[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 8 18:01:42 UTC 2016


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, AusNOG, SANOG, PacNOG,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG 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 09 Jul, 2016

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

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

BGP routing table entries examined:                              603480
    Prefixes after maximum aggregation (per Origin AS):          218627
    Deaggregation factor:                                          2.76
    Unique aggregates announced (without unneeded subnets):      294607
Total ASes present in the Internet Routing Table:                 54248
    Prefixes per ASN:                                             11.12
Origin-only ASes present in the Internet Routing Table:           36531
Origin ASes announcing only one prefix:                           15524
Transit ASes present in the Internet Routing Table:                6436
Transit-only ASes present in the Internet Routing Table:            167
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                55
    Unregistered ASNs in the Routing Table:                          13
Number of 32-bit ASNs allocated by the RIRs:                      14555
Number of 32-bit ASNs visible in the Routing Table:               11281
Prefixes from 32-bit ASNs in the Routing Table:                   44495
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            395
Number of addresses announced to Internet:                   2816498660
    Equivalent to 167 /8s, 224 /16s and 91 /24s
    Percentage of available address space announced:               76.1
    Percentage of allocated address space announced:               76.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.2
Total number of prefixes smaller than registry allocations:      196469

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

Prefixes being announced by APNIC Region ASes:                   155921
    Total APNIC prefixes after maximum aggregation:               42694
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:          167897
    Unique aggregates announced from the APNIC address blocks:    67994
APNIC Region origin ASes present in the Internet Routing Table:    5186
    APNIC Prefixes per ASN:                                       32.38
APNIC Region origin ASes announcing only one prefix:               1172
APNIC Region transit ASes present in the Internet Routing Table:    931
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2202
Number of APNIC addresses announced to Internet:              759303492
    Equivalent to 45 /8s, 66 /16s and 13 /24s
    Percentage of available APNIC address space announced:         88.7

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:                    182610
    Total ARIN prefixes after maximum aggregation:                89230
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           188256
    Unique aggregates announced from the ARIN address blocks:     88127
ARIN Region origin ASes present in the Internet Routing Table:    16309
    ARIN Prefixes per ASN:                                        11.54
ARIN Region origin ASes announcing only one prefix:                5786
ARIN Region transit ASes present in the Internet Routing Table:    1693
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:    1304
Number of ARIN addresses announced to Internet:              1101096160
    Equivalent to 65 /8s, 161 /16s and 100 /24s
    Percentage of available ARIN address space announced:          58.2

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:                    144707
    Total RIPE prefixes after maximum aggregation:                71243
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           154203
    Unique aggregates announced from the RIPE address blocks:     95406
RIPE Region origin ASes present in the Internet Routing Table:    18084
    RIPE Prefixes per ASN:                                         8.53
RIPE Region origin ASes announcing only one prefix:                7824
RIPE Region transit ASes present in the Internet Routing Table:    3003
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    4912
Number of RIPE addresses announced to Internet:               705483904
    Equivalent to 42 /8s, 12 /16s and 212 /24s
    Percentage of available RIPE address space announced:         102.6

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, 196608-204287
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:                   61574
    Total LACNIC prefixes after maximum aggregation:              12251
    LACNIC Deaggregation factor:                                   5.03
Prefixes being announced from the LACNIC address blocks:          76632
    Unique aggregates announced from the LACNIC address blocks:   36567
LACNIC Region origin ASes present in the Internet Routing Table:   2480
    LACNIC Prefixes per ASN:                                      30.90
LACNIC Region origin ASes announcing only one prefix:               566
LACNIC Region transit ASes present in the Internet Routing Table:   572
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        21
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2628
Number of LACNIC addresses announced to Internet:             169973568
    Equivalent to 10 /8s, 33 /16s and 151 /24s
    Percentage of available LACNIC address space announced:       101.3

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  14117
    Total AfriNIC prefixes after maximum aggregation:              3199
    AfriNIC Deaggregation factor:                                  4.41
Prefixes being announced from the AfriNIC address blocks:         16097
    Unique aggregates announced from the AfriNIC address blocks:   6156
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     21.93
AfriNIC Region origin ASes announcing only one prefix:              176
AfriNIC Region transit ASes present in the Internet Routing Table:  172
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  235
Number of AfriNIC addresses announced to Internet:             80272640
    Equivalent to 4 /8s, 200 /16s and 221 /24s
    Percentage of available AfriNIC address space announced:       79.7

