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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 12 Oct, 2019

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

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

BGP routing table entries examined:                              777809
    Prefixes after maximum aggregation (per Origin AS):          297091
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      374612
Total ASes present in the Internet Routing Table:                 65830
    Prefixes per ASN:                                             11.82
Origin-only ASes present in the Internet Routing Table:           56598
Origin ASes announcing only one prefix:                           24228
Transit ASes present in the Internet Routing Table:                9232
Transit-only ASes present in the Internet Routing Table:            278
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      44
    Max AS path prepend of ASN ( 27978)                              31
Prefixes from unregistered ASNs in the Routing Table:                26
    Number of instances of unregistered ASNs:                        26
Number of 32-bit ASNs allocated by the RIRs:                      29021
Number of 32-bit ASNs visible in the Routing Table:               23771
Prefixes from 32-bit ASNs in the Routing Table:                  108141
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            390
Number of addresses announced to Internet:                   2841790080
    Equivalent to 169 /8s, 98 /16s and 70 /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:               99.4
Total number of prefixes smaller than registry allocations:      259262

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

Prefixes being announced by APNIC Region ASes:                   208984
    Total APNIC prefixes after maximum aggregation:               60980
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203440
    Unique aggregates announced from the APNIC address blocks:    85088
APNIC Region origin ASes present in the Internet Routing Table:   10088
    APNIC Prefixes per ASN:                                       20.17
APNIC Region origin ASes announcing only one prefix:               2809
APNIC Region transit ASes present in the Internet Routing Table:   1506
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:   5110
Number of APNIC addresses announced to Internet:              770945664
    Equivalent to 45 /8s, 243 /16s and 178 /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:                    228800
    Total ARIN prefixes after maximum aggregation:               106664
    ARIN Deaggregation factor:                                     2.15
Prefixes being announced from the ARIN address blocks:           226991
    Unique aggregates announced from the ARIN address blocks:    108048
ARIN Region origin ASes present in the Internet Routing Table:    18601
    ARIN Prefixes per ASN:                                        12.20
ARIN Region origin ASes announcing only one prefix:                6885
ARIN Region transit ASes present in the Internet Routing Table:    1917
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2956
Number of ARIN addresses announced to Internet:              1068638080
    Equivalent to 63 /8s, 178 /16s and 31 /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:                    218169
    Total RIPE prefixes after maximum aggregation:               101809
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           214353
    Unique aggregates announced from the RIPE address blocks:    126612
RIPE Region origin ASes present in the Internet Routing Table:    26531
    RIPE Prefixes per ASN:                                         8.08
RIPE Region origin ASes announcing only one prefix:               11689
RIPE Region transit ASes present in the Internet Routing Table:    3756
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:    8560
Number of RIPE addresses announced to Internet:               722265728
    Equivalent to 43 /8s, 12 /16s and 230 /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:                  100334
    Total LACNIC prefixes after maximum aggregation:              23268
    LACNIC Deaggregation factor:                                   4.31
Prefixes being announced from the LACNIC address blocks:         101527
    Unique aggregates announced from the LACNIC address blocks:   44908
LACNIC Region origin ASes present in the Internet Routing Table:   8981
    LACNIC Prefixes per ASN:                                      11.30
LACNIC Region origin ASes announcing only one prefix:              2373
LACNIC Region transit ASes present in the Internet Routing Table:  1673
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        44
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6527
Number of LACNIC addresses announced to Internet:             173939712
    Equivalent to 10 /8s, 94 /16s and 28 /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:                  21495
    Total AfriNIC prefixes after maximum aggregation:              4349
    AfriNIC Deaggregation factor:                                  4.94
Prefixes being announced from the AfriNIC address blocks:         31108
    Unique aggregates announced from the AfriNIC address blocks:   9621
AfriNIC Region origin ASes present in the Internet Routing Table:  1335
    AfriNIC Prefixes per ASN:                                     23.30
AfriNIC Region origin ASes announcing only one prefix:              472
AfriNIC Region transit ASes present in the Internet Routing Table:  261
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:  618
Number of AfriNIC addresses announced to Internet:            105673216
    Equivalent to 6 /8s, 76 /16s and 114 /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         5018        620     594  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         3831       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3231       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899         3074       1767     112  VNPT-AS-VN VNPT Corp, VN
  9829         2734       1493     546  BSNL-NIB National Internet Backbone, IN
  7713         2625        801     487  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2607       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2556      11123     766  KIXS-AS-KR Korea Telecom, KR
  9498         2190        432     208  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2145        442     197  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         4056        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3741        246     704  CABLEONE - CABLE ONE, INC., US
 22773         3480       2973     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3412       1324      93  SHAW - Shaw Communications Inc., CA
 16509         3208       7157    1546  AMAZON-02 - Amazon.com, Inc., US
 16625         2829       1490    2031  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2224        353     132  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2150       2770     524  CHARTER-20115 - Charter Communications,
 18566         2078        405     104  MEGAPATH5-US - MegaPath Corporation, US
  5650         2061       3073    1454  FRONTIER-FRTR - Frontier 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         5570       1617     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         3114        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2763        483    1936  AKAMAI-ASN1, US
 31334         2619        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2399       2232     690  ROSTELECOM-AS, RU
  9121         2223       1692      18  TTNET, TR
 34984         2158        350     535  TELLCOM-AS, TR
  9009         1848        199    1012  M247, GB
 13188         1604        100      47  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         6257       3349     587  Uninet S.A. de C.V., MX
 10620         3362        534     453  Telmex Colombia S.A., CO
 11830         2696        370      54  Instituto Costarricense de Electricidad
  6503         1632        378     405  Axtel, S.A.B. de C.V., MX
  7303         1476       1023     278  Telecom Argentina S.A., AR
 28573         1181       2231     197  CLARO S.A., BR
  6147         1095        380      37  Telefonica del Peru S.A.A., PE
 13999         1080        488     255  Mega Cable, S.A. de C.V., MX
  3816         1063        548     127  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          931        110      59  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         1163        394      24  LINKdotNET-AS, EG
 36992          985       1535      73  ETISALAT-MISR, EG
 24835          899        618      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          672       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          529         68      11  ORANGE-COTE-IVOIRE, CI
 15399          415         45      10  WANANCHI-, KE
 37342          402         32       1  MOVITEL, MZ
 23889          365        231      15  MauritiusTelecom, MU

