[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Ene 25 16:03:28 -02 2019


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 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 26 Jan, 2019

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

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

BGP routing table entries examined:                              735087
    Prefixes after maximum aggregation (per Origin AS):          282856
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      353977
Total ASes present in the Internet Routing Table:                 63043
    Prefixes per ASN:                                             11.66
Origin-only ASes present in the Internet Routing Table:           54340
Origin ASes announcing only one prefix:                           23554
Transit ASes present in the Internet Routing Table:                8703
Transit-only ASes present in the Internet Routing Table:            266
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      31
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                21
    Number of instances of unregistered ASNs:                        23
Number of 32-bit ASNs allocated by the RIRs:                      25565
Number of 32-bit ASNs visible in the Routing Table:               20801
Prefixes from 32-bit ASNs in the Routing Table:                   90165
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            280
Number of addresses announced to Internet:                   2842185859
    Equivalent to 169 /8s, 104 /16s and 80 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.1
Total number of prefixes smaller than registry allocations:      246520

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

Prefixes being announced by APNIC Region ASes:                   200062
    Total APNIC prefixes after maximum aggregation:               57154
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          197213
    Unique aggregates announced from the APNIC address blocks:    81461
APNIC Region origin ASes present in the Internet Routing Table:    9401
    APNIC Prefixes per ASN:                                       20.98
APNIC Region origin ASes announcing only one prefix:               2654
APNIC Region transit ASes present in the Internet Routing Table:   1385
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4402
Number of APNIC addresses announced to Internet:              769479202
    Equivalent to 45 /8s, 221 /16s and 82 /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:                    217564
    Total ARIN prefixes after maximum aggregation:               103205
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           216843
    Unique aggregates announced from the ARIN address blocks:    103859
ARIN Region origin ASes present in the Internet Routing Table:    18333
    ARIN Prefixes per ASN:                                        11.83
ARIN Region origin ASes announcing only one prefix:                6813
ARIN Region transit ASes present in the Internet Routing Table:    1849
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2556
Number of ARIN addresses announced to Internet:              1079577248
    Equivalent to 64 /8s, 89 /16s and 10 /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:                    201876
    Total RIPE prefixes after maximum aggregation:                96105
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           198122
    Unique aggregates announced from the RIPE address blocks:    117149
RIPE Region origin ASes present in the Internet Routing Table:    25785
    RIPE Prefixes per ASN:                                         7.68
RIPE Region origin ASes announcing only one prefix:               11496
RIPE Region transit ASes present in the Internet Routing Table:    3619
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7780
Number of RIPE addresses announced to Internet:               716486080
    Equivalent to 42 /8s, 180 /16s and 181 /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:                   95321
    Total LACNIC prefixes after maximum aggregation:              22183
    LACNIC Deaggregation factor:                                   4.30
Prefixes being announced from the LACNIC address blocks:          96713
    Unique aggregates announced from the LACNIC address blocks:   42119
LACNIC Region origin ASes present in the Internet Routing Table:   8009
    LACNIC Prefixes per ASN:                                      12.08
LACNIC Region origin ASes announcing only one prefix:              2174
LACNIC Region transit ASes present in the Internet Routing Table:  1495
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5558
Number of LACNIC addresses announced to Internet:             173208064
    Equivalent to 10 /8s, 82 /16s and 242 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  20242
    Total AfriNIC prefixes after maximum aggregation:              4191
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:         25916
    Unique aggregates announced from the AfriNIC address blocks:   9144
AfriNIC Region origin ASes present in the Internet Routing Table:  1233
    AfriNIC Prefixes per ASN:                                     21.02
AfriNIC Region origin ASes announcing only one prefix:              417
AfriNIC Region transit ASes present in the Internet Routing Table:  244
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  505
Number of AfriNIC addresses announced to Internet:            103030272
    Equivalent to 6 /8s, 36 /16s and 30 /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         4653       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4594        526     522  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3048       1160     100  VIETEL-AS-AP Viettel Group, VN
 45899         3000       1721     111  VNPT-AS-VN VNPT Corp, VN
  4766         2811      11127     767  KIXS-AS-KR Korea Telecom, KR
  9829         2749       1496     550  BSNL-NIB National Internet Backbone, IN
  9808         2475       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2406       4906      29  CTTNET China TieTong Telecommunications
  4755         2145        438     183  TATACOMM-AS TATA Communications formerl
 17974         2036        968      50  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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         3536       1322      87  SHAW - Shaw Communications Inc., CA
 11492         3486        225     616  CABLEONE - CABLE ONE, INC., US
 22773         3313       2980     174  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2621       5377    1003  AMAZON-02 - Amazon.com, Inc., US
 16625         2272       1248    1714  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2153       2759     536  CHARTER-20115 - Charter Communications,
 18566         2136        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2122        356     114  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2089       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2071       5076     580  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

