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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 15 Feb, 2020

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

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

BGP routing table entries examined:                              796453
    Prefixes after maximum aggregation (per Origin AS):          302903
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      388935
Total ASes present in the Internet Routing Table:                 67034
    Prefixes per ASN:                                             11.88
Origin-only ASes present in the Internet Routing Table:           57605
Origin ASes announcing only one prefix:                           24203
Transit ASes present in the Internet Routing Table:                9429
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:              1206
    Number of instances of unregistered ASNs:                      1211
Number of 32-bit ASNs allocated by the RIRs:                      30539
Number of 32-bit ASNs visible in the Routing Table:               25146
Prefixes from 32-bit ASNs in the Routing Table:                  115415
Number of bogon 32-bit ASNs visible in the Routing Table:            27
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:           1140
Number of addresses announced to Internet:                   2853769856
    Equivalent to 170 /8s, 25 /16s and 18 /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:      267927

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

Prefixes being announced by APNIC Region ASes:                   210542
    Total APNIC prefixes after maximum aggregation:               61326
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203888
    Unique aggregates announced from the APNIC address blocks:    84909
APNIC Region origin ASes present in the Internet Routing Table:   10333
    APNIC Prefixes per ASN:                                       19.73
APNIC Region origin ASes announcing only one prefix:               2850
APNIC Region transit ASes present in the Internet Routing Table:   1547
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:   5393
Number of APNIC addresses announced to Internet:              768105472
    Equivalent to 45 /8s, 200 /16s and 92 /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:                    234049
    Total ARIN prefixes after maximum aggregation:               107635
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           231769
    Unique aggregates announced from the ARIN address blocks:    117202
ARIN Region origin ASes present in the Internet Routing Table:    18401
    ARIN Prefixes per ASN:                                        12.60
ARIN Region origin ASes announcing only one prefix:                6745
ARIN Region transit ASes present in the Internet Routing Table:    1907
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:              1079268096
    Equivalent to 64 /8s, 84 /16s and 83 /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:                    225404
    Total RIPE prefixes after maximum aggregation:               104630
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           222153
    Unique aggregates announced from the RIPE address blocks:    130495
RIPE Region origin ASes present in the Internet Routing Table:    26832
    RIPE Prefixes per ASN:                                         8.28
RIPE Region origin ASes announcing only one prefix:               11716
RIPE Region transit ASes present in the Internet Routing Table:    3797
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:    8919
Number of RIPE addresses announced to Internet:               723808640
    Equivalent to 43 /8s, 36 /16s and 113 /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:                  103684
    Total LACNIC prefixes after maximum aggregation:              24061
    LACNIC Deaggregation factor:                                   4.31
Prefixes being announced from the LACNIC address blocks:         104842
    Unique aggregates announced from the LACNIC address blocks:   45461
LACNIC Region origin ASes present in the Internet Routing Table:   9435
    LACNIC Prefixes per ASN:                                      11.11
LACNIC Region origin ASes announcing only one prefix:              2405
LACNIC Region transit ASes present in the Internet Routing Table:  1772
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:  7008
Number of LACNIC addresses announced to Internet:             174259712
    Equivalent to 10 /8s, 98 /16s and 254 /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:                  21567
    Total AfriNIC prefixes after maximum aggregation:              4485
    AfriNIC Deaggregation factor:                                  4.81
Prefixes being announced from the AfriNIC address blocks:         32661
    Unique aggregates announced from the AfriNIC address blocks:   9859
AfriNIC Region origin ASes present in the Internet Routing Table:  1369
    AfriNIC Prefixes per ASN:                                     23.86
AfriNIC Region origin ASes announcing only one prefix:              487
AfriNIC Region transit ASes present in the Internet Routing Table:  269
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:  656
Number of AfriNIC addresses announced to Internet:            107584000
    Equivalent to 6 /8s, 105 /16s and 154 /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        5300        658     615  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4623       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3319       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899        3130       1793     109  VNPT-AS-VN VNPT Corp, VN
  7713        2701        831     494  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2619       9043      62  CMNET-GD Guangdong Mobile Communication
  4766        2288      11102     561  KIXS-AS-KR Korea Telecom, KR
  9498        2235        433     214  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2137        441     192  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        4048        280      28  VIASAT-SP-BACKBONE, US
 11492        3941        261     637  CABLEONE, US
 16509        3826       7812    1690  AMAZON-02, US
 22773        3527       2971     151  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3364       1324      92  SHAW, CA
 16625        2978       1562    2136  AKAMAI-AS, US
   209        2344       5075     529  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2305        359      94  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2149       3022    1520  FRONTIER-FRTR, US
 20115        2142       2793     519  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        5899       1615     129  UNI2-AS, ES
 31334        3947        484      13  KABELDEUTSCHLAND-AS, DE
 39891        3776        203      20  ALJAWWALSTC-AS, SA
  8551        3230        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        2865        453    1969  AKAMAI-ASN1, US
 12389        2475       2248     731  ROSTELECOM-AS, RU
 34984        2070        348     557  TELLCOM-AS, TR
  9009        2046        214    1093  M247, GB
  9121        1917       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        6237       3295     601  Uninet S.A. de C.V., MX
 10620        3358        533     464  Telmex Colombia S.A., CO
 11830        2682        369      63  Instituto Costarricense de Electricidad
  6503        1681        323     389  Axtel, S.A.B. de C.V., MX
  7303        1550       1030     266  Telecom Argentina S.A., AR
 28573        1327       2229     189  CLARO S.A., BR
 13999        1217        506     293  Mega Cable, S.A. de C.V., MX
  6147        1119        379      39  Telefonica del Peru S.A.A., PE
  3816        1114        562     135  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        1235        393      22  LINKdotNET-AS, EG
 24835        1070        566      24  RAYA-AS, EG
 36992        1044       1535      74  ETISALAT-MISR, EG
 36903         876        452      97  MT-MPLS, MA
  6713         603       1863      34  IAM-AS, MA
 29571         560         68      12  ORANGE-COTE-IVOIRE, CI
 37342         482         32       1  MOVITEL, MZ
 36935         383        522      40  Vodafone-, EG
 23889         370        231      15  MauritiusTelecom, MU
 15399         363         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        6237       3295     601  Uninet S.A. de C.V., MX
 12479        5899       1615     129  UNI2-AS, ES
  7545        5300        658     615  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4623       4192      73  ERX-CERNET-BKB China Education and Rese
  7155        4048        280      28  VIASAT-SP-BACKBONE, US
 31334        3947        484      13  KABELDEUTSCHLAND-AS, DE
 11492        3941        261     637  CABLEONE, US
 16509        3826       7812    1690  AMAZON-02, US
 39891        3776        203      20  ALJAWWALSTC-AS, SA
 22773        3527       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        5899         5770  UNI2-AS, ES
  7545        5300         4685  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4623         4550  ERX-CERNET-BKB China Education and Research Net
  7155        4048         4020  VIASAT-SP-BACKBONE, US
 31334        3947         3934  KABELDEUTSCHLAND-AS, DE
 39891        3776         3756  ALJAWWALSTC-AS, SA
 22773        3527         3376  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3941         3304  CABLEONE, US
  7552        3319         3295  VIETEL-AS-AP Viettel Group, VN
  6327        3364         3272  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      /12:285     
/13:579     /14:1159    /15:1919    /16:13403   /17:8165    /18:13851   
/19:25800   /20:40479   /21:47630   /22:98546   /23:81247   /24:461938  
/25:1295    /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        4873        5899  UNI2-AS, ES
 31334        3792        3947  KABELDEUTSCHLAND-AS, DE
  6327        3153        3364  SHAW, CA
  7155        3139        4048  VIASAT-SP-BACKBONE, US
 11492        3075        3941  CABLEONE, US
 39891        2946        3776  ALJAWWALSTC-AS, SA
 22773        2742        3527  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2690        3230  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2053        2305  MEDIACOM-ENTERPRISE-BUSINESS, US
  8151        2051        6237  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)
----------------------------------------------

