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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 16 Nov, 2019

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

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

BGP routing table entries examined:                              782974
    Prefixes after maximum aggregation (per Origin AS):          298494
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      377528
Total ASes present in the Internet Routing Table:                 66178
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           56868
Origin ASes announcing only one prefix:                           24273
Transit ASes present in the Internet Routing Table:                9310
Transit-only ASes present in the Internet Routing Table:            269
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 44555)                              27
Prefixes from unregistered ASNs in the Routing Table:                27
    Number of instances of unregistered ASNs:                        27
Number of 32-bit ASNs allocated by the RIRs:                      29534
Number of 32-bit ASNs visible in the Routing Table:               24191
Prefixes from 32-bit ASNs in the Routing Table:                  110280
Number of bogon 32-bit ASNs visible in the Routing Table:            11
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            351
Number of addresses announced to Internet:                   2842462336
    Equivalent to 169 /8s, 108 /16s and 136 /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:      260733

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

Prefixes being announced by APNIC Region ASes:                   209819
    Total APNIC prefixes after maximum aggregation:               61136
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203946
    Unique aggregates announced from the APNIC address blocks:    84964
APNIC Region origin ASes present in the Internet Routing Table:   10181
    APNIC Prefixes per ASN:                                       20.03
APNIC Region origin ASes announcing only one prefix:               2822
APNIC Region transit ASes present in the Internet Routing Table:   1517
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:   5205
Number of APNIC addresses announced to Internet:              771253632
    Equivalent to 45 /8s, 248 /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:                    230215
    Total ARIN prefixes after maximum aggregation:               106863
    ARIN Deaggregation factor:                                     2.15
Prefixes being announced from the ARIN address blocks:           227648
    Unique aggregates announced from the ARIN address blocks:    108893
ARIN Region origin ASes present in the Internet Routing Table:    18632
    ARIN Prefixes per ASN:                                        12.22
ARIN Region origin ASes announcing only one prefix:                6920
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:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2997
Number of ARIN addresses announced to Internet:              1068521216
    Equivalent to 63 /8s, 176 /16s and 87 /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:                    219444
    Total RIPE prefixes after maximum aggregation:               102774
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           216220
    Unique aggregates announced from the RIPE address blocks:    128024
RIPE Region origin ASes present in the Internet Routing Table:    26641
    RIPE Prefixes per ASN:                                         8.12
RIPE Region origin ASes announcing only one prefix:               11695
RIPE Region transit ASes present in the Internet Routing Table:    3764
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8712
Number of RIPE addresses announced to Internet:               723320576
    Equivalent to 43 /8s, 28 /16s and 255 /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:                  101671
    Total LACNIC prefixes after maximum aggregation:              23319
    LACNIC Deaggregation factor:                                   4.36
Prefixes being announced from the LACNIC address blocks:         102787
    Unique aggregates announced from the LACNIC address blocks:   45050
LACNIC Region origin ASes present in the Internet Routing Table:   9096
    LACNIC Prefixes per ASN:                                      11.30
LACNIC Region origin ASes announcing only one prefix:              2361
LACNIC Region transit ASes present in the Internet Routing Table:  1721
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:  6650
Number of LACNIC addresses announced to Internet:             173986560
    Equivalent to 10 /8s, 94 /16s and 211 /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:                  21797
    Total AfriNIC prefixes after maximum aggregation:              4380
    AfriNIC Deaggregation factor:                                  4.98
Prefixes being announced from the AfriNIC address blocks:         32022
    Unique aggregates announced from the AfriNIC address blocks:  10301
AfriNIC Region origin ASes present in the Internet Routing Table:  1344
    AfriNIC Prefixes per ASN:                                     23.83
AfriNIC Region origin ASes announcing only one prefix:              475
AfriNIC Region transit ASes present in the Internet Routing Table:  265
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:  627
Number of AfriNIC addresses announced to Internet:            105025024
    Equivalent to 6 /8s, 66 /16s and 142 /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         5096        633     595  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4681       4192      73  ERX-CERNET-BKB China Education and Rese
  7552         3259       1331      27  VIETEL-AS-AP Viettel Group, VN
 45899         3076       1777     109  VNPT-AS-VN VNPT Corp, VN
  7713         2705        799     489  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2620       9043      63  CMNET-GD Guangdong Mobile Communication
  9829         2530       1496     531  BSNL-NIB National Internet Backbone, IN
  4766         2383      11113     666  KIXS-AS-KR Korea Telecom, KR
  9498         2207        433     212  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2149        442     196  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         3755        247     675  CABLEONE - CABLE ONE, INC., US
 16509         3674       7381    1607  AMAZON-02 - Amazon.com, Inc., US
 22773         3498       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3357       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2904       1535    2072  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2250        355     112  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2134       2769     517  CHARTER-20115 - Charter Communications,
   209         2107       5071     529  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 18566         2065        405     102  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         5662       1619     137  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         2970        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2809        476    1971  AKAMAI-ASN1, US
 31334         2625        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2456       2235     706  ROSTELECOM-AS, RU
 34984         2160        350     538  TELLCOM-AS, TR
  9009         1940        208    1062  M247, GB
  9121         1938       1691      18  TTNET, TR
 13188         1601        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         6238       3330     614  Uninet S.A. de C.V., MX
 10620         3355        532     466  Telmex Colombia S.A., CO
 11830         2687        369      63  Instituto Costarricense de Electricidad
  6503         1686        323     388  Axtel, S.A.B. de C.V., MX
  7303         1478       1024     275  Telecom Argentina S.A., AR
 28573         1200       2232     195  CLARO S.A., BR
 13999         1118        494     245  Mega Cable, S.A. de C.V., MX
  3816         1108        560     136  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147         1049        380      37  Telefonica del Peru S.A.A., PE
 11172          934        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         1176        393      23  LINKdotNET-AS, EG
 36992         1025       1535      73  ETISALAT-MISR, EG
 24835          975        618      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          648       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          556         68      11  ORANGE-COTE-IVOIRE, CI
 37342          481         32       1  MOVITEL, MZ
 15399          410         45      10  WANANCHI-, KE
 23889          366        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         6238       3330     614  Uninet S.A. de C.V., MX
 12479         5662       1619     137  UNI2-AS, ES
  7545         5096        633     595  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4681       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         3755        247     675  CABLEONE - CABLE ONE, INC., US
 16509         3674       7381    1607  AMAZON-02 - Amazon.com, Inc., US
 22773         3498       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3357       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       5662         5525   UNI2-AS, ES
  4538       4681         4608   ERX-CERNET-BKB China Education and Research Net
  7545       5096         4501   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4055         4028   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 22773       3498         3343   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327       3357         3264   SHAW - Shaw Communications Inc., CA
  7552       3259         3232   VIETEL-AS-AP Viettel Group, VN
 11492       3755         3080   CABLEONE - CABLE ONE, INC., US
 45899       3076         2967   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
  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
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     
/13:578     /14:1159    /15:1921    /16:13326   /17:8095    /18:13786   
/19:25719   /20:40280   /21:47438   /22:97785   /23:79597   /24:451528  
/25:1313    /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     4619          5662    UNI2-AS, ES
  7155     3147          4055    VIASAT-SP-BACKBONE - ViaSat,Inc., US
  6327     3144          3357    SHAW - Shaw Communications Inc., CA
 39891     2946          4034    ALJAWWALSTC-AS, SA
 11492     2921          3755    CABLEONE - CABLE ONE, INC., US
 22773     2720          3498    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2481          2625    KABELDEUTSCHLAND-AS, DE
  8551     2429          2970    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2034          2687    Instituto Costarricense de Electricidad y Telec
  8151     2010          6238    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)
----------------------------------------------

