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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 22 Feb, 2020

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

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

BGP routing table entries examined:                              797399
    Prefixes after maximum aggregation (per Origin AS):          303488
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      389804
Total ASes present in the Internet Routing Table:                 67104
    Prefixes per ASN:                                             11.88
Origin-only ASes present in the Internet Routing Table:           57658
Origin ASes announcing only one prefix:                           24213
Transit ASes present in the Internet Routing Table:                9446
Transit-only ASes present in the Internet Routing Table:            284
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      34
    Max AS path prepend of ASN (206156)                              26
Prefixes from unregistered ASNs in the Routing Table:              1181
    Number of instances of unregistered ASNs:                      1186
Number of 32-bit ASNs allocated by the RIRs:                      30632
Number of 32-bit ASNs visible in the Routing Table:               25219
Prefixes from 32-bit ASNs in the Routing Table:                  115818
Number of bogon 32-bit ASNs visible in the Routing Table:            22
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:           1138
Number of addresses announced to Internet:                   2853607040
    Equivalent to 170 /8s, 22 /16s and 150 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    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:      268351

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

Prefixes being announced by APNIC Region ASes:                   210760
    Total APNIC prefixes after maximum aggregation:               61530
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          204036
    Unique aggregates announced from the APNIC address blocks:    85081
APNIC Region origin ASes present in the Internet Routing Table:   10346
    APNIC Prefixes per ASN:                                       19.72
APNIC Region origin ASes announcing only one prefix:               2847
APNIC Region transit ASes present in the Internet Routing Table:   1552
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5410
Number of APNIC addresses announced to Internet:              768263168
    Equivalent to 45 /8s, 202 /16s and 196 /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:                    234530
    Total ARIN prefixes after maximum aggregation:               107780
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           232216
    Unique aggregates announced from the ARIN address blocks:    117409
ARIN Region origin ASes present in the Internet Routing Table:    18404
    ARIN Prefixes per ASN:                                        12.62
ARIN Region origin ASes announcing only one prefix:                6749
ARIN Region transit ASes present in the Internet Routing Table:    1908
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3170
Number of ARIN addresses announced to Internet:              1079096832
    Equivalent to 64 /8s, 81 /16s and 182 /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:                    225915
    Total RIPE prefixes after maximum aggregation:               104821
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           222578
    Unique aggregates announced from the RIPE address blocks:    130789
RIPE Region origin ASes present in the Internet Routing Table:    26853
    RIPE Prefixes per ASN:                                         8.29
RIPE Region origin ASes announcing only one prefix:               11719
RIPE Region transit ASes present in the Internet Routing Table:    3812
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:    8937
Number of RIPE addresses announced to Internet:               723959424
    Equivalent to 43 /8s, 38 /16s and 190 /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:                  103345
    Total LACNIC prefixes after maximum aggregation:              24123
    LACNIC Deaggregation factor:                                   4.28
Prefixes being announced from the LACNIC address blocks:         104610
    Unique aggregates announced from the LACNIC address blocks:   45591
LACNIC Region origin ASes present in the Internet Routing Table:   9467
    LACNIC Prefixes per ASN:                                      11.05
LACNIC Region origin ASes announcing only one prefix:              2412
LACNIC Region transit ASes present in the Internet Routing Table:  1770
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7037
Number of LACNIC addresses announced to Internet:             173986048
    Equivalent to 10 /8s, 94 /16s and 209 /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:                  21667
    Total AfriNIC prefixes after maximum aggregation:              4490
