[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 3 18:03:20 UTC 2020


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 at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 04 Jul, 2020

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

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

BGP routing table entries examined:                              816292
    Prefixes after maximum aggregation (per Origin AS):          310189
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      397059
Total ASes present in the Internet Routing Table:                 68553
    Prefixes per ASN:                                             11.91
Origin-only ASes present in the Internet Routing Table:           58924
Origin ASes announcing only one prefix:                           24515
Transit ASes present in the Internet Routing Table:                9629
Transit-only ASes present in the Internet Routing Table:            295
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 22394)                              38
Prefixes from unregistered ASNs in the Routing Table:               818
    Number of instances of unregistered ASNs:                       819
Number of 32-bit ASNs allocated by the RIRs:                      32317
Number of 32-bit ASNs visible in the Routing Table:               26698
Prefixes from 32-bit ASNs in the Routing Table:                  123167
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            539
Number of addresses announced to Internet:                   2843427328
    Equivalent to 169 /8s, 123 /16s and 66 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      275708

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

Prefixes being announced by APNIC Region ASes:                   213635
    Total APNIC prefixes after maximum aggregation:               62618
    APNIC Deaggregation factor:                                    3.41
Prefixes being announced from the APNIC address blocks:          207247
    Unique aggregates announced from the APNIC address blocks:    86062
APNIC Region origin ASes present in the Internet Routing Table:   10690
    APNIC Prefixes per ASN:                                       19.39
APNIC Region origin ASes announcing only one prefix:               3005
APNIC Region transit ASes present in the Internet Routing Table:   1592
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5768
Number of APNIC addresses announced to Internet:              770136192
    Equivalent to 45 /8s, 231 /16s and 88 /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:                    238973
    Total ARIN prefixes after maximum aggregation:               109556
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           236191
    Unique aggregates announced from the ARIN address blocks:    119918
ARIN Region origin ASes present in the Internet Routing Table:    18533
    ARIN Prefixes per ASN:                                        12.74
ARIN Region origin ASes announcing only one prefix:                6775
ARIN Region transit ASes present in the Internet Routing Table:    1901
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3306
Number of ARIN addresses announced to Internet:              1079399168
    Equivalent to 64 /8s, 86 /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:                    231779
    Total RIPE prefixes after maximum aggregation:               107648
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           228478
    Unique aggregates announced from the RIPE address blocks:    134640
RIPE Region origin ASes present in the Internet Routing Table:    27207
    RIPE Prefixes per ASN:                                         8.40
RIPE Region origin ASes announcing only one prefix:               11753
RIPE Region transit ASes present in the Internet Routing Table:    3835
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9292
Number of RIPE addresses announced to Internet:               709299328
    Equivalent to 42 /8s, 71 /16s and 12 /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
                       196608-213403
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:                  107765
    Total LACNIC prefixes after maximum aggregation:              24953
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:         108936
    Unique aggregates announced from the LACNIC address blocks:   46712
LACNIC Region origin ASes present in the Internet Routing Table:  10049
    LACNIC Prefixes per ASN:                                      10.84
LACNIC Region origin ASes announcing only one prefix:              2486
LACNIC Region transit ASes present in the Internet Routing Table:  1879
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        39
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7629
Number of LACNIC addresses announced to Internet:             174555136
    Equivalent to 10 /8s, 103 /16s and 128 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  23321
    Total AfriNIC prefixes after maximum aggregation:              4764
    AfriNIC Deaggregation factor:                                  4.90
Prefixes being announced from the AfriNIC address blocks:         34901
    Unique aggregates announced from the AfriNIC address blocks:   9272
AfriNIC Region origin ASes present in the Internet Routing Table:  1413
    AfriNIC Prefixes per ASN:                                     24.70
AfriNIC Region origin ASes announcing only one prefix:              496
AfriNIC Region transit ASes present in the Internet Routing Table:  279
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  703
Number of AfriNIC addresses announced to Internet:            109594880
    Equivalent to 6 /8s, 136 /16s and 73 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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        5518        724     655  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3439       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3169       1839     101  VNPT-AS-VN VNPT Corp, VN
  7713        2700        827     527  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2613       9043      60  CMNET-GD Guangdong Mobile Communication
  9498        2281        434     226  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2271      11101     552  KIXS-AS-KR Korea Telecom, KR
  4755        2133        441     193  TATACOMM-AS TATA Communications formerl
  9394        2034       4914      20  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
 11492        4460        299     633  CABLEONE, US
  7155        4036        264      27  VIASAT-SP-BACKBONE, US
 16509        4025       8145    1809  AMAZON-02, US
 22773        3572       2968     152  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3351       1324      90  SHAW, CA
 16625        3122       1628    2220  AKAMAI-AS, US
   209        2424       5075     530  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2420        365     161  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2305       2981    1622  FRONTIER-FRTR, US
 26484        2267        142     205  IKGUL-26484, 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        5826       1652     135  UNI2-AS, ES
 31334        5251        484      13  KABELDEUTSCHLAND-AS, DE
  8551        3168        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3078        451    2071  AKAMAI-ASN1, EU
 39891        2879        171      19  ALJAWWALSTC-AS, SA
 12389        2550       2263     757  ROSTELECOM-AS, RU
 34984        2160        354     566  TELLCOM-AS, TR
  9009        2159        226    1183  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1365        164     577  ASDETUK http://www.heficed.com, GB

