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[apops] Weekly Routing Table Report



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@lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 09 Mar, 2019

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

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

BGP routing table entries examined:                              740306
    Prefixes after maximum aggregation (per Origin AS):          285904
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      356243
Total ASes present in the Internet Routing Table:                 63449
    Prefixes per ASN:                                             11.67
Origin-only ASes present in the Internet Routing Table:           54648
Origin ASes announcing only one prefix:                           23590
Transit ASes present in the Internet Routing Table:                8801
Transit-only ASes present in the Internet Routing Table:            271
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        31
Number of 32-bit ASNs allocated by the RIRs:                      26062
Number of 32-bit ASNs visible in the Routing Table:               21215
Prefixes from 32-bit ASNs in the Routing Table:                   92922
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            255
Number of addresses announced to Internet:                   2842211683
    Equivalent to 169 /8s, 104 /16s and 181 /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:               99.2
Total number of prefixes smaller than registry allocations:      248230

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

Prefixes being announced by APNIC Region ASes:                   201454
    Total APNIC prefixes after maximum aggregation:               57939
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          198125
    Unique aggregates announced from the APNIC address blocks:    81878
APNIC Region origin ASes present in the Internet Routing Table:    9526
    APNIC Prefixes per ASN:                                       20.80
APNIC Region origin ASes announcing only one prefix:               2681
APNIC Region transit ASes present in the Internet Routing Table:   1405
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4521
Number of APNIC addresses announced to Internet:              769392130
    Equivalent to 45 /8s, 219 /16s and 254 /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:                    218861
    Total ARIN prefixes after maximum aggregation:               103735
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           217916
    Unique aggregates announced from the ARIN address blocks:    104509
ARIN Region origin ASes present in the Internet Routing Table:    18393
    ARIN Prefixes per ASN:                                        11.85
ARIN Region origin ASes announcing only one prefix:                6841
ARIN Region transit ASes present in the Internet Routing Table:    1867
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2597
Number of ARIN addresses announced to Internet:              1079341472
    Equivalent to 64 /8s, 85 /16s and 113 /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:                    203693
    Total RIPE prefixes after maximum aggregation:                97183
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           200075
    Unique aggregates announced from the RIPE address blocks:    118662
RIPE Region origin ASes present in the Internet Routing Table:    25857
    RIPE Prefixes per ASN:                                         7.74
RIPE Region origin ASes announcing only one prefix:               11479
RIPE Region transit ASes present in the Internet Routing Table:    3655
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7881
Number of RIPE addresses announced to Internet:               717789120
    Equivalent to 42 /8s, 200 /16s and 151 /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:                   95556
    Total LACNIC prefixes after maximum aggregation:              22755
    LACNIC Deaggregation factor:                                   4.20
Prefixes being announced from the LACNIC address blocks:          96878
    Unique aggregates announced from the LACNIC address blocks:   41670
LACNIC Region origin ASes present in the Internet Routing Table:   8131
    LACNIC Prefixes per ASN:                                      11.91
LACNIC Region origin ASes announcing only one prefix:              2163
LACNIC Region transit ASes present in the Internet Routing Table:  1518
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5691
Number of LACNIC addresses announced to Internet:             171980544
    Equivalent to 10 /8s, 64 /16s and 55 /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:                  20713
    Total AfriNIC prefixes after maximum aggregation:              4270
    AfriNIC Deaggregation factor:                                  4.85
Prefixes being announced from the AfriNIC address blocks:         27057
    Unique aggregates announced from the AfriNIC address blocks:   9296
AfriNIC Region origin ASes present in the Internet Routing Table:  1252
    AfriNIC Prefixes per ASN:                                     21.61
AfriNIC Region origin ASes announcing only one prefix:              426
AfriNIC Region transit ASes present in the Internet Routing Table:  248
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  525
Number of AfriNIC addresses announced to Internet:            103444224
    Equivalent to 6 /8s, 42 /16s and 111 /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
  7545         4662        542     544  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4657       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3096       1240      49  VIETEL-AS-AP Viettel Group, VN
 45899         3039       1737     111  VNPT-AS-VN VNPT Corp, VN
  4766         2814      11125     767  KIXS-AS-KR Korea Telecom, KR
  9829         2751       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2431       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2345       4906      29  CTTNET China TieTong Telecommunications
  4755         2141        422     179  TATACOMM-AS TATA Communications formerl
  9498         2012        426     162  BBIL-AP BHARTI Airtel Ltd., IN

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         3619       1326      93  SHAW - Shaw Communications Inc., CA
 11492         3531        228     607  CABLEONE - CABLE ONE, INC., US
 22773         3363       2976     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2503       5371    1061  AMAZON-02 - Amazon.com, Inc., US
 16625         2288       1272    1756  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2148       2740     537  CHARTER-20115 - Charter Communications,
 18566         2119        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2118        351     178  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2093       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2081       5094     582  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         5379       1628     138  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3289        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2646        547    1920  AKAMAI-ASN1, US
 12389         2227       2221     637  ROSTELECOM-AS, RU
 34984         2060        340     536  TELLCOM-AS, TR
  9121         1682       1693      19  TTNET, TR
 13188         1604        100      46  TRIOLAN, UA
  9009         1372        146     757  M247, GB
  8402         1304        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         5600       3331     598  Uninet S.A. de C.V., MX
 10620         2769        414    1053  Telmex Colombia S.A., CO
 11830         2703        384      34  Instituto Costarricense de Electricidad
  6503         1517        433      54  Axtel, S.A.B. de C.V., MX
  7303         1432        965     233  Telecom Argentina S.A., AR
 28573         1287       2247     181  CLARO S.A., BR
  6147         1276        377      29  Telefonica del Peru S.A.A., PE
  3816         1022        505     113  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999          937        518     246  Mega Cable, S.A. de C.V., MX
 11172          932        144      66  Alestra, S. de R.L. de C.V., MX

