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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 07 Dec, 2019

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

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

BGP routing table entries examined:                              786402
    Prefixes after maximum aggregation (per Origin AS):          299700
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      379353
Total ASes present in the Internet Routing Table:                 66387
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           57073
Origin ASes announcing only one prefix:                           24314
Transit ASes present in the Internet Routing Table:                9314
Transit-only ASes present in the Internet Routing Table:            280
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      34
    Max AS path prepend of ASN (  8697)                              27
Prefixes from unregistered ASNs in the Routing Table:                37
    Number of instances of unregistered ASNs:                        37
Number of 32-bit ASNs allocated by the RIRs:                      29818
Number of 32-bit ASNs visible in the Routing Table:               24419
Prefixes from 32-bit ASNs in the Routing Table:                  111748
Number of bogon 32-bit ASNs visible in the Routing Table:            13
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            299
Number of addresses announced to Internet:                   2848342528
    Equivalent to 169 /8s, 198 /16s and 66 /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:               99.4
Total number of prefixes smaller than registry allocations:      262844

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

Prefixes being announced by APNIC Region ASes:                   209658
    Total APNIC prefixes after maximum aggregation:               61192
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203735
    Unique aggregates announced from the APNIC address blocks:    85025
APNIC Region origin ASes present in the Internet Routing Table:   10212
    APNIC Prefixes per ASN:                                       19.95
APNIC Region origin ASes announcing only one prefix:               2838
APNIC Region transit ASes present in the Internet Routing Table:   1524
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5237
Number of APNIC addresses announced to Internet:              772498816
    Equivalent to 46 /8s, 11 /16s and 101 /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:                    231045
    Total ARIN prefixes after maximum aggregation:               107155
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           228353
    Unique aggregates announced from the ARIN address blocks:    109316
ARIN Region origin ASes present in the Internet Routing Table:    18651
    ARIN Prefixes per ASN:                                        12.24
ARIN Region origin ASes announcing only one prefix:                6931
ARIN Region transit ASes present in the Internet Routing Table:    1914
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:    3042
Number of ARIN addresses announced to Internet:              1072398080
    Equivalent to 63 /8s, 235 /16s and 127 /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:                    221483
    Total RIPE prefixes after maximum aggregation:               103546
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           218381
    Unique aggregates announced from the RIPE address blocks:    129300
RIPE Region origin ASes present in the Internet Routing Table:    26693
    RIPE Prefixes per ASN:                                         8.18
RIPE Region origin ASes announcing only one prefix:               11693
RIPE Region transit ASes present in the Internet Routing Table:    3751
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8763
Number of RIPE addresses announced to Internet:               723573120
    Equivalent to 43 /8s, 32 /16s and 217 /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:                  102186
    Total LACNIC prefixes after maximum aggregation:              23346
    LACNIC Deaggregation factor:                                   4.38
Prefixes being announced from the LACNIC address blocks:         103294
    Unique aggregates announced from the LACNIC address blocks:   45068
LACNIC Region origin ASes present in the Internet Routing Table:   9174
    LACNIC Prefixes per ASN:                                      11.26
LACNIC Region origin ASes announcing only one prefix:              2373
LACNIC Region transit ASes present in the Internet Routing Table:  1730
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6735
Number of LACNIC addresses announced to Internet:             173884928
    Equivalent to 10 /8s, 93 /16s and 70 /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:                  21992
    Total AfriNIC prefixes after maximum aggregation:              4434
    AfriNIC Deaggregation factor:                                  4.96
Prefixes being announced from the AfriNIC address blocks:         32340
    Unique aggregates announced from the AfriNIC address blocks:  10394
AfriNIC Region origin ASes present in the Internet Routing Table:  1360
    AfriNIC Prefixes per ASN:                                     23.78
AfriNIC Region origin ASes announcing only one prefix:              479
AfriNIC Region transit ASes present in the Internet Routing Table:  273
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  642
Number of AfriNIC addresses announced to Internet:            105689856
    Equivalent to 6 /8s, 76 /16s and 179 /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         5145        635     595  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4683       4192      73  ERX-CERNET-BKB China Education and Rese
  7552         3280       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899         3103       1780     114  VNPT-AS-VN VNPT Corp, VN
  7713         2702        798     487  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9829         2667       1495     530  BSNL-NIB National Internet Backbone, IN
  9808         2622       9043      62  CMNET-GD Guangdong Mobile Communication
  4766         2391      11112     670  KIXS-AS-KR Korea Telecom, KR
  9498         2212        433     213  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2151        442     195  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         4055        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3836        252     654  CABLEONE - CABLE ONE, INC., US
 16509         3756       7444    1669  AMAZON-02 - Amazon.com, Inc., US
 22773         3501       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3366       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2949       1547    2112  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2268        356     103  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2168       5075     536  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 20115         2133       2769     517  CHARTER-20115 - Charter Communications,
 18566         2064        405     103  MEGAPATH5-US - MegaPath Corporation, 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         5784       1635     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 31334         3333        484      13  KABELDEUTSCHLAND-AS, DE
  8551         3100        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2788        465    1950  AKAMAI-ASN1, US
 12389         2461       2234     710  ROSTELECOM-AS, RU
 34984         2155        350     542  TELLCOM-AS, TR
  9009         1987        214    1088  M247, GB
  9121         1947       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         6138       3283     609  Uninet S.A. de C.V., MX
 10620         3359        533     467  Telmex Colombia S.A., CO
 11830         2685        369      63  Instituto Costarricense de Electricidad
  6503         1680        323     390  Axtel, S.A.B. de C.V., MX
  7303         1480       1026     267  Telecom Argentina S.A., AR
 28573         1207       2232     199  CLARO S.A., BR
 13999         1143        495     265  Mega Cable, S.A. de C.V., MX
  3816         1122        560     134  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147         1104        380      36  Telefonica del Peru S.A.A., PE
 11172          938        111      62  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         1227        393      23  LINKdotNET-AS, EG
 36992         1033       1535      73  ETISALAT-MISR, EG
 24835          979        570      24  RAYA-AS, EG
 36903          868        438      98  MT-MPLS, MA
  8452          685       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          558         68      11  ORANGE-COTE-IVOIRE, CI
 37342          482         32       1  MOVITEL, MZ
 15399          375         45      10  WANANCHI-, KE
 36935          355        522      41  Vodafone-, EG

