    135:225     136:499     137:564     138:1971   
 139:646     140:430     141:722     142:802     143:975     144:801    
 145:481     146:1189    147:725     148:1637    149:760     150:733    
 151:1059    152:788     153:314     154:1148    155:769     156:1074   
 157:797     158:649     159:1739    160:1155    161:788     162:2581   
 163:593     164:1063    165:1486    166:451     167:1299    168:3075   
 169:818     170:3779    171:457     172:1078    173:2011    174:907    
 175:779     176:1995    177:4109    178:2510    179:1218    180:2197   
 181:2286    182:2379    183:1191    184:1028    185:13667   186:3596   
 187:2341    188:2857    189:2070    190:8122    191:1428    192:9833   
 193:5977    194:4857    195:3971    196:2600    197:1571    198:5544   
 199:5894    200:7338    201:5004    202:10457   203:10190   204:4565   
 205:2894    206:3109    207:3172    208:3999    209:3967    210:4035   
 211:2099    212:3025    213:2774    214:981     215:57      216:6000   
 217:2122    218:897     219:633     220:1766    221:977     222:1023   
 223:1296   

End of report


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