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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 11 Jan, 2020

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

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

BGP routing table entries examined:                              790303
    Prefixes after maximum aggregation (per Origin AS):          301303
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      387237
Total ASes present in the Internet Routing Table:                 66697
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           57317
Origin ASes announcing only one prefix:                           24152
Transit ASes present in the Internet Routing Table:                9380
Transit-only ASes present in the Internet Routing Table:            287
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 53176)                              31
Prefixes from unregistered ASNs in the Routing Table:              1315
    Number of instances of unregistered ASNs:                      1315
Number of 32-bit ASNs allocated by the RIRs:                      30092
Number of 32-bit ASNs visible in the Routing Table:               24770
Prefixes from 32-bit ASNs in the Routing Table:                  113435
Number of bogon 32-bit ASNs visible in the Routing Table:            28
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            286
Number of addresses announced to Internet:                   2847780736
    Equivalent to 169 /8s, 189 /16s and 175 /24s
    Percentage of available address space announced:               76.9
    Percentage of allocated address space announced:               76.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      264109

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

Prefixes being announced by APNIC Region ASes:                   210100
    Total APNIC prefixes after maximum aggregation:               61199
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          204045
    Unique aggregates announced from the APNIC address blocks:    84755
APNIC Region origin ASes present in the Internet Routing Table:   10283
    APNIC Prefixes per ASN:                                       19.84
APNIC Region origin ASes announcing only one prefix:               2853
APNIC Region transit ASes present in the Internet Routing Table:   1539
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5331
Number of APNIC addresses announced to Internet:              767768576
    Equivalent to 45 /8s, 195 /16s and 56 /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, 131072-141625
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:                    232149
    Total ARIN prefixes after maximum aggregation:               107382
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           230024
    Unique aggregates announced from the ARIN address blocks:    116424
ARIN Region origin ASes present in the Internet Routing Table:    18359
    ARIN Prefixes per ASN:                                        12.53
ARIN Region origin ASes announcing only one prefix:                6753
ARIN Region transit ASes present in the Internet Routing Table:    1909
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3107
Number of ARIN addresses announced to Internet:              1073968896
    Equivalent to 64 /8s, 3 /16s and 119 /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,  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:                    222893
    Total RIPE prefixes after maximum aggregation:               103913
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           219372
    Unique aggregates announced from the RIPE address blocks:    130001
RIPE Region origin ASes present in the Internet Routing Table:    26734
    RIPE Prefixes per ASN:                                         8.21
RIPE Region origin ASes announcing only one prefix:               11691
RIPE Region transit ASes present in the Internet Routing Table:    3777
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8821
Number of RIPE addresses announced to Internet:               724122752
    Equivalent to 43 /8s, 41 /16s and 60 /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:                  102379
    Total LACNIC prefixes after maximum aggregation:              23601
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         103553
    Unique aggregates announced from the LACNIC address blocks:   45225
LACNIC Region origin ASes present in the Internet Routing Table:   9289
    LACNIC Prefixes per ASN:                                      11.15
LACNIC Region origin ASes announcing only one prefix:              2372
LACNIC Region transit ASes present in the Internet Routing Table:  1749
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        41
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6862
Number of LACNIC addresses announced to Internet:             173890048
    Equivalent to 10 /8s, 93 /16s and 90 /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:                  21466
    Total AfriNIC prefixes after maximum aggregation:              4419
    AfriNIC Deaggregation factor:                                  4.86
Prefixes being announced from the AfriNIC address blocks:         33023
    Unique aggregates announced from the AfriNIC address blocks:  10601
AfriNIC Region origin ASes present in the Internet Routing Table:  1356
    AfriNIC Prefixes per ASN:                                     24.35
AfriNIC Region origin ASes announcing only one prefix:              483
AfriNIC Region transit ASes present in the Internet Routing Table:  270
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  649
Number of AfriNIC addresses announced to Internet:            107736832
    Equivalent to 6 /8s, 107 /16s and 239 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        5199        642     596  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4619       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3304       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899        3118       1785     107  VNPT-AS-VN VNPT Corp, VN
  7713        2698        814     495  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2620       9043      62  CMNET-GD Guangdong Mobile Communication
  4766        2264      11102     566  KIXS-AS-KR Korea Telecom, KR
  9498        2218        433     212  BBIL-AP BHARTI Airtel Ltd., IN
  9829        2175       1381     260  BSNL-NIB National Internet Backbone, IN
  4755        2139        441     191  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
  7155        4047        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492        3857        254     640  CABLEONE - CABLE ONE, INC., US
 16509        3799       7703    1685  AMAZON-02 - Amazon.com, Inc., US
 22773        3513       2971     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327        3365       1324      93  SHAW - Shaw Communications Inc., CA
 16625        2940       1541    2112  AKAMAI-AS - Akamai Technologies, Inc., 
 30036        2282        358      92  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650        2171       3073    1454  FRONTIER-FRTR - Frontier Communications
   209        2169       5075     539  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 20115        2134       2773     518  CHARTER-20115 - Charter Communications,