   1:1510      2:1147      3:30        4:19        5:3291      6:48     
   8:1378      9:1        12:1788     13:492      14:2239     15:74     
  16:9        17:286      18:79       20:58       23:3325     24:2640   
  25:4        27:2494     31:2911     32:102      35:40       36:931    
  37:3243     38:1842     39:315      40:132      41:3330     42:873    
  43:2118     44:190      45:13366    46:3653     47:276      49:1390   
  50:1575     51:87       52:1112     54:272      55:688      56:6      
  57:48       58:1877     59:1122     60:683      61:2214     62:2163   
  63:1943     64:5069     65:2313     66:4849     67:2854     68:1220   
  69:3821     70:1430     71:671      72:2775     74:2631     75:1440   
  76:673      77:2550     78:1973     79:2340     80:1847     81:1568   
  82:1205     83:1127     84:1239     85:2497     86:554      87:1706   
  88:1073     89:2699     90:313      91:7543     92:1493     93:2440   
  94:2608     95:3718     96:1012     97:337      98:965      99:967    
 100:86      101:1085    102:802     103:23128   104:3600    105:412    
 106:829     107:1927    108:709     109:3775    110:1775    111:1979   
 112:1564    113:1383    114:1373    115:1846    116:1773    117:2043   
 118:2123    119:1713    120:841     121:1035    122:2364    123:1898   
 124:1541    125:2029    128:1375    129:917     130:614     131:1821   
 132:781     133:300     134:1223    135:277     136:599     137:899    
 138:2188    139:986     140:592     141:875     142:870     143:1164   
 144:951     145:326     146:1477    147:1017    148:2063    149:1110   
 150:809     151:1280    152:1481    153:373     154:4716    155:903    
 156:3299    157:1078    158:736     159:1936    160:1732    161:1011   
 162:3020    163:777     164:1419    165:1237    166:544     167:1471   
 168:3598    169:497     170:4273    171:740     172:1878    173:2374   
 174:1032    175:1014    176:2620    177:4188    178:3001    179:1469   
 180:2171    181:2370    182:2844    183:1111    184:2396    185:16082  
 186:3815    187:2547    188:4064    189:2112    190:8251    191:1441   
 192:10266   193:7344    194:6016    195:4285    196:3393    197:1888   
 198:6124    199:5925    200:7148    201:5120    202:10417   203:10237  
 204:4548    205:3080    206:3257    207:3273    208:4001    209:4369   
 210:4003    211:1988    212:3254    213:3006    214:1167    215:53     
 216:5942    217:2343    218:880     219:603     220:1982    221:913    
 222:1004    223:1407   

End of report