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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 09 Nov, 2019

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

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

BGP routing table entries examined:                              781783
    Prefixes after maximum aggregation (per Origin AS):          297937
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      376869
Total ASes present in the Internet Routing Table:                 66078
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           56797
Origin ASes announcing only one prefix:                           24298
Transit ASes present in the Internet Routing Table:                9281
Transit-only ASes present in the Internet Routing Table:            268
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      35
    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:                      29439
Number of 32-bit ASNs visible in the Routing Table:               24053
Prefixes from 32-bit ASNs in the Routing Table:                  109264
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:            360
Number of addresses announced to Internet:                   2841827200
    Equivalent to 169 /8s, 98 /16s and 215 /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:      260296

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

Prefixes being announced by APNIC Region ASes:                   209880
    Total APNIC prefixes after maximum aggregation:               60956
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          204135
    Unique aggregates announced from the APNIC address blocks:    84988
APNIC Region origin ASes present in the Internet Routing Table:   10169
    APNIC Prefixes per ASN:                                       20.07
APNIC Region origin ASes announcing only one prefix:               2827
APNIC Region transit ASes present in the Internet Routing Table:   1512
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:   5183
Number of APNIC addresses announced to Internet:              771228032
    Equivalent to 45 /8s, 248 /16s and 1 /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:                    230178
    Total ARIN prefixes after maximum aggregation:               106890
    ARIN Deaggregation factor:                                     2.15
Prefixes being announced from the ARIN address blocks:           227726
    Unique aggregates announced from the ARIN address blocks:    108693
ARIN Region origin ASes present in the Internet Routing Table:    18642
    ARIN Prefixes per ASN:                                        12.22
ARIN Region origin ASes announcing only one prefix:                6925
ARIN Region transit ASes present in the Internet Routing Table:    1921
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:    2989
Number of ARIN addresses announced to Internet:              1069086720
    Equivalent to 63 /8s, 184 /16s and 248 /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:                    218407
    Total RIPE prefixes after maximum aggregation:               102481
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           214977
    Unique aggregates announced from the RIPE address blocks:    127753
RIPE Region origin ASes present in the Internet Routing Table:    26583
    RIPE Prefixes per ASN:                                         8.09
RIPE Region origin ASes announcing only one prefix:               11704
RIPE Region transit ASes present in the Internet Routing Table:    3749
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:    8644
Number of RIPE addresses announced to Internet:               722427648
    Equivalent to 43 /8s, 15 /16s and 95 /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:                  101615
    Total LACNIC prefixes after maximum aggregation:              23220
    LACNIC Deaggregation factor:                                   4.38
Prefixes being announced from the LACNIC address blocks:         102745
    Unique aggregates announced from the LACNIC address blocks:   44941
LACNIC Region origin ASes present in the Internet Routing Table:   9067
    LACNIC Prefixes per ASN:                                      11.33
LACNIC Region origin ASes announcing only one prefix:              2369
LACNIC Region transit ASes present in the Internet Routing Table:  1715
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6620
Number of LACNIC addresses announced to Internet:             173949696
    Equivalent to 10 /8s, 94 /16s and 67 /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:                  21675
    Total AfriNIC prefixes after maximum aggregation:              4368
    AfriNIC Deaggregation factor:                                  4.96
Prefixes being announced from the AfriNIC address blocks:         31840
    Unique aggregates announced from the AfriNIC address blocks:  10190
AfriNIC Region origin ASes present in the Internet Routing Table:  1334
    AfriNIC Prefixes per ASN:                                     23.87
AfriNIC Region origin ASes announcing only one prefix:              473
AfriNIC Region transit ASes present in the Internet Routing Table:  260
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:  617
Number of AfriNIC addresses announced to Internet:            104797440
    Equivalent to 6 /8s, 63 /16s and 21 /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         5091        630     590  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4681       4192      73  ERX-CERNET-BKB China Education and Rese
  7552         3265       1331      27  VIETEL-AS-AP Viettel Group, VN
 45899         3082       1772     108  VNPT-AS-VN VNPT Corp, VN
  7713         2712        799     489  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2615       9043      63  CMNET-GD Guangdong Mobile Communication
  9829         2531       1495     530  BSNL-NIB National Internet Backbone, IN
  4766         2384      11113     665  KIXS-AS-KR Korea Telecom, KR
  9498         2203        433     211  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         3753        247     674  CABLEONE - CABLE ONE, INC., US
 16509         3633       7375    1570  AMAZON-02 - Amazon.com, Inc., US
 22773         3496       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3357       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2900       1534    2070  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2239        354     121  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2134       2769     517  CHARTER-20115 - Charter Communications,
   209         2114       5070     533  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 18566         2068        405     103  MEGAPATH5-US - MegaPath Corporation, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 12479         5639       1618     136  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         2980        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2796        475    1965  AKAMAI-ASN1, US
 31334         2630        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2418       2234     698  ROSTELECOM-AS, RU
  9121         2155       1691      18  TTNET, TR
 34984         2153        349     536  TELLCOM-AS, TR
  9009         1927        207    1055  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         6224       3330     612  Uninet S.A. de C.V., MX
 10620         3355        532     466  Telmex Colombia S.A., CO
 11830         2697        370      54  Instituto Costarricense de Electricidad
  6503         1688        327     387  Axtel, S.A.B. de C.V., MX
  7303         1477       1024     275  Telecom Argentina S.A., AR
 28573         1202       2232     195  CLARO S.A., BR
 13999         1114        486     244  Mega Cable, S.A. de C.V., MX
  6147         1103        380      37  Telefonica del Peru S.A.A., PE
  3816         1086        556     135  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 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         1175        393      23  LINKdotNET-AS, EG
 36992         1021       1535      73  ETISALAT-MISR, EG
 24835          959        618      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          642       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          522         68      11  ORANGE-COTE-IVOIRE, CI
 37342          482         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         6224       3330     612  Uninet S.A. de C.V., MX
 12479         5639       1618     136  UNI2-AS, ES
  7545         5091        630     590  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         3753        247     674  CABLEONE - CABLE ONE, INC., US
 16509         3633       7375    1570  AMAZON-02 - Amazon.com, Inc., US
 22773         3496       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       5639         5503   UNI2-AS, ES
  4538       4681         4608   ERX-CERNET-BKB China Education and Research Net
  7545       5091         4501   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4055         4028   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 22773       3496         3341   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327       3357         3264   SHAW - Shaw Communications Inc., CA
  7552       3265         3238   VIETEL-AS-AP Viettel Group, VN
 11492       3753         3079   CABLEONE - CABLE ONE, INC., US
 45899       3082         2974   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     
/13:577     /14:1159    /15:1921    /16:13314   /17:8089    /18:13796   
/19:25732   /20:40311   /21:47338   /22:97473   /23:79192   /24:450872  
/25:1560    /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     4597          5639    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     2920          3753    CABLEONE - CABLE ONE, INC., US
 22773     2718          3496    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2486          2630    KABELDEUTSCHLAND-AS, DE
  8551     2439          2980    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2044          2697    Instituto Costarricense de Electricidad y Telec
  8151     1996          6224    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)
----------------------------------------------

