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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 08 Feb, 2020

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

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

BGP routing table entries examined:                              794073
    Prefixes after maximum aggregation (per Origin AS):          302321
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      388517
Total ASes present in the Internet Routing Table:                 66960
    Prefixes per ASN:                                             11.86
Origin-only ASes present in the Internet Routing Table:           57545
Origin ASes announcing only one prefix:                           24189
Transit ASes present in the Internet Routing Table:                9415
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 ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:              1271
    Number of instances of unregistered ASNs:                      1276
Number of 32-bit ASNs allocated by the RIRs:                      30466
Number of 32-bit ASNs visible in the Routing Table:               25070
Prefixes from 32-bit ASNs in the Routing Table:                  114954
Number of bogon 32-bit ASNs visible in the Routing Table:            25
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:           1135
Number of addresses announced to Internet:                   2853015424
    Equivalent to 170 /8s, 13 /16s and 143 /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:      266654

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

Prefixes being announced by APNIC Region ASes:                   210581
    Total APNIC prefixes after maximum aggregation:               61335
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203953
    Unique aggregates announced from the APNIC address blocks:    84920
APNIC Region origin ASes present in the Internet Routing Table:   10336
    APNIC Prefixes per ASN:                                       19.73
APNIC Region origin ASes announcing only one prefix:               2851
APNIC Region transit ASes present in the Internet Routing Table:   1544
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:   5389
Number of APNIC addresses announced to Internet:              768260864
    Equivalent to 45 /8s, 202 /16s and 187 /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:                    233275
    Total ARIN prefixes after maximum aggregation:               107407
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           231228
    Unique aggregates announced from the ARIN address blocks:    116855
ARIN Region origin ASes present in the Internet Routing Table:    18391
    ARIN Prefixes per ASN:                                        12.57
ARIN Region origin ASes announcing only one prefix:                6756
ARIN Region transit ASes present in the Internet Routing Table:    1900
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:    3161
Number of ARIN addresses announced to Internet:              1078447104
    Equivalent to 64 /8s, 71 /16s and 204 /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:                    224258
    Total RIPE prefixes after maximum aggregation:               104482
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           221082
    Unique aggregates announced from the RIPE address blocks:    130501
RIPE Region origin ASes present in the Internet Routing Table:    26801
    RIPE Prefixes per ASN:                                         8.25
RIPE Region origin ASes announcing only one prefix:               11706
RIPE Region transit ASes present in the Internet Routing Table:    3789
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:    8898
Number of RIPE addresses announced to Internet:               723789952
    Equivalent to 43 /8s, 36 /16s and 40 /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:                  103390
    Total LACNIC prefixes after maximum aggregation:              23822
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         104554
    Unique aggregates announced from the LACNIC address blocks:   45410
LACNIC Region origin ASes present in the Internet Routing Table:   9401
    LACNIC Prefixes per ASN:                                      11.12
LACNIC Region origin ASes announcing only one prefix:              2394
LACNIC Region transit ASes present in the Internet Routing Table:  1774
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:  6973
Number of LACNIC addresses announced to Internet:             174266624
    Equivalent to 10 /8s, 99 /16s and 25 /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:                  21297
    Total AfriNIC prefixes after maximum aggregation:              4473
    AfriNIC Deaggregation factor:                                  4.76
Prefixes being announced from the AfriNIC address blocks:         32121
    Unique aggregates announced from the AfriNIC address blocks:   9828
AfriNIC Region origin ASes present in the Internet Routing Table:  1360
    AfriNIC Prefixes per ASN:                                     23.62
AfriNIC Region origin ASes announcing only one prefix:              482
AfriNIC Region transit ASes present in the Internet Routing Table:  265
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  649
Number of AfriNIC addresses announced to Internet:            107504384
    Equivalent to 6 /8s, 104 /16s and 99 /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        5270        655     608  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4622       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3320       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899        3125       1790     109  VNPT-AS-VN VNPT Corp, VN
  7713        2700        815     493  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2613       9043      62  CMNET-GD Guangdong Mobile Communication
  4766        2252      11101     562  KIXS-AS-KR Korea Telecom, KR
  9498        2230        433     215  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2136        441     194  TATACOMM-AS TATA Communications formerl
  9394        2092       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        4047        280      27  VIASAT-SP-BACKBONE, US
 11492        3928        260     647  CABLEONE, US
 16509        3812       7748    1683  AMAZON-02, US
 22773        3523       2971     151  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3367       1324      94  SHAW, CA
 16625        2966       1555    2130  AKAMAI-AS, US
   209        2344       5075     531  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2297        359      94  MEDIACOM-ENTERPRISE-BUSINESS, US
 20115        2139       2784     519  CHARTER-20115, US
 18566        2057        405     103  MEGAPATH5-, 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        5876       1623     131  UNI2-AS, ES
 39891        3776        203      20  ALJAWWALSTC-AS, SA
 31334        3436        484      13  KABELDEUTSCHLAND-AS, DE
  8551        3086        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        2834        452    1955  AKAMAI-ASN1, US
 12389        2418       2244     700  ROSTELECOM-AS, RU
 34984        2067        348     557  TELLCOM-AS, TR
  9009        2043        213    1089  M247, GB
  9121        1919       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        6210       3295     599  Uninet S.A. de C.V., MX
 10620        3360        534     464  Telmex Colombia S.A., CO
 11830        2682        369      63  Instituto Costarricense de Electricidad
  6503        1669        323     392  Axtel, S.A.B. de C.V., MX
  7303        1485       1030     267  Telecom Argentina S.A., AR
 28573        1279       2223     224  CLARO S.A., BR
 13999        1194        506     290  Mega Cable, S.A. de C.V., MX
  3816        1122        562     135  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1109        379      39  Telefonica del Peru S.A.A., PE
 11172         954        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
 24835        1097        566      24  RAYA-AS, EG
 24863        1092        393      22  LINKdotNET-AS, EG
 36992        1040       1535      73  ETISALAT-MISR, EG
 36903         876        452      97  MT-MPLS, MA
  6713         606       1863      34  IAM-AS, MA
 29571         559         68      12  ORANGE-COTE-IVOIRE, CI
 37342         474         32       1  MOVITEL, MZ
 36935         383        522      40  Vodafone-, EG
 23889         370        231      15  MauritiusTelecom, MU
 15399         362         45      10  WANANCHI-, KE

