[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Ago 31 15:03:14 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 01 Sep, 2018

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

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

BGP routing table entries examined:                              713837
    Prefixes after maximum aggregation (per Origin AS):          273774
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      342471
Total ASes present in the Internet Routing Table:                 61678
    Prefixes per ASN:                                             11.57
Origin-only ASes present in the Internet Routing Table:           53258
Origin ASes announcing only one prefix:                           23227
Transit ASes present in the Internet Routing Table:                8420
Transit-only ASes present in the Internet Routing Table:            263
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                59
    Number of instances of unregistered ASNs:                        59
Number of 32-bit ASNs allocated by the RIRs:                      23898
Number of 32-bit ASNs visible in the Routing Table:               19283
Prefixes from 32-bit ASNs in the Routing Table:                   80844
Number of bogon 32-bit ASNs visible in the Routing Table:            18
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            321
Number of addresses announced to Internet:                   2855523908
    Equivalent to 170 /8s, 51 /16s and 214 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.0
Total number of prefixes smaller than registry allocations:      238618

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

Prefixes being announced by APNIC Region ASes:                   194522
    Total APNIC prefixes after maximum aggregation:               55387
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          192645
    Unique aggregates announced from the APNIC address blocks:    79290
APNIC Region origin ASes present in the Internet Routing Table:    9034
    APNIC Prefixes per ASN:                                       21.32
APNIC Region origin ASes announcing only one prefix:               2537
APNIC Region transit ASes present in the Internet Routing Table:   1348
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4001
Number of APNIC addresses announced to Internet:              767494915
    Equivalent to 45 /8s, 191 /16s and 11 /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, 131072-139577
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:                    212189
    Total ARIN prefixes after maximum aggregation:               100386
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           211909
    Unique aggregates announced from the ARIN address blocks:    100560
ARIN Region origin ASes present in the Internet Routing Table:    18219
    ARIN Prefixes per ASN:                                        11.63
ARIN Region origin ASes announcing only one prefix:                6756
ARIN Region transit ASes present in the Internet Routing Table:    1808
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2419
Number of ARIN addresses announced to Internet:              1101112992
    Equivalent to 65 /8s, 161 /16s and 166 /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, 393216-399260
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:                    195173
    Total RIPE prefixes after maximum aggregation:                93190
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           191486
    Unique aggregates announced from the RIPE address blocks:    113483
RIPE Region origin ASes present in the Internet Routing Table:    25451
    RIPE Prefixes per ASN:                                         7.52
RIPE Region origin ASes announcing only one prefix:               11469
RIPE Region transit ASes present in the Internet Routing Table:    3514
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7357
Number of RIPE addresses announced to Internet:               714109312
    Equivalent to 42 /8s, 144 /16s and 113 /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
                       196608-210331
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:                   92401
    Total LACNIC prefixes after maximum aggregation:              20612
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          93809
    Unique aggregates announced from the LACNIC address blocks:   40895
LACNIC Region origin ASes present in the Internet Routing Table:   7499
    LACNIC Prefixes per ASN:                                      12.51
LACNIC Region origin ASes announcing only one prefix:              2072
LACNIC Region transit ASes present in the Internet Routing Table:  1417
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:  5047
Number of LACNIC addresses announced to Internet:             172077344
    Equivalent to 10 /8s, 65 /16s and 177 /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:                  19492
    Total AfriNIC prefixes after maximum aggregation:              4149
    AfriNIC Deaggregation factor:                                  4.70
Prefixes being announced from the AfriNIC address blocks:         23667
    Unique aggregates announced from the AfriNIC address blocks:   7969
AfriNIC Region origin ASes present in the Internet Routing Table:  1185
    AfriNIC Prefixes per ASN:                                     19.97
AfriNIC Region origin ASes announcing only one prefix:              393
AfriNIC Region transit ASes present in the Internet Routing Table:  240
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  459
Number of AfriNIC addresses announced to Internet:            100272384
    Equivalent to 5 /8s, 250 /16s and 9 /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         4680       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4426        478     470  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2986       1154      90  VIETEL-AS-AP Viettel Group, VN
  4766         2825      11135     768  KIXS-AS-KR Korea Telecom, KR
  9829         2813       1495     541  BSNL-NIB National Internet Backbone, IN
 45899         2712       1646     158  VNPT-AS-VN VNPT Corp, VN
  9394         2549       4907      32  CTTNET China TieTong Telecommunications
 17974         2262        962      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2255       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2121        417     204  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         3455       1324      83  SHAW - Shaw Communications Inc., CA
 11492         3354        249     439  CABLEONE - CABLE ONE, INC., US
 22773         3226       2970     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2279       4809     778  AMAZON-02 - Amazon.com, Inc., US
 18566         2166        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2146       2677     506  CHARTER-NET-HKY-NC - Charter Communicat
   209         2042       5085     605  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         2032        345     142  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         2004       1051    1469  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1771      20199    1282  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         4733       1613     125  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3081        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2560        620    1900  AKAMAI-ASN1, US
 12389         2043       1893     733  ROSTELECOM-AS, RU
 34984         2008        335     510  TELLCOM-AS, TR
  9121         1819       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1210        544      14  CORBINA-AS OJSC "Vimpelcom", RU