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         5320       1628     138  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3277        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2625        561    1923  AKAMAI-ASN1, US
 12389         2228       2220     631  ROSTELECOM-AS, RU
 34984         2067        339     528  TELLCOM-AS, TR
  9121         1685       1691      17  TTNET, TR
 13188         1604        100      46  TRIOLAN, UA
  9009         1309        144     735  M247, GB
  8402         1305        545      15  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         5532       3323     587  Uninet S.A. de C.V., MX
 10620         3003        453     963  Telmex Colombia S.A., CO
 11830         2683        371      60  Instituto Costarricense de Electricidad
  6503         1583        449      55  Axtel, S.A.B. de C.V., MX
  7303         1441        965     226  Telecom Argentina S.A., AR
  6147         1271        377      29  Telefonica del Peru S.A.A., PE
 28573         1181       2239     183  CLARO S.A., BR
  3816         1029        511     115  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          932        144      67  Alestra, S. de R.L. de C.V., MX
 18881          920       1114      28  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         1145        393      21  LINKdotNET-AS, EG
 37611          904        107       9  Afrihost, ZA
 36992          800       1411      44  ETISALAT-MISR, EG
 36903          797        401     139  MT-MPLS, MA
 24835          684        634      21  RAYA-AS, EG
  8452          629       1731      20  TE-AS TE-AS, EG
 29571          485         70      13  ORANGE-COTE-IVOIRE, CI
 37492          468        470      57  ORANGE-, TN
 15399          425         45      11  WANANCHI-, KE
 37342          418         32       1  MOVITEL, MZ

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         5532       3323     587  Uninet S.A. de C.V., MX
 12479         5320       1628     138  UNI2-AS, ES
  4538         4653       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4594        526     522  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3536       1322      87  SHAW - Shaw Communications Inc., CA
 11492         3486        225     616  CABLEONE - CABLE ONE, INC., US
 22773         3313       2980     174  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3277        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  7552         3048       1160     100  VIETEL-AS-AP Viettel Group, VN

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       5320         5182   UNI2-AS, ES
  4538       4653         4579   ERX-CERNET-BKB China Education and Research Net
  7545       4594         4072   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3536         3449   SHAW - Shaw Communications Inc., CA
  8551       3277         3234   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773       3313         3139   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3048         2948   VIETEL-AS-AP Viettel Group, VN
 45899       3000         2889   VNPT-AS-VN VNPT Corp, VN
 11492       3486         2870   CABLEONE - CABLE ONE, INC., US

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
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit
  64011   UNALLOCATED  166.133.128.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.133.192.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.184.9.0/24       20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.220.64.0/19      20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.220.96.0/19      20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64141   UNALLOCATED  181.119.152.0/24    264619       Wireless Provider, AR

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

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

Prefix             Origin AS  Description
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
23.170.96.0/24       29916    AS-TIC - The Internet Company Limited Partnership, 
27.100.7.0/24        56096    UNKNOWN
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
41.76.136.0/22       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
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US

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        /8:12       /9:10      /10:36      /11:99      /12:292     
/13:568     /14:1128    /15:1917    /16:13372   /17:7875    /18:13833   
/19:25553   /20:39707   /21:46145   /22:91375   /23:74966   /24:415370  
/25:918     /26:821     /27:865     /28:20      /29:6       /30:7       
/31:0       /32:192     

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

   ASN   No of nets  Total ann.  Description
 12479     4166          5320    UNI2-AS, ES
  6327     3302          3536    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2758          3486    CABLEONE - CABLE ONE, INC., US
  8551     2733          3277    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2551          3313    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2031          2136    MEGAPATH5-US - MegaPath Corporation, US
 11830     2029          2683    Instituto Costarricense de Electricidad y Telec
 30036     1868          2122    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2089    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1613      2:897       4:23        5:2787      6:43        7:1      
   8:1174     12:1869     13:314      14:1866     15:37       16:2      
  17:219      18:59       20:49       23:2597     24:2461     25:2      
  27:2562     31:2044     32:92       35:35       36:832      37:3010   
  38:1609     39:288      40:122      41:3125     42:726      43:2001   
  44:139      45:6534     46:3214     47:248      49:1331     50:1087   
  51:321      52:1072     54:360      55:1        56:6        57:41     
  58:1716     59:1055     60:481      61:2076     62:2208     63:1807   
  64:5093     65:2199     66:4829     67:2685     68:1158     69:3476   
  70:1151     71:604      72:2287     74:2757     75:418      76:543    
  77:1727     78:1755     79:2313     80:1645     81:1432     82:1101   
  83:905      84:1084     85:2137     86:556      87:1550     88:985    
  89:2420     90:211      91:6559     92:1241     93:2433     94:2497   
  95:3215     96:917      97:349      98:941      99:169     100:87     
 101:1226    102:364     103:19892   104:3555    105:246     106:879    
 107:1816    108:695     109:3656    110:1649    111:1870    112:1404   
 113:1405    114:1150    115:1724    116:1653    117:1918    118:2186   
 119:1642    120:1044    121:1027    122:2359    123:1641    124:1408   
 125:1950    128:1227    129:677     130:523     131:1639    132:718    
 133:218     134:1047    135:230     136:547     137:680     138:1948   
 139:820     140:570     141:791     142:802     143:995     144:900    
 145:504     146:1248    147:798     148:1715    149:801     150:780    
 151:987     152:982     153:324     154:2420    155:966     156:1644   
 157:894     158:656     159:1907    160:1497    161:918     162:2672   
 163:771     164:1122    165:1574    166:438     167:1377    168:3259   
 169:870     170:4010    171:500     172:1071    173:2171    174:999    
 175:876     176:2299    177:4041    178:2564    179:1292    180:2088   
 181:2442    182:2688    183:1060    184:1142    185:14630   186:3701   
 187:2434    188:2955    189:2038    190:8354    191:1420    192:10058  
 193:6528    194:5338    195:4039    196:2926    197:1732    198:5719   
 199:5963    200:7325    201:5058    202:10143   203:10133   204:4616   
 205:3006    206:3303    207:3271    208:3948    209:4232    210:3925   
 211:1985    212:3056    213:2843    214:1081    215:52      216:5985   
 217:2193    218:916     219:573     220:1842    221:994     222:980    
 223:1432   

End of report


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