   1:1548      2:1110      3:12        4:21        5:3157      6:48     
   8:1365      9:1        12:1805     13:466      14:2189     15:54     
  16:9        17:275      18:79       20:56       23:3112     24:2599   
  25:4        27:2500     31:2763     32:104      35:37       36:928    
  37:3195     38:1799     39:310      40:128      41:3411     42:850    
  43:2102     44:187      45:12160    46:3281     47:270      49:1404   
  50:1132     51:344      52:1071     54:266      55:673      56:6      
  57:47       58:2049     59:1096     60:659      61:2206     62:2132   
  63:1899     64:4985     65:2292     66:4808     67:2722     68:1224   
  69:3596     70:1390     71:670      72:2748     74:2683     75:1421   
  76:658      77:2558     78:1953     79:2205     80:1821     81:1529   
  82:1206     83:970      84:1209     85:2430     86:579      87:1621   
  88:1053     89:2598     90:248      91:6729     92:1455     93:2451   
  94:2577     95:3676     96:963      97:340      98:958      99:962    
 100:82      101:1089    102:691     103:22653   104:3596    105:355    
 106:830     107:1817    108:682     109:3607    110:1763    111:1986   
 112:1576    113:1382    114:1441    115:1821    116:1817    117:1954   
 118:2159    119:1669    120:937     121:1035    122:2300    123:1898   
 124:1549    125:2006    128:1390    129:881     130:563     131:1832   
 132:767     133:251     134:1117    135:273     136:592     137:851    
 138:2165    139:974     140:656     141:847     142:791     143:1097   
 144:932     145:286     146:1451    147:971     148:1877    149:1047   
 150:841     151:1267    152:1446    153:367     154:4500    155:886    
 156:2904    157:1061    158:710     159:1954    160:1669    161:1034   
 162:3026    163:891     164:1310    165:1192    166:531     167:1443   
 168:3548    169:486     170:4171    171:706     172:1821    173:2303   
 174:1036    175:999     176:2689    177:4093    178:2768    179:1440   
 180:2167    181:2379    182:2822    183:1097    184:2280    185:15682  
 186:3775    187:2521    188:3432    189:2076    190:8281    191:1494   
 192:10126   193:6921    194:5631    195:4215    196:3275    197:1920   
 198:6078    199:5934    200:7156    201:5167    202:10427   203:10170  
 204:4581    205:3106    206:3244    207:3283    208:3977    209:4308   
 210:3975    211:1999    212:3293    213:2961    214:1157    215:54     
 216:5837    217:2288    218:904     219:610     220:1939    221:951    
 222:1020    223:1410   

End of report