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     5558       4191          75   ERX-CERNET-BKB China Education and Rese
 7545     3391        383         246   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3151      11143        1116   KIXS-AS-KR Korea Telecom, KR
17974     2944        907          82   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2557       1484         514   BSNL-NIB National Internet Backbone, IN
 1659     2483       1466          38   ERX-TANET-ASN1 Taiwan Academic Network 
 9808     2143       8761          40   CMNET-GD Guangdong Mobile Communication
 4755     2078        431         239   TATACOMM-AS TATA Communications formerl
 4808     1714       2317         556   CHINA169-BJ China Unicom Beijing Provin
38197     1494         93         274   SUNHK-DATA-AS-AP Sun Network (Hong Kong

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
22773     3474       2965         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2248       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2197        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1928       1950         413   CHARTER-NET-HKY-NC - Charter Communicat
  209     1712       5103         655   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1688        849         228   ITCDELTA - Earthlink, Inc., US
30036     1675        336         459   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16509     1332       2474         423   AMAZON-02 - Amazon.com, Inc., US
 7018     1325      20045         993   ATT-INTERNET4 - AT&T Services, Inc., US
11492     1314        235         569   CABLEONE - CABLE ONE, INC., 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
39891     3329        169          15   ALJAWWALSTC-AS , SA
20940     2710       1052        1924   AKAMAI-ASN1 , US
34984     1973        327         357   TELLCOM-AS , TR
 8551     1279        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12479     1270       1002          46   UNI2-AS , ES
 6849     1148        355          21   UKRTELNET , UA
13188     1091         98          65   BANKINFORM-AS , UA
 8402     1053        544          15   CORBINA-AS Russia, RU
 9198      949        352          26   KAZTELECOM-AS , KZ
 6830      889       2752         463   LGI-UPC formerly known as UPC Broadband

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     3471        542         129   Telmex Colombia S.A., CO
 8151     2264       3346         550   Uninet S.A. de C.V., MX
 7303     1525        949         240   Telecom Argentina S.A., AR
11830     1465        368          50   Instituto Costarricense de Electricidad
 6503     1455        437          55   Axtel, S.A.B. de C.V., MX
 6147     1109        377          27   Telefonica del Peru S.A.A., PE
 3816      999        479         178   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 7738      994       1882          40   Telemar Norte Leste S.A., BR
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
28573      875       2175         168   CLARO 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     1164        402          48   LINKdotNET-AS, EG
37611      645         48           2   Afrihost, ZA
36903      628        316         103   MT-MPLS, MA
36992      525       1235          47   ETISALAT-MISR, EG
 8452      505       1472          15   TE-AS TE-AS, EG
37492      395        234          68   ORANGE-TN, TN
24835      329        594          15   RAYA-AS, EG
29571      299         37          12   CITelecom-AS, CI
 2018      256        327          74   TENET-1, ZA
36947      232        855          15   ALGTEL-AS, DZ

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     5558       4191          75   ERX-CERNET-BKB China Education and Rese
22773     3474       2965         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3471        542         129   Telmex Colombia S.A., CO
 7545     3391        383         246   TPG-INTERNET-AP TPG Telecom Limited, AU
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3151      11143        1116   KIXS-AS-KR Korea Telecom, KR
17974     2944        907          82   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2710       1052        1924   AKAMAI-ASN1 , US
 9829     2557       1484         514   BSNL-NIB National Internet Backbone, IN
 1659     2483       1466          38   ERX-TANET-ASN1 Taiwan Academic Network 

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

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

  ASN   No of nets  Net Savings Description
10620      3471        3342      Telmex Colombia S.A., CO
22773      3474        3330      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3391        3145      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2944        2862      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 1659      2483        2445      ERX-TANET-ASN1 Taiwan Academic Network 
 6389      2248        2207      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9808      2143        2103      CMNET-GD Guangdong Mobile Communication
18566      2197        2087      MEGAPATH5-US - MegaPath Corporation, US
 9829      2557        2043      BSNL-NIB National Internet Backbone, IN