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:         32821
    Unique aggregates announced from the AfriNIC address blocks:   9930
AfriNIC Region origin ASes present in the Internet Routing Table:  1372
    AfriNIC Prefixes per ASN:                                     23.92
AfriNIC Region origin ASes announcing only one prefix:              486
AfriNIC Region transit ASes present in the Internet Routing Table:  264
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  665
Number of AfriNIC addresses announced to Internet:            107623168
    Equivalent to 6 /8s, 106 /16s and 51 /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        5298        663     617  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4623       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3329       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899        3131       1794     110  VNPT-AS-VN VNPT Corp, VN
  7713        2702        831     493  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2620       9043      62  CMNET-GD Guangdong Mobile Communication
  4766        2285      11102     561  KIXS-AS-KR Korea Telecom, KR
  9498        2241        433     219  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2138        441     193  TATACOMM-AS TATA Communications formerl
  9394        2077       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        4040        280      28  VIASAT-SP-BACKBONE, US
 11492        3999        266     655  CABLEONE, US
 16509        3853       7815    1701  AMAZON-02, US
 22773        3532       2971     151  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3384       1324      92  SHAW, CA
 16625        2988       1569    2139  AKAMAI-AS, US
   209        2384       5076     533  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2310        360      95  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2290       2941    1631  FRONTIER-FRTR, US
 20115        2143       2795     520  CHARTER-20115, 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        5920       1599     131  UNI2-AS, ES
 31334        3961        484      13  KABELDEUTSCHLAND-AS, DE
 39891        3776        203      20  ALJAWWALSTC-AS, SA
  8551        3287        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        2885        462    1981  AKAMAI-ASN1, US
 12389        2480       2248     731  ROSTELECOM-AS, RU
 34984        2075        349     561  TELLCOM-AS, TR
  9009        2057        218    1096  M247, GB
  9121        1916       1691      18  TTNET, TR
 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        6249       3299     598  Uninet S.A. de C.V., MX
 10620        3364        534     443  Telmex Colombia S.A., CO
 11830        2672        369      63  Instituto Costarricense de Electricidad
  6503        1672        323     389  Axtel, S.A.B. de C.V., MX
  7303        1557       1030     265  Telecom Argentina S.A., AR
 28573        1328       2229     189  CLARO S.A., BR
 13999        1223        497     288  Mega Cable, S.A. de C.V., MX
  6147        1127        379      39  Telefonica del Peru S.A.A., PE
  3816        1103        563     137  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172         955        112      69  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        1239        393      22  LINKdotNET-AS, EG
 24835        1099        566      24  RAYA-AS, EG
 36992        1045       1535      74  ETISALAT-MISR, EG
 36903         876        452      97  MT-MPLS, MA
  6713         601       1863      34  IAM-AS, MA
 29571         557         68      11  ORANGE-COTE-IVOIRE, CI
 37342         482         32       1  MOVITEL, MZ
 36935         386        522      40  Vodafone-, EG
 15399         373         45      10  WANANCHI-, KE
 23889         373        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        6249       3299     598  Uninet S.A. de C.V., MX
 12479        5920       1599     131  UNI2-AS, ES
  7545        5298        663     617  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4623       4192      73  ERX-CERNET-BKB China Education and Rese
  7155        4040        280      28  VIASAT-SP-BACKBONE, US
 11492        3999        266     655  CABLEONE, US
 31334        3961        484      13  KABELDEUTSCHLAND-AS, DE
 16509        3853       7815    1701  AMAZON-02, US
 39891        3776        203      20  ALJAWWALSTC-AS, SA
 22773        3532       2971     151  ASN-CXA-ALL-CCI-22773-RDC, US

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5920         5789  UNI2-AS, ES
  7545        5298         4681  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4623         4550  ERX-CERNET-BKB China Education and Research Net
  7155        4040         4012  VIASAT-SP-BACKBONE, US
 31334        3961         3948  KABELDEUTSCHLAND-AS, DE
 39891        3776         3756  ALJAWWALSTC-AS, SA
 22773        3532         3381  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3999         3344  CABLEONE, US
  7552        3329         3305  VIETEL-AS-AP Viettel Group, VN
  6327        3384         3292  SHAW, CA