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         5208       3349     607  Uninet S.A. de C.V., MX
 10620         3490        532     455  Telmex Colombia S.A., CO
 11830         2652        369      78  Instituto Costarricense de Electricidad
  6503         1675        444      65  Axtel, S.A.B. de C.V., MX
  7303         1430        953     206  Telecom Argentina S.A., AR
 28573         1094       2231     192  CLARO S.A., BR
  3816         1022        510     116  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          928        126      84  Alestra, S. de R.L. de C.V., MX
 18881          916       1082      27  TELEF‘NICA BRASIL S.A, BR
  6147          884        377      31  Telefonica del Peru S.A.A., PE

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         1196        396      48  LINKdotNET-AS, EG
 37611          896        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          746       1411      41  ETISALAT-MISR, EG
 24835          641        818      18  RAYA-AS, EG
  8452          578       1728      14  TE-AS TE-AS, EG
 37492          474        470      57  ORANGE-, TN
 29571          461         70      11  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 23889          376        231      15  MauritiusTelecom, MU

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
  8151         5208       3349     607  Uninet S.A. de C.V., MX
 12479         4733       1613     125  UNI2-AS, ES
  4538         4680       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4426        478     470  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3490        532     455  Telmex Colombia S.A., CO
  6327         3455       1324      83  SHAW - Shaw Communications Inc., CA
 11492         3354        249     439  CABLEONE - CABLE ONE, INC., US
 22773         3226       2970     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3081        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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

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

  ASN   No of nets  Net Savings  Description
 12479       4733         4608   UNI2-AS, ES
  4538       4680         4606   ERX-CERNET-BKB China Education and Research Net
  7545       4426         3956   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3455         3372   SHAW - Shaw Communications Inc., CA
 22773       3226         3077   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3081         3037   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 10620       3490         3035   Telmex Colombia S.A., CO
 11492       3354         2915   CABLEONE - CABLE ONE, INC., US
  7552       2986         2896   VIETEL-AS-AP Viettel Group, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  64500   DOCUMENT     45.43.56.0/24       135391       AOFEI-HK AOFEI DATA INTERNATIO
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
4200003000   PRIVATE      47.89.98.0/24        45102       CNNIC-ALIBABA-CN-NET-AP Alibab
  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
  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

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
41.78.92.0/22        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
45.121.32.0/22      134356    UNKNOWN

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      /10:36      /11:99      /12:292     
/13:567     /14:1094    /15:1893    /16:13357   /17:7938    /18:13818   
/19:25388   /20:39498   /21:45678   /22:88576   /23:72247   /24:401135  
/25:814     /26:617     /27:634     /28:35      /29:20      /30:19      
/31:4       /32:53      

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

   ASN   No of nets  Total ann.  Description
 12479     3485          4733    UNI2-AS, ES
  6327     3244          3455    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2691          3354    CABLEONE - CABLE ONE, INC., US
  8551     2543          3081    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2493          3226    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2060          2166    MEGAPATH5-US - MegaPath Corporation, US
 11830     2001          2652    Instituto Costarricense de Electricidad y Telec
 30036     1783          2032    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1581          3490    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)
----------------------------------------------

   1:1617      2:830       4:18        5:2832      6:43        7:1      
   8:1127     12:1873     13:210      14:1798     15:32       16:3      
  17:192      18:54       20:51       23:2455     24:2387     25:2      
  27:2493     31:1974     32:88       35:29       36:526      37:2904   
  38:1494     39:258      40:117      41:3201     42:705      43:1954   
  44:121      45:5447     46:3131     47:207      49:1341     50:1051   
  51:318      52:1088     54:368      55:1        56:11       57:38     
  58:1629     59:994      60:408      61:2116     62:1893     63:1790   
  64:5068     65:2205     66:4710     67:2669     68:1150     69:3341   
  70:1156     71:581      72:2215     74:2734     75:419      76:464    
  77:1642     78:1688     79:2255     80:1582     81:1399     82:1063   
  83:779      84:1034     85:2001     86:567      87:1349     88:908    
  89:2341     90:211      91:6424     92:1263     93:2380     94:2427   
  95:2961     96:935      97:355      98:925      99:135     100:86     
 101:989     102:192     103:18531   104:3527    105:216     106:771    
 107:1773    108:709     109:3316    110:1647    111:1794    112:1343   
 113:1304    114:1128    115:1616    116:1660    117:1776    118:2219   
 119:1656    120:1029    121:1041    122:2424    123:1729    124:1446   
 125:1923    128:1120    129:682     130:493     131:1653    132:730    
 133:191     134:1026    135:235     136:507     137:651     138:1926   
 139:680     140:479     141:741     142:847     143:1009    144:810    
 145:479     146:1241    147:738     148:1649    149:768     150:761    
 151:1101    152:828     153:323     154:1660    155:799     156:1441   
 157:801     158:660     159:1850    160:1324    161:825     162:2645   
 163:605     164:1083    165:1551    166:446     167:1208    168:3212   
 169:834     170:3875    171:491     172:1011    173:2096    174:983    
 175:795     176:2033    177:4024    178:2490    179:1283    180:2182   
 181:2419    182:2568    183:1248    184:1056    185:13986   186:3535   
 187:2470    188:2890    189:2041    190:8215    191:1358    192:9810   
 193:6119    194:5018    195:3988    196:2738    197:1613    198:5584   
 199:5931    200:7285    201:5005    202:10265   203:10285   204:4573   
 205:2892    206:3205    207:3210    208:3927    209:4074    210:3889   
 211:1997    212:3041    213:2817    214:1038    215:55      216:5999   
 217:2130    218:861     219:566     220:1811    221:997     222:974    
 223:1376   

End of report


Más información sobre la lista de distribución LACNOG