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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 18 Jan, 2020

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

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

BGP routing table entries examined:                              791374
    Prefixes after maximum aggregation (per Origin AS):          301457
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      387840
Total ASes present in the Internet Routing Table:                 66740
    Prefixes per ASN:                                             11.86
Origin-only ASes present in the Internet Routing Table:           57361
Origin ASes announcing only one prefix:                           24165
Transit ASes present in the Internet Routing Table:                9379
Transit-only ASes present in the Internet Routing Table:            288
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      35
    Max AS path prepend of ASN ( 53176)                              31
Prefixes from unregistered ASNs in the Routing Table:              1313
    Number of instances of unregistered ASNs:                      1313
Number of 32-bit ASNs allocated by the RIRs:                      30192
Number of 32-bit ASNs visible in the Routing Table:               24830
Prefixes from 32-bit ASNs in the Routing Table:                  113996
Number of bogon 32-bit ASNs visible in the Routing Table:            31
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            443
Number of addresses announced to Internet:                   2852676736
    Equivalent to 170 /8s, 8 /16s and 100 /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:      264746

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

Prefixes being announced by APNIC Region ASes:                   210449
    Total APNIC prefixes after maximum aggregation:               61270
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203980
    Unique aggregates announced from the APNIC address blocks:    84945
APNIC Region origin ASes present in the Internet Routing Table:   10291
    APNIC Prefixes per ASN:                                       19.82
APNIC Region origin ASes announcing only one prefix:               2850
APNIC Region transit ASes present in the Internet Routing Table:   1543
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:   5344
Number of APNIC addresses announced to Internet:              768001280
    Equivalent to 45 /8s, 198 /16s and 197 /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:                    232092
    Total ARIN prefixes after maximum aggregation:               107372
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           230025
    Unique aggregates announced from the ARIN address blocks:    116598
ARIN Region origin ASes present in the Internet Routing Table:    18372
    ARIN Prefixes per ASN:                                        12.52
ARIN Region origin ASes announcing only one prefix:                6763
ARIN Region transit ASes present in the Internet Routing Table:    1905
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:    3119
Number of ARIN addresses announced to Internet:              1079028480
    Equivalent to 64 /8s, 80 /16s and 171 /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:                    223723
    Total RIPE prefixes after maximum aggregation:               103953
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           220449
    Unique aggregates announced from the RIPE address blocks:    130028
RIPE Region origin ASes present in the Internet Routing Table:    26743
    RIPE Prefixes per ASN:                                         8.24
RIPE Region origin ASes announcing only one prefix:               11696
RIPE Region transit ASes present in the Internet Routing Table:    3776
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:    8838
Number of RIPE addresses announced to Internet:               723697536
    Equivalent to 43 /8s, 34 /16s and 191 /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:                  102509
    Total LACNIC prefixes after maximum aggregation:              23648
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:         103661
    Unique aggregates announced from the LACNIC address blocks:   45327
LACNIC Region origin ASes present in the Internet Routing Table:   9321
    LACNIC Prefixes per ASN:                                      11.12
LACNIC Region origin ASes announcing only one prefix:              2380
LACNIC Region transit ASes present in the Internet Routing Table:  1759
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:  6890
Number of LACNIC addresses announced to Internet:             174034688
    Equivalent to 10 /8s, 95 /16s and 143 /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:                  21287
    Total AfriNIC prefixes after maximum aggregation:              4434
    AfriNIC Deaggregation factor:                                  4.80
Prefixes being announced from the AfriNIC address blocks:         32816
    Unique aggregates announced from the AfriNIC address blocks:  10593
AfriNIC Region origin ASes present in the Internet Routing Table:  1340
    AfriNIC Prefixes per ASN:                                     24.49
AfriNIC Region origin ASes announcing only one prefix:              476
AfriNIC Region transit ASes present in the Internet Routing Table:  258
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  639
Number of AfriNIC addresses announced to Internet:            107533056
    Equivalent to 6 /8s, 104 /16s and 211 /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        5245        645     603  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4621       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3318       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899        3120       1785     107  VNPT-AS-VN VNPT Corp, VN
  7713        2697        814     495  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2600       9043      62  CMNET-GD Guangdong Mobile Communication
  4766        2264      11102     566  KIXS-AS-KR Korea Telecom, KR
  9498        2218        433     212  BBIL-AP BHARTI Airtel Ltd., IN
  9829        2160       1377     249  BSNL-NIB National Internet Backbone, IN
  4755        2138        441     190  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        4047        280      27  VIASAT-SP-BACKBONE, US
 11492        3894        258     653  CABLEONE, US
 16509        3805       7736    1687  AMAZON-02, US
 22773        3516       2971     152  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3373       1324      93  SHAW, CA
 16625        2956       1550    2122  AKAMAI-AS, US
 30036        2284        358      92  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2250       5075     534  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2136       2774     519  CHARTER-20115, US
 18566        2059        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        5848       1631     135  UNI2-AS, ES
 39891        4034        219      19  ALJAWWALSTC-AS, SA
 31334        3388        484      13  KABELDEUTSCHLAND-AS, DE
  8551        3110        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        2819        469    1955  AKAMAI-ASN1, US
 12389        2421       2239     702  ROSTELECOM-AS, RU
  9009        2063        223    1111  M247, GB
 34984        2048        348     556  TELLCOM-AS, TR
  9121        1932       1691      18  TTNET, TR
 13188        1605        100      46  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        6190       3297     610  Uninet S.A. de C.V., MX
 10620        3361        533     469  Telmex Colombia S.A., CO
 11830        2680        369      63  Instituto Costarricense de Electricidad
  6503        1682        323     389  Axtel, S.A.B. de C.V., MX
  7303        1478       1026     265  Telecom Argentina S.A., AR
 28573        1267       2235     200  CLARO S.A., BR
 13999        1157        501     273  Mega Cable, S.A. de C.V., MX
  3816        1119        561     133  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1097        379      39  Telefonica del Peru S.A.A., PE
 11172         942        111      65  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        1243        393      23  LINKdotNET-AS, EG
 24835        1097        566      24  RAYA-AS, EG
 36992        1036       1535      73  ETISALAT-MISR, EG
 36903         876        452      97  MT-MPLS, MA
  6713         623       1863      34  IAM-AS, MA
 29571         561         68      12  ORANGE-COTE-IVOIRE, CI
 37342         477         32       1  MOVITEL, MZ
 36935         383        522      40  Vodafone-, EG
 23889         352        231      15  MauritiusTelecom, MU
 15399         351         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        6190       3297     610  Uninet S.A. de C.V., MX
 12479        5848       1631     135  UNI2-AS, ES
  7545        5245        645     603  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4621       4192      73  ERX-CERNET-BKB China Education and Rese
  7155        4047        280      27  VIASAT-SP-BACKBONE, US
 39891        4034        219      19  ALJAWWALSTC-AS, SA
 11492        3894        258     653  CABLEONE, US
 16509        3805       7736    1687  AMAZON-02, US
 22773        3516       2971     152  ASN-CXA-ALL-CCI-22773-RDC, US
 31334        3388        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        5848         5713  UNI2-AS, ES
  7545        5245         4642  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4621         4548  ERX-CERNET-BKB China Education and Research Net
  7155        4047         4020  VIASAT-SP-BACKBONE, US
 39891        4034         4015  ALJAWWALSTC-AS, SA
 31334        3388         3375  KABELDEUTSCHLAND-AS, DE
 22773        3516         3364  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3318         3294  VIETEL-AS-AP Viettel Group, VN
  6327        3373         3280  SHAW, CA
 11492        3894         3241  CABLEONE, US

