Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 3 18:02:46 CST 2017


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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 Nov, 2017

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

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

BGP routing table entries examined:                              667790
    Prefixes after maximum aggregation (per Origin AS):          260185
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      322511
Total ASes present in the Internet Routing Table:                 58913
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           50897
Origin ASes announcing only one prefix:                           22398
Transit ASes present in the Internet Routing Table:                8016
Transit-only ASes present in the Internet Routing Table:            242
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      35
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                95
    Number of instances of unregistered ASNs:                        95
Number of 32-bit ASNs allocated by the RIRs:                      20457
Number of 32-bit ASNs visible in the Routing Table:               16298
Prefixes from 32-bit ASNs in the Routing Table:                   67031
Number of bogon 32-bit ASNs visible in the Routing Table:           112
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            398
Number of addresses announced to Internet:                   2857996768
    Equivalent to 170 /8s, 89 /16s and 145 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      219841

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

Prefixes being announced by APNIC Region ASes:                   184650
    Total APNIC prefixes after maximum aggregation:               52789
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          183706
    Unique aggregates announced from the APNIC address blocks:    75656
APNIC Region origin ASes present in the Internet Routing Table:    8454
    APNIC Prefixes per ASN:                                       21.73
APNIC Region origin ASes announcing only one prefix:               2365
APNIC Region transit ASes present in the Internet Routing Table:   1217
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3310
Number of APNIC addresses announced to Internet:              766542560
    Equivalent to 45 /8s, 176 /16s and 130 /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, 131072-137529
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:                    200115
    Total ARIN prefixes after maximum aggregation:                96679
    ARIN Deaggregation factor:                                     2.07
Prefixes being announced from the ARIN address blocks:           201624
    Unique aggregates announced from the ARIN address blocks:     94254
ARIN Region origin ASes present in the Internet Routing Table:    18002
    ARIN Prefixes per ASN:                                        11.20
ARIN Region origin ASes announcing only one prefix:                6656
ARIN Region transit ASes present in the Internet Routing Table:    1778
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2244
Number of ARIN addresses announced to Internet:              1110413088
    Equivalent to 66 /8s, 47 /16s and 143 /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, 393216-397212
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,  45/8,  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:                    179438
    Total RIPE prefixes after maximum aggregation:                87653
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           175348
    Unique aggregates announced from the RIPE address blocks:    105914
RIPE Region origin ASes present in the Internet Routing Table:    24546
    RIPE Prefixes per ASN:                                         7.14
RIPE Region origin ASes announcing only one prefix:               11215
RIPE Region transit ASes present in the Internet Routing Table:    3486
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6326
Number of RIPE addresses announced to Internet:               713549696
    Equivalent to 42 /8s, 135 /16s and 231 /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
                       196608-207259
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:                   85724
    Total LACNIC prefixes after maximum aggregation:              19069
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:          86983
    Unique aggregates announced from the LACNIC address blocks:   39126
LACNIC Region origin ASes present in the Internet Routing Table:   6538
    LACNIC Prefixes per ASN:                                      13.30
LACNIC Region origin ASes announcing only one prefix:              1816
LACNIC Region transit ASes present in the Internet Routing Table:  1198
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4055
Number of LACNIC addresses announced to Internet:             172476000
    Equivalent to 10 /8s, 71 /16s and 198 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  17766
    Total AfriNIC prefixes after maximum aggregation:              3923
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         19731
    Unique aggregates announced from the AfriNIC address blocks:   7234
AfriNIC Region origin ASes present in the Internet Routing Table:  1094
    AfriNIC Prefixes per ASN:                                     18.04
AfriNIC Region origin ASes announcing only one prefix:              345
AfriNIC Region transit ASes present in the Internet Routing Table:  214
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  363
Number of AfriNIC addresses announced to Internet:             94518528
    Equivalent to 5 /8s, 162 /16s and 61 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 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
  4538         5271       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4110        410     412  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2788      11128     754  KIXS-AS-KR Korea Telecom, KR
 17974         2783        900      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2766       1499     541  BSNL-NIB National Internet Backbone, IN
 45899         2405       1494     147  VNPT-AS-VN VNPT Corp, VN
  9808         2396       8699      32  CMNET-GD Guangdong Mobile Communication
  9394         2176       4931      27  CTTNET China TieTong Telecommunications
  7552         2126       1157      65  VIETEL-AS-AP Viettel Corporation, VN
  4755         2113        422     221  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
  6327         3335       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3292       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2175        405     107  MEGAPATH5-US - MegaPath Corporation, US
 20115         2052       2289     421  CHARTER-NET-HKY-NC - Charter Communicat
  6389         2045       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1942       5063     648  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1881       4035     567  AMAZON-02 - Amazon.com, Inc., US
 30036         1842        330     283  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1627        237     571  CABLEONE - CABLE ONE, INC., US
   701         1578      10589     627  UUNET - MCI Communications Services, In

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
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2840        850    2051  AKAMAI-ASN1, US
  8551         2499        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2064        329     427  TELLCOM-AS, TR
 12389         1893       1694     717  ROSTELECOM-AS, RU
 12479         1852       1064      87  UNI2-AS, ES
  9121         1806       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1206        544      14  CORBINA-AS OJSC "Vimpelcom", RU

