Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 27 18:02:48 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 28 Oct, 2017

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

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

BGP routing table entries examined:                              666071
    Prefixes after maximum aggregation (per Origin AS):          259795
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      322065
Total ASes present in the Internet Routing Table:                 58852
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           50848
Origin ASes announcing only one prefix:                           22395
Transit ASes present in the Internet Routing Table:                8004
Transit-only ASes present in the Internet Routing Table:            234
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      30
    Max AS path prepend of ASN (206156)                              26
Prefixes from unregistered ASNs in the Routing Table:                88
    Number of instances of unregistered ASNs:                        88
Number of 32-bit ASNs allocated by the RIRs:                      20390
Number of 32-bit ASNs visible in the Routing Table:               16223
Prefixes from 32-bit ASNs in the Routing Table:                   66799
Number of bogon 32-bit ASNs visible in the Routing Table:            21
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            385
Number of addresses announced to Internet:                   2857706336
    Equivalent to 170 /8s, 85 /16s and 35 /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:      219410

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

Prefixes being announced by APNIC Region ASes:                   184054
    Total APNIC prefixes after maximum aggregation:               52741
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          183169
    Unique aggregates announced from the APNIC address blocks:    75547
APNIC Region origin ASes present in the Internet Routing Table:    8433
    APNIC Prefixes per ASN:                                       21.72
APNIC Region origin ASes announcing only one prefix:               2350
APNIC Region transit ASes present in the Internet Routing Table:   1211
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3283
Number of APNIC addresses announced to Internet:              766194656
    Equivalent to 45 /8s, 171 /16s and 51 /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:                    199932
    Total ARIN prefixes after maximum aggregation:                96511
    ARIN Deaggregation factor:                                     2.07
Prefixes being announced from the ARIN address blocks:           201370
    Unique aggregates announced from the ARIN address blocks:     94150
ARIN Region origin ASes present in the Internet Routing Table:    18008
    ARIN Prefixes per ASN:                                        11.18
ARIN Region origin ASes announcing only one prefix:                6660
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:    2237
Number of ARIN addresses announced to Internet:              1110357280
    Equivalent to 66 /8s, 46 /16s and 181 /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:                    178976
    Total RIPE prefixes after maximum aggregation:                87538
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           174947
    Unique aggregates announced from the RIPE address blocks:    105618
RIPE Region origin ASes present in the Internet Routing Table:    24529
    RIPE Prefixes per ASN:                                         7.13
RIPE Region origin ASes announcing only one prefix:               11210
RIPE Region transit ASes present in the Internet Routing Table:    3493
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:    6305
Number of RIPE addresses announced to Internet:               713466496
    Equivalent to 42 /8s, 134 /16s and 162 /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:                   85317
    Total LACNIC prefixes after maximum aggregation:              19009
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          86557
    Unique aggregates announced from the LACNIC address blocks:   39214
LACNIC Region origin ASes present in the Internet Routing Table:   6516
    LACNIC Prefixes per ASN:                                      13.28
LACNIC Region origin ASes announcing only one prefix:              1823
LACNIC Region transit ASes present in the Internet Routing Table:  1193
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:  4037
Number of LACNIC addresses announced to Internet:             172714208
    Equivalent to 10 /8s, 75 /16s and 104 /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:                  17702
    Total AfriNIC prefixes after maximum aggregation:              3921
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:         19643
    Unique aggregates announced from the AfriNIC address blocks:   7220
AfriNIC Region origin ASes present in the Internet Routing Table:  1095
    AfriNIC Prefixes per ASN:                                     17.94
AfriNIC Region origin ASes announcing only one prefix:              351
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:  361
Number of AfriNIC addresses announced to Internet:             94477824
    Equivalent to 5 /8s, 161 /16s and 158 /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         5270       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4017        408     407  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2787      11128     752  KIXS-AS-KR Korea Telecom, KR
 17974         2784        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2764       1499     541  BSNL-NIB National Internet Backbone, IN
  9808         2398       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2344       1490     147  VNPT-AS-VN VNPT Corp, VN
  9394         2174       4931      27  CTTNET China TieTong Telecommunications
  4755         2109        422     222  TATACOMM-AS TATA Communications formerl
  7552         2084       1170      77  VIETEL-AS-AP Viettel Corporation, VN