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     62485  UNALLOCATED  8.23.229.0/24             3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     27205  UNALLOCATED  8.38.16.0/21              6461  ZAYO-6461, US
     27205  UNALLOCATED  8.38.16.0/22             32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     27205  UNALLOCATED  8.38.20.0/22             32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     14109  UNALLOCATED  8.38.252.0/24             3356  LEVEL3, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.136.224.0/24      Origin:     15206  UNASSIGNED
                    Transit:       174  COGENT-174, US
23.137.192.0/24      Origin:     31798  CANAD-86-31798, CA
                    Transit:       174  COGENT-174, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY

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      /11:98      /12:285     
/13:579     /14:1158    /15:1915    /16:13395   /17:8149    /18:13830   
/19:25775   /20:40476   /21:47588   /22:98605   /23:81428   /24:462765  
/25:1294    /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        4901        5920  UNI2-AS, ES
 31334        3806        3961  KABELDEUTSCHLAND-AS, DE
  6327        3173        3384  SHAW, CA
  7155        3131        4040  VIASAT-SP-BACKBONE, US
 11492        3129        3999  CABLEONE, US
 39891        2946        3776  ALJAWWALSTC-AS, SA
  8551        2747        3287  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2747        3532  ASN-CXA-ALL-CCI-22773-RDC, US
  8151        2063        6249  Uninet S.A. de C.V., MX
 30036        2058        2310  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1530      2:1150      3:30        4:19        5:3308      6:48     
   8:1379      9:1        12:1783     13:494      14:2227     15:74     
  16:9        17:285      18:79       20:58       23:3340     24:2641   
  25:4        27:2497     31:2925     32:102      35:41       36:929    
  37:3255     38:1846     39:320      40:132      41:3326     42:875    
  43:2107     44:196      45:13518    46:3661     47:277      49:1418   
  50:1580     51:87       52:1123     54:272      55:693      56:6      
  57:48       58:1884     59:1126     60:685      61:2203     62:2166   
  63:1945     64:5062     65:2313     66:4860     67:2862     68:1212   
  69:3801     70:1431     71:669      72:2773     74:2623     75:1436   
  76:676      77:2565     78:1975     79:2418     80:1858     81:1564   
  82:1205     83:1118     84:1227     85:2494     86:567      87:1714   
  88:1084     89:2696     90:324      91:7553     92:1492     93:2445   
  94:2616     95:3733     96:1013     97:337      98:966      99:963    
 100:85      101:1086    102:843     103:23148   104:3607    105:387    
 106:833     107:1946    108:703     109:3774    110:1781    111:1983   
 112:1576    113:1383    114:1491    115:1844    116:1790    117:2048   
 118:2122    119:1701    120:848     121:1037    122:2366    123:1887   
 124:1556    125:2032    128:1387    129:914     130:620     131:1823   
 132:760     133:300     134:1229    135:276     136:601     137:839    
 138:2176    139:988     140:594     141:878     142:878     143:1170   
 144:949     145:327     146:1479    147:1007    148:2051    149:1123   
 150:812     151:1281    152:1476    153:369     154:4747    155:896    
 156:3325    157:1082    158:760     159:1939    160:1736    161:990    
 162:3030    163:789     164:1433    165:1241    166:546     167:1486   
 168:3620    169:494     170:4232    171:742     172:1881    173:2380   
 174:1036    175:1012    176:2642    177:4157    178:3009    179:1465   
 180:2193    181:2442    182:2839    183:1111    184:2397    185:16120  
 186:3742    187:2569    188:4068    189:2114    190:8257    191:1513   
 192:10262   193:7371    194:6034    195:4303    196:3398    197:1864   
 198:6148    199:5928    200:7122    201:5119    202:10399   203:10133  
 204:4548    205:3075    206:3260    207:3293    208:4001    209:4378   
 210:4001    211:1988    212:3210    213:3015    214:1168    215:54     
 216:5958    217:2353    218:880     219:604     220:1977    221:913    
 222:1004    223:1458   

End of report