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

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

Bad AS  Designation  Network              Transit AS  Description
65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM Verhnevolzhsky 
64502   RESERVED     92.38.215.0/24       12695       DINET-AS , RU

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

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

Network            Origin AS  Description
23.226.112.0/20      62788     -Reserved AS-, ZZ
23.249.144.0/20      40430     COLO4JAX-AS - colo4jax, LLC, US
27.100.7.0/24        56096     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ
41.73.2.0/24         37004     -Reserved AS-, ZZ
41.73.3.0/24         37004     -Reserved AS-, ZZ
41.73.4.0/24         37004     -Reserved AS-, ZZ
41.73.5.0/24         37004     -Reserved AS-, ZZ
41.73.6.0/24         37004     -Reserved AS-, ZZ
41.73.7.0/24         37004     -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        /8:16       /9:13      /10:36      /11:100     /12:266     
/13:515     /14:1036    /15:1767    /16:13161   /17:7789    /18:12745   
/19:25299   /20:38225   /21:40061   /22:66775   /23:58267   /24:335755  
/25:565     /26:585     /27:375     /28:49      /29:32      /30:16      
/31:1       /32:31      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2712          3474      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2197      MEGAPATH5-US - MegaPath Corporation, US
30036     1489          1675      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1453          2248      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1382          3471      Telmex Colombia S.A., CO
 6983     1339          1688      ITCDELTA - Earthlink, Inc., US
34984     1256          1973      TELLCOM-AS , TR
11492     1212          1314      CABLEONE - CABLE ONE, INC., US
 6849      968          1148      UKRTELNET , UA

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

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

   1:1568      2:733       4:21        5:2134      6:31        8:975    
  12:1786     13:39       14:1723     15:45       16:2        17:85     
  18:108      20:49       22:1        23:1657     24:1774     27:2282   
  31:1735     32:67       33:3        34:2        35:5        36:308    
  37:2282     38:1230     39:34       40:94       41:2732     42:446    
  43:1802     44:43       45:2087     46:2516     47:89       49:1163   
  50:884      51:20       52:513      54:338      55:10       56:7      
  57:42       58:1604     59:942      60:350      61:1832     62:1490   
  63:1933     64:4505     65:2176     66:4273     67:2228     68:1115   
  69:3284     70:1252     71:482      72:2023     74:2533     75:344    
  76:375      77:1432     78:1279     79:875      80:1303     81:1375   
  82:965      83:711      84:857      85:1601     86:482      87:1093   
  88:552      89:2041     90:180      91:6066     92:953      93:2401   
  94:2390     95:2491     96:518      97:375      98:948      99:41     
 100:75      101:1073    103:11467   104:2488    105:127     106:427    
 107:1298    108:674     109:2223    110:1273    111:1632    112:1027   
 113:1109    114:1083    115:1643    116:1612    117:1527    118:1979   
 119:1624    120:1267    121:1178    122:2188    123:2027    124:1587   
 125:1744    128:700     129:427     130:414     131:1331    132:620    
 133:176     134:459     135:134     136:379     137:400     138:1738   
 139:296     140:711     141:452     142:646     143:900     144:715    
 145:168     146:887     147:645     148:1363    149:527     150:656    
 151:1020    152:635     153:302     154:632     155:946     156:514    
 157:473     158:406     159:1132    160:501     161:790     162:2331   
 163:912     164:889     165:1051    166:314     167:1162    168:1946   
 169:673     170:1746    171:262     172:594     173:1639    174:757    
 175:734     176:1729    177:4069    178:2257    179:1142    180:2084   
 181:1823    182:1952    183:979     184:832     185:6877    186:2999   
 187:2099    188:2194    189:1732    190:7818    191:1243    192:9058   
 193:5730    194:4443    195:3837    196:1707    197:1049    198:5556   
 199:5751    200:7061    201:3772    202:10077   203:10013   204:4506   
 205:2708    206:2990    207:3105    208:4094    209:3906    210:4260   
 211:2053    212:2745    213:2269    214:870     215:72      216:5843   
 217:1986    218:799     219:629     220:1630    221:862     222:679    
 223:1274   

End of report


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