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
 10620         3549        538     282  Telmex Colombia S.A., CO
  8151         3444       3421     582  Uninet S.A. de C.V., MX
 11830         2333        367      41  Instituto Costarricense de Electricidad
  6503         1598        437      53  Axtel, S.A.B. de C.V., MX
  7303         1484       1016     194  Telecom Argentina S.A., AR
  6147         1274        377      27  Telefonica del Peru S.A.A., PE
  3816         1031        509     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1001       2289     179  CLARO S.A., BR
 11172          913        126      86  Alestra, S. de R.L. de C.V., MX
 18881          902       1060      26  TELEFÔNICA BRASIL S.A, BR

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         1226        398      49  LINKdotNET-AS, EG
 37611          778         91       8  Afrihost, ZA
 36903          704        354     142  MT-MPLS, MA
 36992          668       1383      31  ETISALAT-MISR, EG
 24835          515        850      15  RAYA-AS, EG
  8452          506       1730      17  TE-AS TE-AS, EG
 29571          431         36      10  CITelecom-AS, CI
 37492          420        367      77  ORANGE-, TN
 15399          352         35       7  WANANCHI-, KE
 23889          302        103      14  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
  4538         5271       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4110        410     412  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3549        538     282  Telmex Colombia S.A., CO
  8151         3444       3421     582  Uninet S.A. de C.V., MX
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  6327         3335       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3292       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 20940         2840        850    2051  AKAMAI-ASN1, US
  4766         2788      11128     754  KIXS-AS-KR Korea Telecom, KR
 17974         2783        900      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  7545       4110         3698   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
 10620       3549         3267   Telmex Colombia S.A., CO
  6327       3335         3249   SHAW - Shaw Communications Inc., CA
 22773       3292         3135   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3444         2862   Uninet S.A. de C.V., MX
 17974       2783         2705   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2499         2457   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2396         2364   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 11830       2333         2292   Instituto Costarricense de Electricidad y Telec

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
3489671207   UNALLOCATED  64.53.36.0/24        10279       WCCL-AS - West Carolina Commun
  65543   DOCUMENT     79.98.33.0/24        43950       SPILSBY-AS ===================

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

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/23       10247    NETLINE, ZA
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ

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        /8:15       /9:13      /10:36      /11:106     /12:285     
/13:552     /14:1053    /15:1865    /16:13397   /17:7746    /18:13608   
/19:25259   /20:39160   /21:43306   /22:80799   /23:66438   /24:371936  
/25:848     /26:619     /27:648     /28:35      /29:21      /30:16      
/31:2       /32:27      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3129          3335    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2529          3292    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2070          2175    MEGAPATH5-US - MegaPath Corporation, US
  8551     1963          2499    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     1703          2333    Instituto Costarricense de Electricidad y Telec
 30036     1613          1842    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1537          3549    Telmex Colombia S.A., CO
 11492     1447          1627    CABLEONE - CABLE ONE, INC., US
 34984     1370          2064    TELLCOM-AS, TR

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

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

   1:1564      2:839       4:18        5:2502      6:36        8:1065   
   9:1        12:1854     13:165      14:1725     15:29       16:3      
  17:179      18:77       20:59       23:2483     24:1681     25:2      
  27:2367     31:1950     32:87       35:21       36:447      37:2383   
  38:1415     39:77       40:99       41:3045     42:517      43:1928   
  44:86       45:3193     46:2831     47:171      49:1336     50:1020   
  51:19       52:879      54:353      55:2        56:4        57:42     
  58:1570     59:992      60:360      61:2019     62:1741     63:1845   
  64:4587     65:2225     66:4453     67:2299     68:1185     69:3163   
  70:1129     71:588      72:2090     74:2622     75:389      76:411    
  77:1514     78:1553     79:1948     80:1415     81:1408     82:1060   
  83:747      84:986      85:1946     86:469      87:1214     88:862    
  89:2282     90:174      91:6227     92:1027     93:2316     94:2405   
  95:2675     96:648      97:352      98:957      99:101     100:153    
 101:1226    102:1       103:16102   104:3091    105:209     106:565    
 107:1737    108:831     109:2906    110:1508    111:1759    112:1244   
 113:1290    114:1053    115:1573    116:1645    117:1821    118:2148   
 119:1656    120:898     121:1075    122:2437    123:1880    124:1496   
 125:1818    128:957     129:663     130:446     131:1506    132:596    
 133:193     134:826     135:227     136:435     137:476     138:1954   
 139:540     140:381     141:671     142:747     143:911     144:806    
 145:189     146:1116    147:704     148:1490    149:613     150:712    
 151:995     152:720     153:300     154:925     155:747     156:716    
 157:746     158:600     159:1603    160:807     161:727     162:2504   
 163:513     164:991     165:1448    166:390     167:1335    168:3038   
 169:819     170:3541    171:392     172:1006    173:1896    174:818    
 175:775     176:1865    177:3962    178:2477    179:1124    180:2220   
 181:2103    182:2413    183:815     184:884     185:11268   186:3311   
 187:2362    188:2566    189:1924    190:8161    191:1345    192:9702   
 193:5865    194:4732    195:3963    196:2229    197:1270    198:5525   
 199:5873    200:7177    201:4628    202:10353   203:10006   204:4530   
 205:2861    206:3015    207:3117    208:3974    209:3884    210:3931   
 211:2068    212:2844    213:2578    214:860     215:67      216:5689   
 217:2109    218:920     219:601     220:1676    221:939     222:722    
 223:1287   

End of report


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