   1:1544      2:1110      3:6         4:21        5:3104      6:49     
   8:1368      9:1        12:1802     13:465      14:2194     15:52     
  16:8        17:273      18:78       20:56       23:3102     24:2595   
  25:4        27:2499     31:2773     32:107      35:36       36:930    
  37:2998     38:1794     39:306      40:128      41:3399     42:848    
  43:2102     44:185      45:11998    46:3333     47:270      49:1413   
  50:1127     51:344      52:1074     54:267      55:729      56:6      
  57:48       58:2052     59:1095     60:654      61:2216     62:2127   
  63:1897     64:4991     65:2294     66:4815     67:2727     68:1216   
  69:3591     70:1384     71:669      72:2744     74:2682     75:1426   
  76:658      77:2552     78:2002     79:2211     80:1828     81:1519   
  82:1186     83:967      84:1203     85:2431     86:564      87:1622   
  88:1108     89:2582     90:244      91:6675     92:1422     93:2442   
  94:2582     95:3687     96:961      97:339      98:956      99:958    
 100:82      101:1093    102:673     103:22575   104:3640    105:351    
 106:836     107:1829    108:680     109:3600    110:1805    111:2025   
 112:1574    113:1381    114:1443    115:1822    116:1815    117:1967   
 118:2185    119:1679    120:1032    121:1053    122:2304    123:1889   
 124:1522    125:1998    128:1384    129:882     130:559     131:1820   
 132:763     133:251     134:1118    135:273     136:590     137:822    
 138:2134    139:965     140:654     141:852     142:793     143:1103   
 144:922     145:284     146:1442    147:908     148:1880    149:1008   
 150:834     151:1266    152:1448    153:366     154:4518    155:894    
 156:2926    157:1061    158:707     159:1956    160:1637    161:1030   
 162:3021    163:873     164:1296    165:1185    166:529     167:1452   
 168:3559    169:489     170:4129    171:711     172:1810    173:2302   
 174:1037    175:998     176:2679    177:4146    178:2779    179:1424   
 180:2172    181:2389    182:2813    183:1097    184:2290    185:15584  
 186:3775    187:2522    188:3433    189:2065    190:8276    191:1498   
 192:10095   193:6871    194:5586    195:4198    196:3223    197:1916   
 198:6069    199:5946    200:7178    201:5171    202:10434   203:10204  
 204:4586    205:3100    206:3253    207:3295    208:3969    209:4315   
 210:3975    211:2009    212:3272    213:2965    214:1158    215:54     
 216:5846    217:2287    218:904     219:610     220:1944    221:950    
 222:1021    223:1407   

End of report