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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 02 Nov, 2019

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

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

BGP routing table entries examined:                              780897
    Prefixes after maximum aggregation (per Origin AS):          297197
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      372349
Total ASes present in the Internet Routing Table:                 66010
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           56764
Origin ASes announcing only one prefix:                           24242
Transit ASes present in the Internet Routing Table:                9246
Transit-only ASes present in the Internet Routing Table:            266
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      51
    Max AS path prepend of ASN ( 22394)                              47
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        28
Number of 32-bit ASNs allocated by the RIRs:                      29349
Number of 32-bit ASNs visible in the Routing Table:               23994
Prefixes from 32-bit ASNs in the Routing Table:                  109125
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            323
Number of addresses announced to Internet:                   2843181824
    Equivalent to 169 /8s, 119 /16s and 131 /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:      260487

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

Prefixes being announced by APNIC Region ASes:                   209431
    Total APNIC prefixes after maximum aggregation:               60901
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          203765
    Unique aggregates announced from the APNIC address blocks:    84924
APNIC Region origin ASes present in the Internet Routing Table:   10148
    APNIC Prefixes per ASN:                                       20.08
APNIC Region origin ASes announcing only one prefix:               2808
APNIC Region transit ASes present in the Internet Routing Table:   1504
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5172
Number of APNIC addresses announced to Internet:              771110272
    Equivalent to 45 /8s, 246 /16s and 53 /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:                    229412
    Total ARIN prefixes after maximum aggregation:               106392
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           227432
    Unique aggregates announced from the ARIN address blocks:    104885
ARIN Region origin ASes present in the Internet Routing Table:    18624
    ARIN Prefixes per ASN:                                        12.21
ARIN Region origin ASes announcing only one prefix:                6907
ARIN Region transit ASes present in the Internet Routing Table:    1916
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          51
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2981
Number of ARIN addresses announced to Internet:              1068965120
    Equivalent to 63 /8s, 183 /16s and 29 /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:                    218987
    Total RIPE prefixes after maximum aggregation:               102370
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           215336
    Unique aggregates announced from the RIPE address blocks:    127655
RIPE Region origin ASes present in the Internet Routing Table:    26590
    RIPE Prefixes per ASN:                                         8.10
RIPE Region origin ASes announcing only one prefix:               11704
RIPE Region transit ASes present in the Internet Routing Table:    3745
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:    8642
Number of RIPE addresses announced to Internet:               722591104
    Equivalent to 43 /8s, 17 /16s and 221 /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:                  101543
    Total LACNIC prefixes after maximum aggregation:              23142
    LACNIC Deaggregation factor:                                   4.39
Prefixes being announced from the LACNIC address blocks:         102683
    Unique aggregates announced from the LACNIC address blocks:   44911
LACNIC Region origin ASes present in the Internet Routing Table:   9028
    LACNIC Prefixes per ASN:                                      11.37
LACNIC Region origin ASes announcing only one prefix:              2346
LACNIC Region transit ASes present in the Internet Routing Table:  1700
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6579
Number of LACNIC addresses announced to Internet:             173856000
    Equivalent to 10 /8s, 92 /16s and 213 /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:              4369
    AfriNIC Deaggregation factor:                                  4.92
Prefixes being announced from the AfriNIC address blocks:         31358
    Unique aggregates announced from the AfriNIC address blocks:   9698
AfriNIC Region origin ASes present in the Internet Routing Table:  1338
    AfriNIC Prefixes per ASN:                                     23.44
AfriNIC Region origin ASes announcing only one prefix:              477
AfriNIC Region transit ASes present in the Internet Routing Table:  259
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:  620
Number of AfriNIC addresses announced to Internet:            106344960
    Equivalent to 6 /8s, 86 /16s and 178 /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         5071        630     592  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4683       4192      73  ERX-CERNET-BKB China Education and Rese
  7552         3247       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899         3080       1771     107  VNPT-AS-VN VNPT Corp, VN
  7713         2614        799     492  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2613       9043      63  CMNET-GD Guangdong Mobile Communication
  9829         2530       1495     530  BSNL-NIB National Internet Backbone, IN
  4766         2388      11113     667  KIXS-AS-KR Korea Telecom, KR
  9498         2199        433     210  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2148        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         3774        308     112  CABLEONE - CABLE ONE, INC., US
 22773         3488       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         3443       7330    1560  AMAZON-02 - Amazon.com, Inc., US
  6327         3371       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2894       1531    2069  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2238        354     122  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2134       2769     517  CHARTER-20115 - Charter Communications,
 18566         2069        405     103  MEGAPATH5-US - MegaPath Corporation, US
  5650         2065       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         5623       1617     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         2987        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2787        474    1957  AKAMAI-ASN1, US
 31334         2621        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2407       2232     692  ROSTELECOM-AS, RU
  9121         2166       1691      18  TTNET, TR
 34984         2158        350     533  TELLCOM-AS, TR
  9009         1874        203    1026  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         6201       3326     615  Uninet S.A. de C.V., MX
 10620         3365        535     450  Telmex Colombia S.A., CO
 11830         2697        370      54  Instituto Costarricense de Electricidad
  6503         1696        327     387  Axtel, S.A.B. de C.V., MX
  7303         1477       1024     276  Telecom Argentina S.A., AR
 28573         1168       2232     194  CLARO S.A., BR
 13999         1103        493     244  Mega Cable, S.A. de C.V., MX
  6147         1102        380      37  Telefonica del Peru S.A.A., PE
  3816         1079        558     133  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          933        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         1170        393      23  LINKdotNET-AS, EG
 36992         1027       1535      73  ETISALAT-MISR, EG
 24835          969        618      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          663       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          523         68      11  ORANGE-COTE-IVOIRE, CI
 15399          410         45      10  WANANCHI-, KE
 37342          402         32       1  MOVITEL, MZ
 15706          363         32       6  Sudatel, SD