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        6769       3328     597  Uninet S.A. de C.V., MX
 10620        3365        530     511  Telmex Colombia S.A., CO
 11830        2665        369      63  Instituto Costarricense de Electricidad
  6503        1719        326     387  Mega Cable, S.A. de C.V., MX
  7303        1519        988     253  Telecom Argentina S.A., AR
 13999        1430        513     339  Mega Cable, S.A. de C.V., MX
 28573        1406       2245     219  CLARO S.A., BR
  6147        1136        379      39  Telefonica del Peru S.A.A., PE
  3816        1113        571     149  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172         957        112      71  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        1489        393      22  LINKdotNET-AS, EG
 36992        1112       1539      76  ETISALAT-MISR, EG
 24835        1073        474      23  RAYA-AS, EG
 36903         917        480      93  MT-MPLS, MA
 29571         625         68      11  ORANGE-COTE-IVOIRE, CI
  6713         552       1863      34  IAM-AS, MA
 15399         492         45      12  WANANCHI-, KE
 37342         481         32       1  MOVITEL, MZ
 36935         437        522      40  Vodafone-, EG
 23889         344        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        6769       3328     597  Uninet S.A. de C.V., MX
 12479        5826       1652     135  UNI2-AS, ES
  7545        5518        724     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 31334        5251        484      13  KABELDEUTSCHLAND-AS, DE
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4460        299     633  CABLEONE, US
  7155        4036        264      27  VIASAT-SP-BACKBONE, US
 16509        4025       8145    1809  AMAZON-02, US
 22773        3572       2968     152  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3439       1330      21  VIETEL-AS-AP Viettel Group, VN

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        5826         5691  UNI2-AS, ES
 31334        5251         5238  KABELDEUTSCHLAND-AS, DE
  7545        5518         4863  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743         4670  ERX-CERNET-BKB China Education and Research Net
  7155        4036         4009  VIASAT-SP-BACKBONE, US
 11492        4460         3827  CABLEONE, US
 22773        3572         3420  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3439         3418  VIETEL-AS-AP Viettel Group, VN
  6327        3351         3261  SHAW, CA
  8551        3168         3123  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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
     22357  UNALLOCATED  8.7.108.0/24              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
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
     26584  UNALLOCATED  8.42.62.0/23               209  CENTURYLINK-US-LEGACY-QWEST,
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             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
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
27.126.158.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
41.67.208.0/21       Origin:     15964  CAMNET-AS, CM
                    Transit:     12956  TELEFONICA TELXIUS, ES

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        /8:9        /9:11      /10:38      /11:100     /12:287     
/13:578     /14:1169    /15:1915    /16:13370   /17:8231    /18:13970   
/19:25899   /20:40910   /21:48611   /22:101364  /23:83849   /24:474707  
/25:1274    /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
 31334        5100        5251  KABELDEUTSCHLAND-AS, DE
 12479        4849        5826  UNI2-AS, ES
 11492        3519        4460  CABLEONE, US
  6327        3140        3351  SHAW, CA
  7155        3128        4036  VIASAT-SP-BACKBONE, US
 22773        2779        3572  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2627        3168  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151        2449        6769  Uninet S.A. de C.V., MX
 39891        2417        2879  ALJAWWALSTC-AS, SA
 30036        2162        2420  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1543      2:1197      3:31        4:19        5:3393      6:52     
   8:1461      9:1        11:1        12:1778     13:513      14:2299   
  15:72       16:8        17:291      18:81       20:106      23:3757   
  24:2302     25:3        27:2560     31:3089     32:129      34:1      
  35:42       36:961      37:3273     38:1953     39:427      40:127    
  41:3682     42:617      43:2142     44:209      45:14680    46:3703   
  47:297      49:1470     50:1548     51:90       52:1103     54:226    
  55:683      56:6        57:51       58:1757     59:1176     60:762    
  61:2299     62:2140     63:1982     64:5236     65:2331     66:5011   
  67:2877     68:1176     69:4003     70:1404     71:680      72:2875   
  74:2575     75:1451     76:660      77:2910     78:1661     79:2385   
  80:1945     81:1660     82:1312     83:1257     84:1232     85:2619   
  86:548      87:1748     88:1167     89:2756     90:339      91:8075   
  92:1538     93:2508     94:2737     95:3929     96:1226     97:338    
  98:923      99:978     100:86      101:1002    102:998     103:23938  
 104:3450    105:401     106:911     107:2042    108:697     109:3643   
 110:1848    111:2029    112:1642    113:1360    114:1543    115:1827   
 116:1797    117:2105    118:2075    119:1715    120:833     121:1038   
 122:2442    123:2081    124:1567    125:2015    128:1383    129:1213   
 130:662     131:1872    132:771     133:302     134:1345    135:305    
 136:628     137:859     138:2197    139:1009    140:686     141:1003   
 142:934     143:1262    144:1034    145:328     146:1492    147:1019   
 148:2118    149:1183    150:826     151:1074    152:1496    153:414    
 154:4566    155:1059    156:2998    157:1131    158:854     159:1974   
 160:1920    161:1065    162:3102    163:829     164:1475    165:1301   
 166:562     167:1639    168:3535    169:568     170:4253    171:777    
 172:1941    173:2575    174:987     175:1059    176:2589    177:4211   
 178:3032    179:1516    180:2272    181:2500    182:3093    183:1155   
 184:2413    185:16568   186:3764    187:2863    188:4084    189:2445   
 190:8785    191:1350    192:10398   193:7568    194:6273    195:4434   
 196:3266    197:2029    198:6133    199:5883    200:7243    201:5254   
 202:10546   203:10275   204:4562    205:3129    206:3176    207:3283   
 208:4068    209:4466    210:4013    211:2025    212:3398    213:3140   
 214:1189    215:62      216:6047    217:2414    218:855     219:616    
 220:2018    221:950     222:1006    223:1515   

End of report


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