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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 28 Sep, 2019

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

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

BGP routing table entries examined:                              775589
    Prefixes after maximum aggregation (per Origin AS):          297759
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      373221
Total ASes present in the Internet Routing Table:                 65731
    Prefixes per ASN:                                             11.80
Origin-only ASes present in the Internet Routing Table:           56540
Origin ASes announcing only one prefix:                           24212
Transit ASes present in the Internet Routing Table:                9191
Transit-only ASes present in the Internet Routing Table:            272
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      43
    Max AS path prepend of ASN ( 19955)                              41
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        29
Number of 32-bit ASNs allocated by the RIRs:                      28855
Number of 32-bit ASNs visible in the Routing Table:               23645
Prefixes from 32-bit ASNs in the Routing Table:                  107863
Number of bogon 32-bit ASNs visible in the Routing Table:            18
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            321
Number of addresses announced to Internet:                   2840324352
    Equivalent to 169 /8s, 75 /16s and 233 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    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:      258570

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

Prefixes being announced by APNIC Region ASes:                   209271
    Total APNIC prefixes after maximum aggregation:               62399
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          203840
    Unique aggregates announced from the APNIC address blocks:    85033
APNIC Region origin ASes present in the Internet Routing Table:   10089
    APNIC Prefixes per ASN:                                       20.20
APNIC Region origin ASes announcing only one prefix:               2801
APNIC Region transit ASes present in the Internet Routing Table:   1496
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:   5095
Number of APNIC addresses announced to Internet:              767812352
    Equivalent to 45 /8s, 195 /16s and 227 /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:                    227702
    Total ARIN prefixes after maximum aggregation:               106365
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           226182
    Unique aggregates announced from the ARIN address blocks:    107696
ARIN Region origin ASes present in the Internet Routing Table:    18596
    ARIN Prefixes per ASN:                                        12.16
ARIN Region origin ASes announcing only one prefix:                6887
ARIN Region transit ASes present in the Internet Routing Table:    1922
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          43
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2923
Number of ARIN addresses announced to Internet:              1071049088
    Equivalent to 63 /8s, 214 /16s and 233 /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:                    217466
    Total RIPE prefixes after maximum aggregation:               101391
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           213424
    Unique aggregates announced from the RIPE address blocks:    125790
RIPE Region origin ASes present in the Internet Routing Table:    26497
    RIPE Prefixes per ASN:                                         8.05
RIPE Region origin ASes announcing only one prefix:               11706
RIPE Region transit ASes present in the Internet Routing Table:    3744
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:    8528
Number of RIPE addresses announced to Internet:               721798784
    Equivalent to 43 /8s, 5 /16s and 198 /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:                   99612
    Total LACNIC prefixes after maximum aggregation:              23226
    LACNIC Deaggregation factor:                                   4.29
Prefixes being announced from the LACNIC address blocks:         100817
    Unique aggregates announced from the LACNIC address blocks:   44768
LACNIC Region origin ASes present in the Internet Routing Table:   8930
    LACNIC Prefixes per ASN:                                      11.29
LACNIC Region origin ASes announcing only one prefix:              2352
LACNIC Region transit ASes present in the Internet Routing Table:  1647
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        42
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6485
Number of LACNIC addresses announced to Internet:             173972480
    Equivalent to 10 /8s, 94 /16s and 156 /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:                  21509
    Total AfriNIC prefixes after maximum aggregation:              4356
    AfriNIC Deaggregation factor:                                  4.94
Prefixes being announced from the AfriNIC address blocks:         31005
    Unique aggregates announced from the AfriNIC address blocks:   9646
AfriNIC Region origin ASes present in the Internet Routing Table:  1330
    AfriNIC Prefixes per ASN:                                     23.31
AfriNIC Region origin ASes announcing only one prefix:              466
AfriNIC Region transit ASes present in the Internet Routing Table:  261
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  614
Number of AfriNIC addresses announced to Internet:            105408768
    Equivalent to 6 /8s, 72 /16s and 105 /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         5003        618     593  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3242       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899         3063       1762     114  VNPT-AS-VN VNPT Corp, VN
  9829         2733       1493     546  BSNL-NIB National Internet Backbone, IN
  7713         2624        801     480  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2606       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2549      11121     764  KIXS-AS-KR Korea Telecom, KR
  9498         2183        432     207  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2156        442     197  TATACOMM-AS TATA Communications formerl
  9394         2060       4898      24  CTTNET China TieTong Telecommunications