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        6210       3295     599  Uninet S.A. de C.V., MX
 12479        5876       1623     131  UNI2-AS, ES
  7545        5270        655     608  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4622       4192      73  ERX-CERNET-BKB China Education and Rese
  7155        4047        280      27  VIASAT-SP-BACKBONE, US
 11492        3928        260     647  CABLEONE, US
 16509        3812       7748    1683  AMAZON-02, US
 39891        3776        203      20  ALJAWWALSTC-AS, SA
 22773        3523       2971     151  ASN-CXA-ALL-CCI-22773-RDC, US
 31334        3436        484      13  KABELDEUTSCHLAND-AS, DE

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        5876         5745  UNI2-AS, ES
  7545        5270         4662  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4622         4549  ERX-CERNET-BKB China Education and Research Net
  7155        4047         4020  VIASAT-SP-BACKBONE, US
 39891        3776         3756  ALJAWWALSTC-AS, SA
 31334        3436         3423  KABELDEUTSCHLAND-AS, DE
 22773        3523         3372  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3320         3296  VIETEL-AS-AP Viettel Group, VN
 11492        3928         3281  CABLEONE, US
  6327        3367         3273  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
     17076  UNALLOCATED  8.12.244.0/24             3356  LEVEL3, US
     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

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      /12:286     
/13:579     /14:1157    /15:1916    /16:13397   /17:8170    /18:13861   
/19:25777   /20:40506   /21:47565   /22:98322   /23:80905   /24:460141  
/25:1334    /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        4847        5876  UNI2-AS, ES
 31334        3281        3436  KABELDEUTSCHLAND-AS, DE
  6327        3154        3367  SHAW, CA
  7155        3139        4047  VIASAT-SP-BACKBONE, US
 11492        3064        3928  CABLEONE, US
 39891        2946        3776  ALJAWWALSTC-AS, SA
 22773        2740        3523  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2546        3086  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2046        2297  MEDIACOM-ENTERPRISE-BUSINESS, US
 11830        2030        2682  Instituto Costarricense de Electricidad y Telec

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

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

   1:1499      2:1144      3:30        4:19        5:3257      6:48     
   8:1377      9:1        12:1786     13:481      14:2230     15:75     
  16:9        17:285      18:79       20:58       23:3291     24:2642   
  25:4        27:2492     31:2867     32:101      35:40       36:930    
  37:3230     38:1838     39:315      40:132      41:3253     42:872    
  43:2128     44:191      45:13153    46:3649     47:275      49:1400   
  50:1568     51:87       52:1112     54:272      55:680      56:6      
  57:48       58:1886     59:1119     60:683      61:2210     62:2158   
  63:1946     64:5065     65:2318     66:4845     67:2849     68:1233   
  69:3819     70:1433     71:671      72:2772     74:2626     75:1439   
  76:674      77:2547     78:1976     79:2356     80:1855     81:1578   
  82:1176     83:1123     84:1234     85:2492     86:554      87:1713   
  88:1080     89:2713     90:310      91:7546     92:1474     93:2435   
  94:2596     95:3713     96:1014     97:337      98:964      99:966    
 100:86      101:1092    102:803     103:23095   104:3600    105:402    
 106:824     107:1903    108:708     109:3615    110:1772    111:1938   
 112:1561    113:1389    114:1490    115:1842    116:1794    117:2039   
 118:2125    119:1716    120:840     121:1034    122:2353    123:1888   
 124:1551    125:2023    128:1387    129:913     130:610     131:1814   
 132:784     133:300     134:1223    135:275     136:599     137:884    
 138:2165    139:985     140:594     141:880     142:870     143:1163   
 144:945     145:292     146:1477    147:1003    148:2061    149:1108   
 150:809     151:1277    152:1478    153:371     154:4695    155:900    
 156:3278    157:1075    158:727     159:1939    160:1729    161:1012   
 162:3017    163:772     164:1409    165:1231    166:542     167:1472   
 168:3516    169:495     170:4244    171:743     172:1863    173:2364   
 174:1033    175:1011    176:2607    177:4148    178:2902    179:1490   
 180:2183    181:2366    182:2838    183:1120    184:2393    185:16040  
 186:3789    187:2552    188:3642    189:2086    190:8206    191:1502   
 192:10245   193:7315    194:5995    195:4288    196:3279    197:1869   
 198:6117    199:5930    200:7136    201:5121    202:10420   203:10238  
 204:4550    205:3067    206:3253    207:3270    208:4004    209:4371   
 210:4005    211:1989    212:3240    213:3017    214:1164    215:53     
 216:5925    217:2341    218:893     219:605     220:1980    221:919    
 222:1002    223:1407   

End of report