[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 15 18:10:43 UTC 2013


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, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

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 16 Nov, 2013

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

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

BGP routing table entries examined:                              472903
    Prefixes after maximum aggregation:                          189382
    Deaggregation factor:                                          2.50
    Unique aggregates announced to Internet:                     234611
Total ASes present in the Internet Routing Table:                 45459
    Prefixes per ASN:                                             10.40
Origin-only ASes present in the Internet Routing Table:           35351
Origin ASes announcing only one prefix:                           16281
Transit ASes present in the Internet Routing Table:                5951
Transit-only ASes present in the Internet Routing Table:            164
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      35
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:              2046
    Unregistered ASNs in the Routing Table:                         428
Number of 32-bit ASNs allocated by the RIRs:                       5358
Number of 32-bit ASNs visible in the Routing Table:                4157
Prefixes from 32-bit ASNs in the Routing Table:                   13071
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:           1082
Number of addresses announced to Internet:                   2655478552
    Equivalent to 158 /8s, 71 /16s and 99 /24s
    Percentage of available address space announced:               71.7
    Percentage of allocated address space announced:               71.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.2
Total number of prefixes smaller than registry allocations:      165126

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

Prefixes being announced by APNIC Region ASes:                   111822
    Total APNIC prefixes after maximum aggregation:               33900
    APNIC Deaggregation factor:                                    3.30
Prefixes being announced from the APNIC address blocks:          114037
    Unique aggregates announced from the APNIC address blocks:    47694
APNIC Region origin ASes present in the Internet Routing Table:    4878
    APNIC Prefixes per ASN:                                       23.38
APNIC Region origin ASes announcing only one prefix:               1220
APNIC Region transit ASes present in the Internet Routing Table:    833
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:    742
Number of APNIC addresses announced to Internet:              730096320
    Equivalent to 43 /8s, 132 /16s and 98 /24s
    Percentage of available APNIC address space announced:         85.3

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
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:                    163112
    Total ARIN prefixes after maximum aggregation:                81716
    ARIN Deaggregation factor:                                     2.00
Prefixes being announced from the ARIN address blocks:           163887
    Unique aggregates announced from the ARIN address blocks:     76079
ARIN Region origin ASes present in the Internet Routing Table:    15916
    ARIN Prefixes per ASN:                                        10.30
ARIN Region origin ASes announcing only one prefix:                6004
ARIN Region transit ASes present in the Internet Routing Table:    1662
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:      35
Number of ARIN addresses announced to Internet:              1073593728
    Equivalent to 63 /8s, 253 /16s and 189 /24s
    Percentage of available ARIN address space announced:          56.8

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, 393216-394239
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:                    119356
    Total RIPE prefixes after maximum aggregation:                61017
    RIPE Deaggregation factor:                                     1.96
Prefixes being announced from the RIPE address blocks:           123088
    Unique aggregates announced from the RIPE address blocks:     78871
RIPE Region origin ASes present in the Internet Routing Table:    17517
    RIPE Prefixes per ASN:                                         7.03
RIPE Region origin ASes announcing only one prefix:                8304
RIPE Region transit ASes present in the Internet Routing Table:    2836
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2480
Number of RIPE addresses announced to Internet:               656752868
    Equivalent to 39 /8s, 37 /16s and 64 /24s
    Percentage of available RIPE address space announced:          95.5

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, 196608-200191
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:                   53151
    Total LACNIC prefixes after maximum aggregation:               9998
    LACNIC Deaggregation factor:                                   5.32
Prefixes being announced from the LACNIC address blocks:          58393
    Unique aggregates announced from the LACNIC address blocks:   27055
LACNIC Region origin ASes present in the Internet Routing Table:   2040
    LACNIC Prefixes per ASN:                                      28.62
LACNIC Region origin ASes announcing only one prefix:               551
LACNIC Region transit ASes present in the Internet Routing Table:   396
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   894
Number of LACNIC addresses announced to Internet:             143157748
    Equivalent to 8 /8s, 136 /16s and 105 /24s
    Percentage of available LACNIC address space announced:        85.3

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus 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:                  11783
    Total AfriNIC prefixes after maximum aggregation:              2598
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:         12416
    Unique aggregates announced from the AfriNIC address blocks:   4043
AfriNIC Region origin ASes present in the Internet Routing Table:   682
    AfriNIC Prefixes per ASN:                                     18.21
AfriNIC Region origin ASes announcing only one prefix:              202
AfriNIC Region transit ASes present in the Internet Routing Table:  138
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    6
Number of AfriNIC addresses announced to Internet:             48082176
    Equivalent to 2 /8s, 221 /16s and 173 /24s
    Percentage of available AfriNIC address space announced:       47.8

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
 4766     2931      11557         943   Korea Telecom (KIX)
17974     2713        902          88   PT TELEKOMUNIKASI INDONESIA
 7545     2108        319         110   TPG Internet Pty Ltd
 4755     1789        392         190   TATA Communications formerly 
 9829     1543       1245          45   BSNL National Internet Backbo
 9583     1242         94         508   Sify Limited
 9498     1215        309          74   BHARTI Airtel Ltd.
 7552     1165       1080          13   Vietel Corporation
 4808     1146       2124         339   CNCGROUP IP network: China169
24560     1096        380         163   Bharti Airtel Ltd., Telemedia