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         4065        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3653        238     688  CABLEONE - CABLE ONE, INC., US
  6327         3486       1324      94  SHAW - Shaw Communications Inc., CA
 22773         3467       2973     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         3161       7134    1511  AMAZON-02 - Amazon.com, Inc., US
 16625         2756       1447    1992  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2210        351     154  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2149       2766     524  CHARTER-20115 - Charter Communications,
 18566         2080        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         5558       1615     141  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         3225        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2751        490    1934  AKAMAI-ASN1, US
 31334         2640        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2396       2231     687  ROSTELECOM-AS, RU
  9121         2213       1692      18  TTNET, TR
 34984         2162        350     537  TELLCOM-AS, TR
  9009         1813        196     998  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         6242       3358     606  Uninet S.A. de C.V., MX
 10620         3357        534     462  Telmex Colombia S.A., CO
 11830         2695        370      54  Instituto Costarricense de Electricidad
  6503         1632        378     405  Axtel, S.A.B. de C.V., MX
  7303         1477       1027     272  Telecom Argentina S.A., AR
 28573         1171       2231     201  CLARO S.A., BR
  6147         1092        380      36  Telefonica del Peru S.A.A., PE
  3816         1062        546     124  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999         1020        488     248  Mega Cable, S.A. de C.V., MX
 11172          930        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         1188        394      24  LINKdotNET-AS, EG
 36992          983       1535      73  ETISALAT-MISR, EG
 24835          969        610      24  RAYA-AS, EG
 36903          852        431     115  MT-MPLS, MA
  8452          649       1857      19  TE-AS TE-AS, EG
  6713          625       1863      34  IAM-AS, MA
 29571          542         68      11  ORANGE-COTE-IVOIRE, CI
 15399          415         45      10  WANANCHI-, KE
 37342          402         32       1  MOVITEL, MZ
 23889          363        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         6242       3358     606  Uninet S.A. de C.V., MX
 12479         5558       1615     141  UNI2-AS, ES
  7545         5003        618     593  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4065        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3653        238     688  CABLEONE - CABLE ONE, INC., US
  6327         3486       1324      94  SHAW - Shaw Communications Inc., CA
 22773         3467       2973     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3357        534     462  Telmex Colombia S.A., CO
  7552         3242       1331      26  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       5558         5417   UNI2-AS, ES
  7545       5003         4410   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4065         4038   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
  6327       3486         3392   SHAW - Shaw Communications Inc., CA
 22773       3467         3311   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3242         3216   VIETEL-AS-AP Viettel Group, VN
  8551       3225         3179   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492       3653         2965   CABLEONE - CABLE ONE, INC., US
 45899       3063         2949   VNPT-AS-VN VNPT Corp, VN

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
 208130   UNALLOCATED  45.155.20.0/22       20860       IOMART-AS, GB
 208130   UNALLOCATED  45.155.20.0/23       20860       IOMART-AS, GB
 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

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

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
41.73.64.0/19        37149    -Reserved AS-, ZZ
41.76.55.0/24       328143    -Reserved AS-, ZZ
41.76.124.0/24       37493    -Reserved AS-, ZZ
41.76.125.0/24       37493    -Reserved AS-, ZZ
41.76.126.0/24       37493    -Reserved AS-, ZZ
41.76.127.0/24       37493    -Reserved AS-, ZZ

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      /11:100     /12:291     
/13:573     /14:1146    /15:1919    /16:13254   /17:8110    /18:13858   
/19:25684   /20:40452   /21:47407   /22:96876   /23:78403   /24:446585  
/25:873     /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     4517          5558    UNI2-AS, ES
  6327     3272          3486    SHAW - Shaw Communications Inc., CA
  7155     3154          4065    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 11492     2860          3653    CABLEONE - CABLE ONE, INC., US
 22773     2694          3467    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2684          3225    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 31334     2496          2640    KABELDEUTSCHLAND-AS, DE
 11830     2042          2695    Instituto Costarricense de Electricidad y Telec
 18566     1975          2080    MEGAPATH5-US - MegaPath Corporation, US

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

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

   1:1752      2:1101      3:6         4:22        5:3063      6:50     
   7:1         8:1357      9:1        12:1801     13:404      14:2123   
  15:45       16:7        17:270      18:77       20:59       23:2919   
  24:2586     25:4        27:2470     31:2755     32:108      35:37     
  36:924      37:3148     38:1820     39:306      40:121      41:3418   
  42:822      43:2094     44:176      45:10927    46:3353     47:268    
  49:1454     50:1103     51:347      52:1063     54:260      55:679    
  56:6        57:47       58:2078     59:1124     60:599      61:2221   
  62:2049     63:1870     64:5019     65:2258     66:4791     67:2733   
  68:1219     69:3573     70:1391     71:672      72:2701     74:2684   
  75:1292     76:595      77:2556     78:2007     79:2395     80:1822   
  81:1523     82:1184     83:953      84:1178     85:2384     86:564    
  87:1562     88:1137     89:2601     90:231      91:6609     92:1441   
  93:2465     94:2622     95:3682     96:954      97:339      98:958    
  99:833     100:83      101:1101    102:651     103:22280   104:3611   
 105:294     106:831     107:1799    108:693     109:3638    110:1773   
 111:1996    112:1554    113:1423    114:1294    115:1806    116:1771   
 117:1958    118:2238    119:1654    120:1085    121:1052    122:2311   
 123:1862    124:1535    125:2021    128:1362    129:856     130:550    
 131:1827    132:741     133:231     134:1101    135:258     136:600    
 137:805     138:2107    139:957     140:645     141:887     142:792    
 143:1096    144:888     145:285     146:1411    147:869     148:1812   
 149:1040    150:827     151:1288    152:1407    153:358     154:4413   
 155:893     156:2568    157:1063    158:703     159:1940    160:1599   
 161:974     162:3004    163:851     164:1297    165:1146    166:523    
 167:1439    168:3584    169:485     170:4205    171:689     172:1743   
 173:2293    174:1035    175:1004    176:2510    177:3994    178:2743   
 179:1417    180:2137    181:2373    182:2804    183:1164    184:2276   
 185:15575   186:3753    187:2514    188:3440    189:2043    190:8271   
 191:1458    192:10026   193:6758    194:5520    195:4198    196:3160   
 197:1813    198:5985    199:5937    200:7144    201:5200    202:10409  
 203:10276   204:4574    205:3070    206:3229    207:3261    208:3932   
 209:4307    210:3925    211:2043    212:3307    213:2963    214:1149   
 215:54      216:5862    217:2237    218:881     219:608     220:1918   
 221:972     222:1013    223:1394   

End of report