[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Jun 8 15:03:09 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 09 Jun, 2018

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

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

BGP routing table entries examined:                              703944
    Prefixes after maximum aggregation (per Origin AS):          270298
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      337366
Total ASes present in the Internet Routing Table:                 60965
    Prefixes per ASN:                                             11.55
Origin-only ASes present in the Internet Routing Table:           52613
Origin ASes announcing only one prefix:                           22991
Transit ASes present in the Internet Routing Table:                8352
Transit-only ASes present in the Internet Routing Table:            280
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 30873)                              28
Prefixes from unregistered ASNs in the Routing Table:                73
    Number of instances of unregistered ASNs:                        73
Number of 32-bit ASNs allocated by the RIRs:                      22870
Number of 32-bit ASNs visible in the Routing Table:               18455
Prefixes from 32-bit ASNs in the Routing Table:                   76985
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            254
Number of addresses announced to Internet:                   2858854723
    Equivalent to 170 /8s, 102 /16s and 169 /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:      235189

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

Prefixes being announced by APNIC Region ASes:                   192144
    Total APNIC prefixes after maximum aggregation:               54502
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          190877
    Unique aggregates announced from the APNIC address blocks:    77709
APNIC Region origin ASes present in the Internet Routing Table:    8863
    APNIC Prefixes per ASN:                                       21.54
APNIC Region origin ASes announcing only one prefix:               2487
APNIC Region transit ASes present in the Internet Routing Table:   1340
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3835
Number of APNIC addresses announced to Internet:              767495938
    Equivalent to 45 /8s, 191 /16s and 15 /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:                    209136
    Total ARIN prefixes after maximum aggregation:                99495
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           209874
    Unique aggregates announced from the ARIN address blocks:     99071
ARIN Region origin ASes present in the Internet Routing Table:    18200
    ARIN Prefixes per ASN:                                        11.53
ARIN Region origin ASes announcing only one prefix:                6727
ARIN Region transit ASes present in the Internet Routing Table:    1812
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:    2360
Number of ARIN addresses announced to Internet:              1104150304
    Equivalent to 65 /8s, 207 /16s and 255 /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:                    192454
    Total RIPE prefixes after maximum aggregation:                92303
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           188510
    Unique aggregates announced from the RIPE address blocks:    111882
RIPE Region origin ASes present in the Internet Routing Table:    25225
    RIPE Prefixes per ASN:                                         7.47
RIPE Region origin ASes announcing only one prefix:               11386
RIPE Region transit ASes present in the Internet Routing Table:    3515
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:    7074
Number of RIPE addresses announced to Internet:               716001408
    Equivalent to 42 /8s, 173 /16s and 80 /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:                   91138
    Total LACNIC prefixes after maximum aggregation:              19938
    LACNIC Deaggregation factor:                                   4.57
Prefixes being announced from the LACNIC address blocks:          92568
    Unique aggregates announced from the LACNIC address blocks:   40818
LACNIC Region origin ASes present in the Internet Routing Table:   7207
    LACNIC Prefixes per ASN:                                      12.84
LACNIC Region origin ASes announcing only one prefix:              2006
LACNIC Region transit ASes present in the Internet Routing Table:  1342
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4754
Number of LACNIC addresses announced to Internet:             172420000
    Equivalent to 10 /8s, 70 /16s and 235 /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:                  18998
    Total AfriNIC prefixes after maximum aggregation:              4006
    AfriNIC Deaggregation factor:                                  4.74
Prefixes being announced from the AfriNIC address blocks:         21861
    Unique aggregates announced from the AfriNIC address blocks:   7662
AfriNIC Region origin ASes present in the Internet Routing Table:  1158
    AfriNIC Prefixes per ASN:                                     18.88
AfriNIC Region origin ASes announcing only one prefix:              385
AfriNIC Region transit ASes present in the Internet Routing Table:  231
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  432
Number of AfriNIC addresses announced to Internet:             98352640
    Equivalent to 5 /8s, 220 /16s and 190 /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         5423       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4405        419     434  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2867       1154      76  VIETEL-AS-AP Viettel Group, VN
  4766         2846      11134     761  KIXS-AS-KR Korea Telecom, KR
  9829         2803       1497     543  BSNL-NIB National Internet Backbone, IN
 45899         2554       1598     162  VNPT-AS-VN VNPT Corp, VN
  9394         2538       4907      31  CTTNET China TieTong Telecommunications
 17974         2219        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2209       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2104        417     206  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         3459       1324      85  SHAW - Shaw Communications Inc., CA
 22773         3280       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2193        237     450  CABLEONE - CABLE ONE, INC., US
 18566         2170        405     109  MEGAPATH5-US - MegaPath Corporation, US
 16509         2136       4706     674  AMAZON-02 - Amazon.com, Inc., US
 20115         2105       2553     467  CHARTER-NET-HKY-NC - Charter Communicat
   209         2006       5070     608  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1986        342     169  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         1889        938    1349  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1732      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         4240       1517     544  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         2817        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2586        658    1897  AKAMAI-ASN1, US
 34984         2026        335     496  TELLCOM-AS, TR
 12389         2012       1877     707  ROSTELECOM-AS, RU
  9121         1887       1692      19  TTNET, TR
 13188         1609        100      43  TRIOLAN, UA
  8402         1258        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1241        355      21  UKRTELNET, UA

