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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 26 Sep, 2020

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

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

BGP routing table entries examined:                              824471
    Prefixes after maximum aggregation (per Origin AS):          314015
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      397093
Total ASes present in the Internet Routing Table:                 69524
    Prefixes per ASN:                                             11.86
Origin-only ASes present in the Internet Routing Table:           59756
Origin ASes announcing only one prefix:                           24792
Transit ASes present in the Internet Routing Table:                9768
Transit-only ASes present in the Internet Routing Table:            303
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      47
    Max AS path prepend of ASN ( 37385)                              44
Prefixes from unregistered ASNs in the Routing Table:               820
    Number of instances of unregistered ASNs:                       821
Number of 32-bit ASNs allocated by the RIRs:                      33590
Number of 32-bit ASNs visible in the Routing Table:               27777
Prefixes from 32-bit ASNs in the Routing Table:                  128970
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:            450
Number of addresses announced to Internet:                   2860807040
    Equivalent to 170 /8s, 132 /16s and 115 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    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:      276203

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

Prefixes being announced by APNIC Region ASes:                   217224
    Total APNIC prefixes after maximum aggregation:               63643
    APNIC Deaggregation factor:                                    3.41
Prefixes being announced from the APNIC address blocks:          211056
    Unique aggregates announced from the APNIC address blocks:    86763
APNIC Region origin ASes present in the Internet Routing Table:   10879
    APNIC Prefixes per ASN:                                       19.40
APNIC Region origin ASes announcing only one prefix:               3045
APNIC Region transit ASes present in the Internet Routing Table:   1595
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5991
Number of APNIC addresses announced to Internet:              779088640
    Equivalent to 46 /8s, 111 /16s and 243 /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:                    241033
    Total ARIN prefixes after maximum aggregation:               110964
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           238753
    Unique aggregates announced from the ARIN address blocks:    116753
ARIN Region origin ASes present in the Internet Routing Table:    18609
    ARIN Prefixes per ASN:                                        12.83
ARIN Region origin ASes announcing only one prefix:                6800
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:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3435
Number of ARIN addresses announced to Internet:              1087964672
    Equivalent to 64 /8s, 217 /16s and 6 /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:                    230675
    Total RIPE prefixes after maximum aggregation:               108328
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           226747
    Unique aggregates announced from the RIPE address blocks:    135835
RIPE Region origin ASes present in the Internet Routing Table:    27411
    RIPE Prefixes per ASN:                                         8.27
RIPE Region origin ASes announcing only one prefix:               11825
RIPE Region transit ASes present in the Internet Routing Table:    3864
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9524
Number of RIPE addresses announced to Internet:               709228416
    Equivalent to 42 /8s, 69 /16s and 247 /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:                  110916
    Total LACNIC prefixes after maximum aggregation:              25652
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:         112083
    Unique aggregates announced from the LACNIC address blocks:   47710
LACNIC Region origin ASes present in the Internet Routing Table:  10517
    LACNIC Prefixes per ASN:                                      10.66
LACNIC Region origin ASes announcing only one prefix:              2624
LACNIC Region transit ASes present in the Internet Routing Table:  1963
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8102
Number of LACNIC addresses announced to Internet:             174387968
    Equivalent to 10 /8s, 100 /16s and 243 /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:                  23802
    Total AfriNIC prefixes after maximum aggregation:              4768
    AfriNIC Deaggregation factor:                                  4.99
Prefixes being announced from the AfriNIC address blocks:         35382
    Unique aggregates announced from the AfriNIC address blocks:   9658
AfriNIC Region origin ASes present in the Internet Routing Table:  1429
    AfriNIC Prefixes per ASN:                                     24.76
AfriNIC Region origin ASes announcing only one prefix:              498
AfriNIC Region transit ASes present in the Internet Routing Table:  289
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  725
Number of AfriNIC addresses announced to Internet:            109714176
    Equivalent to 6 /8s, 138 /16s and 27 /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        5660        766     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4751       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3585       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3239       1896      51  VNPT-AS-VN VNPT Corp, VN
  7713        2713        829     625  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2542       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2349      11103     554  KIXS-AS-KR Korea Telecom, KR
  9498        2300        450     231  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2145        441     193  TATACOMM-AS TATA Communications formerl
 45090        1995        845      56  CNNIC-TENCENT-NET-AP Shenzhen Tencent C

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        4584        307     665  CABLEONE, US
 16509        4320       8334    1997  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3647       2985     180  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3349       1323      82  SHAW, CA
 16625        3136       1645    2250  AKAMAI-AS, US
   209        2482       5060     522  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2468        367     104  MEDIACOM-ENTERPRISE-BUSINESS, US
 26484        2412        151     324  IKGUL-26484, US
  5650        2312       2981    1625  FRONTIER-FRTR, 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        6157       1652     136  UNI2-AS, ES
 39891        3652        203      21  ALJAWWALSTC-AS, SA
  8551        3438        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3191       2216    1024  AKAMAI-ASN1, EU
 12389        2753       2275     864  ROSTELECOM-AS, RU
 34984        2197        355     573  TELLCOM-AS, TR
  9009        2182        232    1181  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1338        157     603  ASDETUK http://www.heficed.com, GB
 58224        1252        836     523  TCI, IR