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         1207        393      21  LINKdotNET-AS, EG
 37611          915        107       9  Afrihost, ZA
 24835          848        636      22  RAYA-AS, EG
 36903          827        416     125  MT-MPLS, MA
 36992          817       1535      60  ETISALAT-MISR, EG
  8452          701       1731      20  TE-AS TE-AS, EG
 29571          485         70      13  ORANGE-COTE-IVOIRE, CI
 37492          470        470      57  ORANGE-, TN
 15399          428         45      11  WANANCHI-, KE
 37342          420         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         5600       3331     598  Uninet S.A. de C.V., MX
 12479         5379       1628     138  UNI2-AS, ES
  7545         4662        542     544  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4657       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3619       1326      93  SHAW - Shaw Communications Inc., CA
 11492         3531        228     607  CABLEONE - CABLE ONE, INC., US
 22773         3363       2976     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3289        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  7552         3096       1240      49  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       5379         5241   UNI2-AS, ES
  4538       4657         4583   ERX-CERNET-BKB China Education and Research Net
  7545       4662         4118   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3619         3526   SHAW - Shaw Communications Inc., CA
  8551       3289         3245   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773       3363         3199   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3096         3047   VIETEL-AS-AP Viettel Group, VN
 45899       3039         2928   VNPT-AS-VN VNPT Corp, VN
 11492       3531         2924   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
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
1358592   UNALLOCATED  103.134.14.0/23      63956       COLO-AS-AP Colocation Australi
1358592   UNALLOCATED  103.134.15.0/24      63956       COLO-AS-AP Colocation Australi
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
 224413   UNALLOCATED  131.221.136.0/24    264413       Conecta Telecom Ltda, BR
  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

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
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
41.220.48.0/20       36900    -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      /11:100     /12:291     
/13:567     /14:1135    /15:1907    /16:13350   /17:7927    /18:13900   
/19:25551   /20:39894   /21:46168   /22:92576   /23:75521   /24:418423  
/25:957     /26:840     /27:896     /28:27      /29:7       /30:14      
/31:0       /32:197     

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

   ASN   No of nets  Total ann.  Description
 12479     4260          5379    UNI2-AS, ES
  6327     3391          3619    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2773          3531    CABLEONE - CABLE ONE, INC., US
  8551     2744          3289    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2604          3363    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 11830     2048          2703    Instituto Costarricense de Electricidad y Telec
 18566     2014          2119    MEGAPATH5-US - MegaPath Corporation, US
 30036     1865          2118    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2093    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)
----------------------------------------------

   1:1607      2:888       4:22        5:2763      6:45        7:1      
   8:1183     11:3        12:1859     13:313      14:1924     15:39     
  16:4        17:233      18:59       20:49       23:2596     24:2521   
  25:2        27:2538     31:2068     32:97       35:36       36:833    
  37:3013     38:1689     39:295      40:120      41:3175     42:746    
  43:2002     44:143      45:6902     46:3224     47:251      49:1362   
  50:1098     51:322      52:1024     54:289      55:2        56:9      
  57:40       58:1713     59:1074     60:497      61:2069     62:1988   
  63:1815     64:4994     65:2202     66:4824     67:2706     68:1152   
  69:3544     70:1329     71:601      72:2425     74:2762     75:515    
  76:546      77:1711     78:1762     79:2331     80:1768     81:1496   
  82:1128     83:870      84:1098     85:2241     86:539      87:1551   
  88:1034     89:2431     90:210      91:6579     92:1261     93:2442   
  94:2520     95:3208     96:918      97:346      98:947      99:206    
 100:88      101:1157    102:453     103:20213   104:3528    105:247    
 106:890     107:1766    108:699     109:3723    110:1632    111:1867   
 112:1410    113:1418    114:1134    115:1721    116:1712    117:1876   
 118:2155    119:1624    120:1023    121:1034    122:2294    123:1643   
 124:1450    125:1965    128:1254    129:822     130:525     131:1633   
 132:733     133:218     134:1050    135:241     136:559     137:706    
 138:1995    139:848     140:579     141:844     142:800     143:1070   
 144:837     145:510     146:1261    147:793     148:1695    149:816    
 150:777     151:1010    152:1018    153:323     154:2898    155:894    
 156:1735    157:919     158:666     159:1894    160:1523    161:911    
 162:2680    163:791     164:1127    165:1577    166:428     167:1391   
 168:3210    169:861     170:4002    171:565     172:1108    173:2174   
 174:1015    175:893     176:2328    177:4048    178:2544    179:1368   
 180:2126    181:2398    182:2679    183:1069    184:1174    185:14837  
 186:3746    187:2418    188:2890    189:1973    190:8293    191:1394   
 192:10031   193:6622    194:5392    195:4057    196:2994    197:1648   
 198:5820    199:5965    200:7127    201:5081    202:10235   203:10202  
 204:4598    205:3006    206:3237    207:3289    208:3966    209:4237   
 210:3932    211:1994    212:3069    213:2889    214:1087    215:53     
 216:5959    217:2233    218:921     219:581     220:1864    221:966    
 222:999     223:1441   

End of report