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        5824       1631     135  UNI2-AS, ES
 39891        4034        219      19  ALJAWWALSTC-AS, SA
 31334        3374        484      13  KABELDEUTSCHLAND-AS, DE
  8551        3119        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        2820        469    1954  AKAMAI-ASN1, US
 12389        2422       2239     702  ROSTELECOM-AS, RU
 34984        2057        349     557  TELLCOM-AS, TR
  9009        2056        223    1108  M247, GB
  9121        1957       1691      18  TTNET, TR
 13188        1605        100      46  TRIOLAN, 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        6182       3303     608  Uninet S.A. de C.V., MX
 10620        3365        534     463  Telmex Colombia S.A., CO
 11830        2680        369      63  Instituto Costarricense de Electricidad
  6503        1681        323     388  Axtel, S.A.B. de C.V., MX
  7303        1478       1026     265  Telecom Argentina S.A., AR
 28573        1265       2233     208  CLARO S.A., BR
 13999        1153        497     269  Mega Cable, S.A. de C.V., MX
  3816        1119        561     133  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1096        379      39  Telefonica del Peru S.A.A., PE
 11172         944        111      65  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        1239        393      23  LINKdotNET-AS, EG
 24835        1097        566      24  RAYA-AS, EG
 36992        1033       1535      73  ETISALAT-MISR, EG
 36903         876        452      97  MT-MPLS, MA
  6713         622       1863      34  IAM-AS, MA
 29571         559         68      11  ORANGE-COTE-IVOIRE, CI
 37342         483         32       1  MOVITEL, MZ
 36935         372        522      40  Vodafone-, EG
 23889         354        231      15  MauritiusTelecom, MU
 15399         349         45      10  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
  8151        6182       3303     608  Uninet S.A. de C.V., MX
 12479        5824       1631     135  UNI2-AS, ES
  7545        5199        642     596  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4619       4192      73  ERX-CERNET-BKB China Education and Rese
  7155        4047        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891        4034        219      19  ALJAWWALSTC-AS, SA
 11492        3857        254     640  CABLEONE - CABLE ONE, INC., US
 16509        3799       7703    1685  AMAZON-02 - Amazon.com, Inc., US
 22773        3513       2971     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 31334        3374        484      13  KABELDEUTSCHLAND-AS, DE

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5824         5689  UNI2-AS, ES
  7545        5199         4603  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4619         4546  ERX-CERNET-BKB China Education and Research Net
  7155        4047         4020  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891        4034         4015  ALJAWWALSTC-AS, SA
 22773        3513         3361  ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334        3374         3361  KABELDEUTSCHLAND-AS, DE
  7552        3304         3280  VIETEL-AS-AP Viettel Group, VN
  6327        3365         3272  SHAW - Shaw Communications Inc., CA
 11492        3857         3217  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  Net Originated      Transit AS  Transit AS Name
     17076  UNALLOCATED  8.12.244.0/24             3356  LEVEL3 - Level 3 Parent, LLC
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3 - Level 3 Parent, LLC
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174 - Cogent Communic
     62485  UNALLOCATED  8.23.229.0/24             3356  LEVEL3 - Level 3 Parent, LLC
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3 - Level 3 Parent, LLC
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174 - Cogent Communic
     23071  UNALLOCATED  8.33.235.0/24             3356  LEVEL3 - Level 3 Parent, LLC
     27205  UNALLOCATED  8.38.16.0/21              6461  ZAYO-6461 - Zayo Bandwidth, 
     27205  UNALLOCATED  8.38.16.0/22             32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     27205  UNALLOCATED  8.38.20.0/22             32787  PROLEXIC-TECHNOLOGIES-DDOS-M