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

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         6257       3349     587  Uninet S.A. de C.V., MX
 12479         5570       1617     135  UNI2-AS, ES
  7545         5018        620     594  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4056        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  4538         3831       4192      74  ERX-CERNET-BKB China Education and Rese
 11492         3741        246     704  CABLEONE - CABLE ONE, INC., US
 22773         3480       2973     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3412       1324      93  SHAW - Shaw Communications Inc., CA
 10620         3362        534     453  Telmex Colombia S.A., CO

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       5570         5435   UNI2-AS, ES
  7545       5018         4424   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4056         4029   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
  4538       3831         3757   ERX-CERNET-BKB China Education and Research Net
 22773       3480         3323   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327       3412         3319   SHAW - Shaw Communications Inc., CA
  7552       3231         3205   VIETEL-AS-AP Viettel Group, VN
  8551       3114         3068   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492       3741         3037   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
 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
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
  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&

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
41.67.192.0/18       15964    CAMNET-AS, CM
41.67.192.0/24       15964    CAMNET-AS, CM
41.67.200.0/24       15964    CAMNET-AS, CM
41.67.201.0/24       15964    CAMNET-AS, CM
41.67.202.0/24       15964    CAMNET-AS, CM

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     /12:291     
/13:572     /14:1148    /15:1925    /16:13231   /17:8080    /18:13960   
/19:25701   /20:40423   /21:47463   /22:97094   /23:78687   /24:447972  
/25:1103    /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     4531          5570    UNI2-AS, ES
  6327     3199          3412    SHAW - Shaw Communications Inc., CA
  7155     3148          4056    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 11492     2914          3741    CABLEONE - CABLE ONE, INC., US
 22773     2703          3480    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2573          3114    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 31334     2475          2619    KABELDEUTSCHLAND-AS, DE
 11830     2043          2696    Instituto Costarricense de Electricidad y Telec
  8151     1978          6257    Uninet S.A. de C.V., MX

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

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

   1:1540      2:1108      3:6         4:21        5:3085      6:49     
   7:1         8:1361      9:1        12:1795     13:426      14:2129   
  15:49       16:7        17:272      18:78       20:56       23:2963   
  24:2597     25:4        27:2477     31:2742     32:108      35:37     
  36:920      37:3146     38:1814     39:305      40:126      41:3398   
  42:641      43:2095     44:179      45:11503    46:3347     47:268    
  49:1434     50:1117     51:348      52:1064     54:263      55:689    
  56:6        57:48       58:2034     59:1112     60:616      61:2226   
  62:2104     63:1873     64:5013     65:2267     66:4807     67:2732   
  68:1223     69:3590     70:1393     71:671      72:2707     74:2689   
  75:1290     76:596      77:2570     78:2014     79:2323     80:1824   
  81:1526     82:1188     83:924      84:1193     85:2391     86:567    
  87:1597     88:1142     89:2582     90:234      91:6657     92:1443   
  93:2467     94:2615     95:3700     96:959      97:339      98:967    
  99:833     100:82      101:1094    102:695     103:22364   104:3637   
 105:327     106:828     107:1811    108:682     109:3615    110:1793   
 111:2036    112:1554    113:1380    114:1298    115:1804    116:1804   
 117:1956    118:2166    119:1658    120:1096    121:1053    122:2315   
 123:1848    124:1532    125:2003    128:1392    129:869     130:539    
 131:1808    132:757     133:241     134:1103    135:258     136:607    
 137:817     138:2117    139:954     140:663     141:890     142:793    
 143:1083    144:895     145:288     146:1423    147:900     148:1836   
 149:1032    150:826     151:1269    152:1413    153:361     154:4455   
 155:887     156:2679    157:1060    158:704     159:1940    160:1627   
 161:1002    162:3009    163:848     164:1303    165:1161    166:524    
 167:1442    168:3563    169:484     170:4219    171:703     172:1760   
 173:2290    174:1035    175:999     176:2530    177:4046    178:2768   
 179:1407    180:2150    181:2370    182:2810    183:1155    184:2285   
 185:15581   186:3761    187:2533    188:3417    189:2064    190:8296   
 191:1450    192:10090   193:6787    194:5552    195:4206    196:3155   
 197:1819    198:6055    199:5966    200:7179    201:5204    202:10445  
 203:10222   204:4574    205:3082    206:3229    207:3273    208:3956   
 209:4312    210:3926    211:2048    212:3297    213:2975    214:1147   
 215:54      216:5867    217:2265    218:881     219:604     220:1927   
 221:972     222:1000    223:1400   

End of report