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         3344       1325      92  SHAW - Shaw Communications Inc., CA
 22773         3306       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2175        405     107  MEGAPATH5-US - MegaPath Corporation, US
  6389         2045       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2045       2281     435  CHARTER-NET-HKY-NC - Charter Communicat
   209         1947       5066     651  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1872       4035     567  AMAZON-02 - Amazon.com, Inc., US
 30036         1835        328     305  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1625        237     573  CABLEONE - CABLE ONE, INC., US
   701         1577      10589     626  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         2828        847    2053  AKAMAI-ASN1, US
  8551         2468        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2065        331     427  TELLCOM-AS, TR
 12389         1880       1679     714  ROSTELECOM-AS, RU
 12479         1815       1063      72  UNI2-AS, ES
  9121         1795       1691      17  TTNET, TR
 13188         1602        100      67  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1220        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         3547        538     286  Telmex Colombia S.A., CO
  8151         3222       3463     582  Uninet S.A. de C.V., MX
 11830         2329        367      41  Instituto Costarricense de Electricidad
  6503         1596        437      53  Axtel, S.A.B. de C.V., MX
  7303         1482       1014     195  Telecom Argentina S.A., AR
  6147         1272        377      27  Telefonica del Peru S.A.A., PE
  3816         1031        509     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1001       2304     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         1218        398      48  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          510       1730      17  TE-AS TE-AS, EG
 29571          428         36      10  CITelecom-AS, CI
 37492          416        354      77  ORANGE-, TN
 15399          356         35       7  WANANCHI-, KE
  2018          298        327      73  TENET-1, ZA

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         5270       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4017        408     407  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3547        538     286  Telmex Colombia S.A., CO
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  6327         3344       1325      92  SHAW - Shaw Communications Inc., CA
 22773         3306       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8151         3222       3463     582  Uninet S.A. de C.V., MX
 20940         2828        847    2053  AKAMAI-ASN1, US
  4766         2787      11128     752  KIXS-AS-KR Korea Telecom, KR
 17974         2784        900      77  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       4017         3610   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
 10620       3547         3261   Telmex Colombia S.A., CO
  6327       3344         3252   SHAW - Shaw Communications Inc., CA
 22773       3306         3148   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2784         2707   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8151       3222         2640   Uninet S.A. de C.V., MX
  8551       2468         2426   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2398         2366   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 11830       2329         2288   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
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  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
14.192.50.0/23       10247    NETLINE, ZA
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
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN

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    /15:1862    /16:13397   /17:7751    /18:13618   
/19:25274   /20:39127   /21:43017   /22:80637   /23:65697   /24:371409  
/25:847     /26:624     /27:651     /28:35      /29:21      /30:15      
/31:2       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3138          3344    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2527          3306    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2070          2175    MEGAPATH5-US - MegaPath Corporation, US
  8551     1932          2468    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     1699          2329    Instituto Costarricense de Electricidad y Telec
 30036     1607          1835    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1533          3547    Telmex Colombia S.A., CO
 11492     1445          1625    CABLEONE - CABLE ONE, INC., US
 34984     1369          2065    TELLCOM-AS, TR

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

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

   1:1573      2:840       4:18        5:2491      6:36        7:1      
   8:1064      9:1        12:1850     13:164      14:1712     15:29     
  16:3        17:176      18:76       20:60       23:2462     24:1677   
  25:2        27:2359     29:1        31:1941     32:87       35:21     
  36:424      37:2409     38:1415     39:79       40:99       41:3033   
  42:509      43:1928     44:85       45:3138     46:2825     47:171    
  49:1331     50:1019     51:19       52:872      54:353      55:1      
  56:4        57:43       58:1570     59:995      60:356      61:2020   
  62:1738     63:1845     64:4604     65:2226     66:4443     67:2303   
  68:1190     69:3163     70:1129     71:588      72:2093     74:2626   
  75:390      76:409      77:1513     78:1558     79:1948     80:1413   
  81:1409     82:1019     83:747      84:981      85:1943     86:468    
  87:1206     88:855      89:2255     90:174      91:6194     92:1033   
  93:2321     94:2398     95:2640     96:649      97:352      98:963    
  99:97      100:153     101:1306    102:1       103:16097   104:3077   
 105:209     106:577     107:1696    108:825     109:2870    110:1497   
 111:1758    112:1294    113:1260    114:1058    115:1578    116:1655   
 117:1841    118:2158    119:1654    120:913     121:1074    122:2435   
 123:1873    124:1496    125:1817    128:955     129:661     130:445    
 131:1499    132:603     133:193     134:809     135:227     136:382    
 137:498     138:1940    139:538     140:380     141:666     142:750    
 143:916     144:797     145:188     146:1114    147:701     148:1519   
 149:592     150:707     151:1005    152:720     153:301     154:928    
 155:751     156:695     157:744     158:598     159:1600    160:815    
 161:732     162:2496    163:508     164:998     165:1442    166:388    
 167:1333    168:3059    169:818     170:3524    171:371     172:995    
 173:1906    174:814     175:760     176:1870    177:4007    178:2482   
 179:1125    180:2205    181:2092    182:2469    183:815     184:879    
 185:11210   186:3315    187:2305    188:2611    189:1866    190:8161   
 191:1351    192:9690    193:5841    194:4734    195:3954    196:2204   
 197:1237    198:5536    199:5872    200:7169    201:4601    202:10340  
 203:9976    204:4526    205:2854    206:3021    207:3126    208:3983   
 209:3893    210:3935    211:2092    212:2851    213:2572    214:843    
 215:65      216:5696    217:2104    218:921     219:599     220:1670   
 221:941     222:724     223:1298   

End of report


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