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         4973       3305     583  Uninet S.A. de C.V., MX
 10620         3588        541     254  Telmex Colombia S.A., CO
 11830         2650        369      77  Instituto Costarricense de Electricidad
  6503         1640        443      60  Axtel, S.A.B. de C.V., MX
  7303         1516       1027     189  Telecom Argentina S.A., AR
 28573         1031       2241     176  CLARO S.A., BR
  3816         1009        505     130  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          932        377      31  Telefonica del Peru S.A.A., PE
 11172          926        126      85  Alestra, S. de R.L. de C.V., MX
 18881          911       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         1172        396      48  LINKdotNET-AS, EG
 37611          857        107       9  Afrihost, ZA
 36903          735        369     146  MT-MPLS, MA
 36992          723       1412      41  ETISALAT-MISR, EG
  8452          671       1730      18  TE-AS TE-AS, EG
 24835          607        818      18  RAYA-AS, EG
 37492          467        470      57  ORANGE-, TN
 29571          455         68      11  ORANGE-COTE-IVOIRE, CI
 37342          378         32       1  MOVITEL, MZ
 15399          369         35       7  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         5423       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4973       3305     583  Uninet S.A. de C.V., MX
  7545         4405        419     434  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479         4240       1517     544  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3588        541     254  Telmex Colombia S.A., CO
  6327         3459       1324      85  SHAW - Shaw Communications Inc., CA
 22773         3280       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2867       1154      76  VIETEL-AS-AP Viettel Group, VN
  4766         2846      11134     761  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       4973         4390   Uninet S.A. de C.V., MX
  7545       4405         3971   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
 12479       4240         3696   UNI2-AS, ES
  6327       3459         3374   SHAW - Shaw Communications Inc., CA
 10620       3588         3334   Telmex Colombia S.A., CO
 22773       3280         3133   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2867         2791   VIETEL-AS-AP Viettel Group, VN
  8551       2817         2774   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830       2650         2573   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
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
 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
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.70.0/24       65001       -Private Use AS-, ZZ

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
27.100.7.0/24        56096    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/24       37500    -Reserved AS-, ZZ
41.76.141.0/24       37500    -Reserved AS-, ZZ
41.76.142.0/24       37500    -Reserved AS-, ZZ
41.76.143.0/24       37500    -Reserved AS-, ZZ

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    /15:1901    /16:13371   /17:7931    /18:13755   
/19:25307   /20:39368   /21:45518   /22:87459   /23:71110   /24:393881  
/25:828     /26:632     /27:636     /28:36      /29:20      /30:17      
/31:4       /32:55      

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

   ASN   No of nets  Total ann.  Description
  6327     3246          3459    SHAW - Shaw Communications Inc., CA
 12479     3027          4240    UNI2-AS, ES
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2543          3280    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2279          2817    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2063          2170    MEGAPATH5-US - MegaPath Corporation, US
 11830     1998          2650    Instituto Costarricense de Electricidad y Telec
 11492     1910          2193    CABLEONE - CABLE ONE, INC., US
 30036     1738          1986    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1612          3588    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)
----------------------------------------------

   1:1643      2:858       4:19        5:2808      6:66        7:1      
   8:1119     12:1863     13:194      14:1757     15:28       16:3      
  17:210      18:55       20:49       21:8        23:2643     24:2229   
  25:2        27:2376     31:1989     32:92       35:27       36:512    
  37:2756     38:1477     39:265      40:121      41:3219     42:681    
  43:1923     44:118      45:4689     46:3042     47:200      49:1326   
  50:1056     51:314      52:1050     54:369      55:2        56:12     
  57:40       58:1620     59:999      60:428      61:2161     62:1835   
  63:1792     64:5032     65:2210     66:4679     67:2443     68:1166   
  69:3221     70:1152     71:566      72:2115     74:2734     75:419    
  76:454      77:1559     78:1709     79:1812     80:1517     81:1389   
  82:1093     83:771      84:1080     85:2044     86:577      87:1312   
  88:926      89:2341     90:214      91:6386     92:1206     93:2368   
  94:2395     95:2835     96:730      97:358      98:946      99:133    
 100:83      101:1277    102:79      103:17862   104:3619    105:243    
 106:632     107:1897    108:686     109:3451    110:1640    111:1778   
 112:1269    113:1279    114:1131    115:1645    116:1637    117:1730   
 118:2159    119:1665    120:975     121:1050    122:2444    123:1772   
 124:1436    125:1899    128:1026    129:656     130:450     131:1592   
 132:678     133:196     134:1025    135:258     136:500     137:560    
 138:1970    139:610     140:406     141:725     142:829     143:1010   
 144:805     145:479     146:1196    147:730     148:1636    149:765    
 150:732     151:1060    152:784     153:312     154:1100    155:766    
 156:1031    157:802     158:658     159:1738    160:1001    161:781    
 162:2583    163:583     164:1059    165:1476    166:462     167:1285   
 168:3064    169:830     170:3732    171:440     172:1087    173:2010   
 174:905     175:779     176:1997    177:4028    178:2505    179:1215   
 180:2225    181:2246    182:2368    183:1181    184:1024    185:13565  
 186:3620    187:2375    188:2841    189:2096    190:8122    191:1404   
 192:9829    193:5966    194:4842    195:3984    196:2551    197:1558   
 198:5521    199:5917    200:7367    201:5020    202:10458   203:10197  
 204:4577    205:2892    206:3110    207:3176    208:4018    209:3978   
 210:4054    211:2107    212:3046    213:2732    214:968     215:59     
 216:5971    217:2129    218:912     219:627     220:1768    221:989    
 222:1022    223:1286   

End of report


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