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        8060       3323     606  Uninet S.A. de C.V., MX
 10620        3390        531     509  Telmex Colombia S.A., CO
 11830        2565        369      63  Instituto Costarricense de Electricidad
  6503        1626        323     414  Axtel, S.A.B. de C.V., MX
  7303        1480        951     271  Telecom Argentina S.A., AR
 13999        1436        456     383  Mega Cable, S.A. de C.V., MX
 28573        1371       2251     219  CLARO S.A., BR
  3816        1150        576     157  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1141        379      39  Telefonica del Peru S.A.A., PE
 11172         959        111      70  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        1431        393      22  LINKdotNET-AS, EG
 36992        1169       1534      99  ETISALAT-MISR, EG
 24835        1106        464      28  RAYA-AS, EG
 36903         918        480      94  MT-MPLS, MA
 29571         696         68      12  ORANGE-COTE-IVOIRE, CI
  6713         553       1863      34  IAM-AS, MA
 15399         495         46      15  WANANCHI-, KE
 37342         481         32       1  MOVITEL, MZ
 36935         450        519      37  Vodafone-, EG
 23889         345        232      16  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        8060       3323     606  Uninet S.A. de C.V., MX
 12479        6157       1652     136  UNI2-AS, ES
  7545        5660        766     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4751       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4584        307     665  CABLEONE, US
 16509        4320       8334    1997  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 39891        3652        203      21  ALJAWWALSTC-AS, SA
 22773        3647       2985     180  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3585       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        6157         6021  UNI2-AS, ES
  7545        5660         4986  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4751         4678  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4584         3919  CABLEONE, US
 39891        3652         3631  ALJAWWALSTC-AS, SA
  7552        3585         3564  VIETEL-AS-AP Viettel Group, VN
 22773        3647         3467  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        3438         3393  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  6327        3349         3267  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
     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
     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
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US
     46505  UNALLOCATED  12.7.131.0/24             7018  ATT-INTERNET4, 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
23.142.80.0/24       Origin:     10753  LVLT-10753, US
                    Transit:      3356  LEVEL3, US
23.157.0.0/24        Origin:    395101  UNASSIGNED
                    Transit:     33657  CMCS, 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 No. 14, Jala
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala

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        /9:12      /10:39      /11:100     /12:286     
/13:577     /14:1175    /15:1934    /16:13480   /17:8296    /18:14002   
/19:25594   /20:41188   /21:49430   /22:102534  /23:85880   /24:478657  
/25:1278    /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        5127        6157  UNI2-AS, ES
 11492        3673        4584  CABLEONE, US
  6327        3146        3349  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
  8551        2897        3438  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2818        3647  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2801        3652  ALJAWWALSTC-AS, SA
  8151        2799        8060  Uninet S.A. de C.V., MX
 30036        2211        2468  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1995        2312  FRONTIER-FRTR, US

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

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

   1:1638      2:1163      3:33        4:19        5:3591      6:54     
   8:1471      9:1        11:1        12:1768     13:354      14:2349   
  15:72       16:8        17:295      18:88       20:110      23:4016   
  24:2341     25:3        27:2326     31:2168     32:122      34:1      
  35:42       36:990      37:3489     38:1898     39:465      40:143    
  41:3708     42:638      43:2160     44:217      45:14929    46:3536   
  47:319      49:1527     50:1643     51:90       52:1114     54:230    
  55:680      56:6        57:53       58:1627     59:1170     60:791    
  61:2310     62:2166     63:2010     64:5259     65:2368     66:5067   
  67:2889     68:1166     69:4078     70:1397     71:678      72:2966   
  74:2568     75:1456     76:670      77:1974     78:1656     79:2630   
  80:2065     81:1604     82:1324     83:1261     84:1239     85:2680   
  86:561      87:1794     88:934      89:2822     90:386      91:7157   
  92:1567     93:2502     94:2807     95:3396     96:1252     97:340    
  98:920      99:984     100:87      101:1024    102:1086    103:24473  
 104:3555    105:382     106:895     107:2109    108:709     109:3770   
 110:1965    111:2345    112:1638    113:1453    114:1530    115:1836   
 116:1823    117:2104    118:2172    119:1743    120:911     121:1053   
 122:2555    123:2031    124:1633    125:2131    128:1379    129:1247   
 130:719     131:1940    132:763     133:306     134:1379    135:331    
 136:622     137:875     138:2283    139:1051    140:721     141:1086   
 142:967     143:1225    144:1162    145:367     146:1397    147:1254   
 148:2139    149:1200    150:761     151:1331    152:1560    153:435    
 154:4512    155:1231    156:3013    157:1114    158:879     159:1988   
 160:1962    161:1074    162:3169    163:871     164:1502    165:1319   
 166:592     167:1661    168:3518    169:616     170:4363    171:776    
 172:1989    173:2748    174:975     175:1049    176:2802    177:4298   
 178:2699    179:1810    180:2277    181:2549    182:3114    183:1444   
 184:2436    185:16966   186:3894    187:3013    188:3324    189:2682   
 190:9013    191:1434    192:10462   193:7700    194:6287    195:4545   
 196:3125    197:2048    198:6094    199:5932    200:7279    201:5226   
 202:10570   203:10205   204:4642    205:3108    206:3190    207:3264   
 208:4015    209:4466    210:4195    211:2078    212:3518    213:3270   
 214:1177    215:60      216:6122    217:2473    218:853     219:614    
 220:2045    221:916     222:978     223:1651   

End of report