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE - Hurricane Electric LLC, US

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

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

Unassigned Network     ASN Information  AS Name
23.136.224.0/24      Origin:     15206  UNASSIGNED
                    Transit:       174  COGENT-174 - Cogent Communications, US
23.137.192.0/24      Origin:     31798  CANAD-86-31798 - DataCity, CA
                    Transit:      6939  HURRICANE - Hurricane Electric LLC, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY

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        /8:10       /9:11      /10:37      /11:98      /12:287     
/13:580     /14:1159    /15:1923    /16:13376   /17:8108    /18:13890   
/19:25752   /20:40389   /21:47431   /22:98090   /23:80591   /24:457240  
/25:1331    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        4786        5824  UNI2-AS, ES
 31334        3219        3374  KABELDEUTSCHLAND-AS, DE
  6327        3153        3365  SHAW - Shaw Communications Inc., CA
  7155        3139        4047  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492        3010        3857  CABLEONE - CABLE ONE, INC., US
 39891        2946        4034  ALJAWWALSTC-AS, SA
 22773        2733        3513  ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551        2578        3119  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2031        2282  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830        2028        2680  Instituto Costarricense de Electricidad y Telec

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

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

   1:1530      2:1155      3:12        4:19        5:3227      6:46     
   8:1366      9:1        12:1793     13:495      14:2204     15:58     
  16:9        17:281      18:79       20:58       23:3203     24:2614   
  25:4        27:2516     31:2841     32:101      35:46       36:940    
  37:3190     38:1820     39:314      40:132      41:3297     42:882    
  43:2129     44:185      45:12761    46:3261     47:263      49:1429   
  50:1142     51:344      52:1114     54:275      55:669      56:6      
  57:47       58:1890     59:1115     60:678      61:2218     62:2126   
  63:1927     64:5030     65:2337     66:4821     67:2832     68:1229   
  69:3817     70:1404     71:665      72:2771     74:2720     75:1434   
  76:664      77:2548     78:1972     79:2384     80:1834     81:1552   
  82:1189     83:1005     84:1241     85:2564     86:589      87:1670   
  88:1067     89:2680     90:268      91:7460     92:1453     93:2440   
  94:2597     95:3703     96:1004     97:338      98:961      99:965    
 100:84      101:1078    102:782     103:22899   104:3638    105:375    
 106:830     107:1859    108:693     109:3624    110:1773    111:1936   
 112:1536    113:1375    114:1475    115:1838    116:1802    117:2013   
 118:2109    119:1677    120:890     121:1034    122:2368    123:1886   
 124:1552    125:2017    128:1393    129:917     130:600     131:1852   
 132:773     133:301     134:1258    135:277     136:587     137:880    
 138:2185    139:986     140:592     141:878     142:846     143:1143   
 144:942     145:293     146:1469    147:1003    148:1896    149:1036   
 150:811     151:1249    152:1460    153:371     154:4672    155:907    
 156:3102    157:1086    158:704     159:1945    160:1712    161:1002   
 162:3032    163:770     164:1461    165:1223    166:536     167:1453   
 168:3577    169:495     170:4213    171:739     172:1873    173:2359   
 174:1036    175:1007    176:2632    177:4114    178:2863    179:1422   
 180:2178    181:2384    182:2829    183:1120    184:2402    185:15865  
 186:3783    187:2563    188:3483    189:2067    190:8213    191:1499   
 192:10205   193:7296    194:5917    195:4245    196:3355    197:1847   
 198:6089    199:5939    200:7167    201:5114    202:10436   203:10206  
 204:4558    205:3087    206:3258    207:3248    208:4010    209:4343   
 210:3994    211:1990    212:3234    213:2976    214:1168    215:53     
 216:5927    217:2305    218:895     219:604     220:1975    221:934    
 222:1012    223:1371   

End of report