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
     23071  UNALLOCATED  8.33.235.0/24             3356  LEVEL3, 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

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:      6939  HURRICANE, 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      /12:287     
/13:580     /14:1159    /15:1920    /16:13391   /17:8115    /18:13879   
/19:25777   /20:40474   /21:47497   /22:98432   /23:80749   /24:457619  
/25:1338    /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        4810        5848  UNI2-AS, ES
 31334        3233        3388  KABELDEUTSCHLAND-AS, DE
  6327        3161        3373  SHAW, CA
  7155        3139        4047  VIASAT-SP-BACKBONE, US
 11492        3037        3894  CABLEONE, US
 39891        2946        4034  ALJAWWALSTC-AS, SA
 22773        2736        3516  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2569        3110  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2033        2284  MEDIACOM-ENTERPRISE-BUSINESS, US
 11830        2028        2680  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)
----------------------------------------------

   1:1525      2:1155      3:12        4:19        5:3217      6:47     
   8:1366      9:1        12:1786     13:495      14:2216     15:59     
  16:9        17:284      18:78       20:58       23:3224     24:2619   
  25:4        27:2524     31:2848     32:101      35:43       36:941    
  37:3176     38:1821     39:314      40:132      41:3272     42:880    
  43:2127     44:185      45:12907    46:3616     47:274      49:1432   
  50:1199     51:344      52:1112     54:274      55:649      56:6      
  57:48       58:1747     59:1117     60:687      61:2223     62:2125   
  63:1907     64:5033     65:2327     66:4826     67:2830     68:1234   
  69:3808     70:1409     71:666      72:2776     74:2622     75:1435   
  76:661      77:2552     78:1989     79:2380     80:1852     81:1549   
  82:1202     83:1118     84:1231     85:2574     86:579      87:1677   
  88:1070     89:2669     90:278      91:7480     92:1451     93:2430   
  94:2592     95:3707     96:1006     97:337      98:961      99:965    
 100:85      101:1082    102:769     103:22947   104:3619    105:364    
 106:828     107:1872    108:688     109:3617    110:1773    111:1920   
 112:1535    113:1377    114:1483    115:1838    116:1798    117:2016   
 118:2110    119:1687    120:835     121:1030    122:2369    123:1888   
 124:1549    125:2018    128:1370    129:912     130:600     131:1849   
 132:772     133:301     134:1255    135:273     136:604     137:876    
 138:2193    139:991     140:594     141:881     142:857     143:1155   
 144:936     145:293     146:1468    147:999     148:1895    149:1106   
 150:811     151:1260    152:1473    153:370     154:4648    155:905    
 156:3094    157:1089    158:703     159:1946    160:1712    161:986    
 162:3023    163:776     164:1501    165:1221    166:536     167:1462   
 168:3570    169:487     170:4195    171:742     172:1846    173:2350   
 174:1036    175:1009    176:2581    177:4152    178:2849    179:1409   
 180:2183    181:2383    182:2835    183:1121    184:2385    185:15882  
 186:3729    187:2585    188:3492    189:2077    190:8222    191:1439   
 192:10203   193:7307    194:5953    195:4276    196:3366    197:1839   
 198:6097    199:5945    200:7177    201:5117    202:10447   203:10148  
 204:4538    205:3074    206:3251    207:3253    208:4010    209:4340   
 210:3997    211:1990    212:3217    213:2982    214:1134    215:53     
 216:5923    217:2326    218:895     219:607     220:1983    221:934    
 222:1012    223:1392   

End of report