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         6138       3283     609  Uninet S.A. de C.V., MX
 12479         5784       1635     135  UNI2-AS, ES
  7545         5145        635     595  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4683       4192      73  ERX-CERNET-BKB China Education and Rese
  7155         4055        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3836        252     654  CABLEONE - CABLE ONE, INC., US
 16509         3756       7444    1669  AMAZON-02 - Amazon.com, Inc., US
 22773         3501       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3366       1324      93  SHAW - Shaw Communications Inc., CA

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       5784         5649   UNI2-AS, ES
  4538       4683         4610   ERX-CERNET-BKB China Education and Research Net
  7545       5145         4550   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4055         4028   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 22773       3501         3345   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334       3333         3320   KABELDEUTSCHLAND-AS, DE
  6327       3366         3273   SHAW - Shaw Communications Inc., CA
  7552       3280         3254   VIETEL-AS-AP Viettel Group, VN
 11492       3836         3182   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
 267874   UNALLOCATED  45.175.152.0/22      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.152.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.153.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.154.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.155.0/24      52361       ARSAT - Empresa Argentina de S
 260984   UNALLOCATED  45.175.186.0/23      16735       ALGAR TELECOM S/A, BR
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65595   UNALLOCATED  46.234.9.0/24        15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR

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

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

Network            Origin AS  Description
23.136.224.0/24      15206    6X7 - 6x7 Networks LLC, ZZ
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
31.217.248.0/23     209372    IPMEN, GB
31.217.250.0/23     209372    IPMEN, GB
31.217.252.0/23     209372    IPMEN, GB
31.217.254.0/23     209372    IPMEN, GB
37.77.148.0/23      209372    IPMEN, GB

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      /10:38      /11:100     /12:290     
/13:581     /14:1164    /15:1926    /16:13354   /17:8092    /18:13857   
/19:25673   /20:40292   /21:47431   /22:98101   /23:79919   /24:454247  
/25:1316    /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     4740          5784    UNI2-AS, ES
 31334     3178          3333    KABELDEUTSCHLAND-AS, DE
  6327     3154          3366    SHAW - Shaw Communications Inc., CA
  7155     3147          4055    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492     2989          3836    CABLEONE - CABLE ONE, INC., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 22773     2721          3501    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2559          3100    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2033          2685    Instituto Costarricense de Electricidad y Telec
 30036     2018          2268    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi

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

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

   1:1533      2:1147      3:12        4:19        5:3167      6:48     
   8:1362      9:1        12:1795     13:472      14:2175     15:54     
  16:9        17:278      18:79       20:56       23:3136     24:2608   
  25:4        27:2500     31:2783     32:105      35:37       36:929    
  37:3210     38:1793     39:317      40:133      41:3344     42:849    
  43:2120     44:188      45:12417    46:3244     47:271      49:1420   
  50:1135     51:344      52:1128     54:270      55:671      56:6      
  57:47       58:1898     59:1114     60:658      61:2218     62:2125   
  63:1919     64:5006     65:2302     66:4779     67:2809     68:1225   
  69:3625     70:1394     71:671      72:2748     74:2691     75:1423   
  76:670      77:2526     78:1973     79:2341     80:1829     81:1531   
  82:1190     83:981      84:1211     85:2468     86:580      87:1635   
  88:1053     89:2608     90:260      91:7424     92:1449     93:2437   
  94:2591     95:3711     96:938      97:339      98:959      99:963    
 100:85      101:1097    102:702     103:22798   104:3609    105:370    
 106:836     107:1855    108:689     109:3625    110:1769    111:1934   
 112:1565    113:1380    114:1451    115:1815    116:1794    117:2011   
 118:2069    119:1677    120:888     121:1038    122:2318    123:1871   
 124:1568    125:2010    128:1403    129:902     130:576     131:1823   
 132:765     133:254     134:1263    135:273     136:593     137:847    
 138:2175    139:975     140:654     141:850     142:815     143:1102   
 144:938     145:289     146:1454    147:994     148:1890    149:1037   
 150:838     151:1282    152:1450    153:369     154:4408    155:892    
 156:2947    157:1065    158:719     159:1939    160:1670    161:1046   
 162:3023    163:868     164:1292    165:1198    166:536     167:1460   
 168:3587    169:488     170:4205    171:706     172:1843    173:2333   
 174:1034    175:1000    176:2706    177:4238    178:2818    179:1406   
 180:2180    181:2380    182:2824    183:1107    184:2307    185:15837  
 186:3770    187:2545    188:3449    189:2046    190:8336    191:1508   
 192:10156   193:7187    194:5753    195:4214    196:3306    197:1949   
 198:6075    199:5930    200:7177    201:5162    202:10420   203:10215  
 204:4565    205:3081    206:3264    207:3241    208:3997    209:4331   
 210:3983    211:1994    212:3310    213:3015    214:1121    215:52     
 216:5860    217:2306    218:901     219:612     220:1962    221:943    
 222:973     223:1353   

End of report