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         6201       3326     615  Uninet S.A. de C.V., MX
 12479         5623       1617     135  UNI2-AS, ES
  7545         5071        630     592  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4683       4192      73  ERX-CERNET-BKB China Education and Rese
  7155         4056        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3774        308     112  CABLEONE - CABLE ONE, INC., US
 22773         3488       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         3443       7330    1560  AMAZON-02 - Amazon.com, Inc., US
  6327         3371       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       5623         5488   UNI2-AS, ES
  4538       4683         4610   ERX-CERNET-BKB China Education and Research Net
  7545       5071         4479   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4056         4029   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 11492       3774         3662   CABLEONE - CABLE ONE, INC., US
 22773       3488         3333   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327       3371         3278   SHAW - Shaw Communications Inc., CA
  7552       3247         3221   VIETEL-AS-AP Viettel Group, VN
 45899       3080         2973   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
  64501   DOCUMENT     45.174.25.0/24      267817       UNKNOWN
 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
  65541   DOCUMENT     103.141.175.0/24     58689       ICCNET-DHK-BD ICC Communicatio
  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&

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     
/13:574     /14:1149    /15:1928    /16:13328   /17:8070    /18:13794   
/19:25709   /20:40253   /21:47415   /22:97411   /23:79250   /24:450012  
/25:1554    /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     4582          5623    UNI2-AS, ES
  6327     3158          3371    SHAW - Shaw Communications Inc., CA
  7155     3148          4056    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 11492     2919          3774    CABLEONE - CABLE ONE, INC., US
 22773     2713          3488    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2477          2621    KABELDEUTSCHLAND-AS, DE
  8551     2446          2987    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2044          2697    Instituto Costarricense de Electricidad y Telec
 30036     1989          2238    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)
----------------------------------------------

   1:1540      2:1114      3:6         4:21        5:3136      6:49     
   7:1         8:1370      9:1        12:1799     13:424      14:2140   
  15:52       16:8        17:273      18:78       20:56       23:3002   
  24:2594     25:4        27:2495     31:2766     32:107      35:36     
  36:928      37:3178     38:1787     39:309      40:128      41:3370   
  42:851      43:2100     44:184      45:11860    46:3334     47:269    
  49:1412     50:1129     51:348      52:1074     54:267      55:730    
  56:6        57:48       58:2050     59:1096     60:640      61:2214   
  62:2128     63:1889     64:4987     65:2276     66:4829     67:2722   
  68:1216     69:3604     70:1388     71:666      72:2734     74:2682   
  75:1293     76:657      77:2559     78:2002     79:2209     80:1814   
  81:1517     82:1195     83:959      84:1204     85:2436     86:566    
  87:1611     88:1121     89:2597     90:245      91:6691     92:1430   
  93:2470     94:2563     95:3687     96:955      97:338      98:956    
  99:961     100:82      101:1090    102:684     103:22522   104:3638   
 105:342     106:833     107:1828    108:677     109:3597    110:1801   
 111:2029    112:1565    113:1382    114:1463    115:1819    116:1812   
 117:1971    118:2179    119:1668    120:1060    121:1036    122:2304   
 123:1869    124:1552    125:2018    128:1395    129:880     130:551    
 131:1813    132:758     133:251     134:1114    135:261     136:587    
 137:814     138:2126    139:965     140:651     141:895     142:766    
 143:1101    144:934     145:286     146:1440    147:928     148:1868   
 149:1027    150:832     151:1285    152:1419    153:365     154:4378   
 155:888     156:2780    157:1065    158:708     159:1956    160:1639   
 161:1032    162:3019    163:870     164:1299    165:1177    166:526    
 167:1446    168:3592    169:490     170:4241    171:710     172:1759   
 173:2304    174:1035    175:990     176:2564    177:4180    178:2786   
 179:1405    180:2170    181:2390    182:2807    183:1095    184:2290   
 185:15697   186:3816    187:2518    188:3413    189:2060    190:8309   
 191:1484    192:10095   193:6873    194:5604    195:4190    196:3185   
 197:1809    198:6075    199:5938    200:7158    201:5160    202:10441  
 203:10115   204:4587    205:3092    206:3237    207:3280    208:3966   
 209:4291    210:3958    211:2007    212:3295    213:2953    214:1155   
 215:53      216:5813    217:2297    218:890     219:604     220:1937   
 221:951     222:1024    223:1417   

End of report