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
 6389     3051       3688          55   BellSouth.net Inc.
22773     2198       2939         138   Cox Communications, Inc.
18566     2057        379         178   MegaPath Corporation
 1785     2039        685         130   PaeTec Communications, Inc.
20115     1682       1654         607   Charter Communications 
 4323     1636       1098         417   Time Warner Telecom
  701     1507      11146         783   MCI Communications Services, 
30036     1382        311         583   Mediacom Communications Corp 
 7018     1332      17778         871   AT&T WorldNet Services
 6983     1293        755         578   ITC^Deltacom 

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
 8402     1959        544          17   OJSC "Vimpelcom"
34984     1363        244         223   TELLCOM ILETISIM HIZMETLERI A
20940     1125        417         854   Akamai Technologies European 
31148     1005         45          19   FreeNet ISP
13188      895         99          48   TOV "Bank-Inform"
 6849      861        356          30   JSC UKRTELECOM,
 8551      787        370          41   Bezeq International
 6830      774       2328         426   UPC Distribution Services
12479      680        798          55   Uni2 Autonomous System
35228      547        246          16   Avatar Broadband Limited

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
28573     3423       1793          87   NET Servicos de Comunicao S.A
10620     2666        432         219   Telmex Colombia S.A.
 7303     1728       1150         231   Telecom Argentina Stet-France
18881     1621        908          20   Global Village Telecom 
 8151     1362       2853         414   UniNet S.A. de C.V. 
11830      866        364          15   Instituto Costarricense de El
27947      846         93          90   Telconet S.A
 6147      813        373          27   Telefonica Del Peru 
 6503      793        434          62   AVANTEL, S.A. 
 7738      780       1498          36   Telecomunicacoes da Bahia S.A

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
36998     1864        112           5   Sudanese Mobile Telephone (ZA
24863      887        338          26   LINKdotNET AS number
 6713      554        633          26   Itissalat Al-MAGHRIB
 8452      418        956           9   TEDATA
24835      297        144           9   RAYA Telecom - Egypt
 3741      256        921         214   The Internet Solution 
36992      229        501          29   Etisalat MISR
29571      224         17          12   Ci Telecom Autonomous system 
15706      221         32           6   Sudatel Internet Exchange Aut
29975      192        668          21   Vodacom

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
28573     3423       1793          87   NET Servicos de Comunicao S.A
 6389     3051       3688          55   BellSouth.net Inc.
 4766     2931      11557         943   Korea Telecom (KIX)
17974     2713        902          88   PT TELEKOMUNIKASI INDONESIA
10620     2666        432         219   Telmex Colombia S.A.
22773     2198       2939         138   Cox Communications, Inc.
 7545     2108        319         110   TPG Internet Pty Ltd
18566     2057        379         178   MegaPath Corporation
 1785     2039        685         130   PaeTec Communications, Inc.
 8402     1959        544          17   OJSC "Vimpelcom"

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

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

  ASN   No of nets  Net Savings Description
 6389      3051        2996      BellSouth.net Inc.
17974      2713        2625      PT TELEKOMUNIKASI INDONESIA
10620      2666        2447      Telmex Colombia S.A.
22773      2198        2060      Cox Communications, Inc.
 7545      2108        1998      TPG Internet Pty Ltd
 4766      2931        1988      Korea Telecom (KIX)
 8402      1959        1942      OJSC "Vimpelcom"
 1785      2039        1909      PaeTec Communications, Inc.
18566      2057        1879      MegaPath Corporation
36998      1864        1859      Sudanese Mobile Telephone (ZA

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

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

Bad AS  Designation  Network              Transit AS  Description
62828   UNALLOCATED  8.21.130.0/24         4323       Time Warner Telecom
62850   UNALLOCATED  8.25.147.0/24         3356       Level 3 Communicatio
62734   UNALLOCATED  8.31.128.0/24         6939       Hurricane Electric 
62773   UNALLOCATED  8.35.180.0/22         3356       Level 3 Communicatio
65160   PRIVATE      12.1.58.0/24         17361       Sungard Trading Syst
65160   PRIVATE      12.1.59.0/24         17361       Sungard Trading Syst
15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
62719   UNALLOCATED  12.27.130.0/24        4323       Time Warner Telecom
62861   UNALLOCATED  12.37.197.0/24        7018       AT&T WorldNet Servic
13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.100.0.0/24        4847     China Networks Inter-Exchange

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

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

Network            Origin AS  Description
23.90.128.0/18       27418     OUTOFWALL INC.
23.91.0.0/19         40676     Psychz Networks 
23.91.4.0/24         40676     Psychz Networks 
23.91.14.0/24        40676     Psychz Networks 
23.91.32.0/19        36315     Servpac Inc. 
23.91.80.0/20        21560     Capital Technology Services G
23.91.96.0/20        37958     ChinaCache Networks ASN
23.91.112.0/21       32475     MidPhase Inc. 
23.91.160.0/19       36493     3757277 Canada Inc. (oa 295.c
23.91.160.0/22       36493     3757277 Canada Inc. (oa 295.c

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       /9:11      /10:31      /11:92      /12:254     
/13:474     /14:922     /15:1628    /16:12833   /17:6760    /18:11334   
/19:23102   /20:32903   /21:35605   /22:50000   /23:43850   /24:250577  
/25:875     /26:997     /27:472     /28:51      /29:81      /30:21      
/31:0       /32:14      

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

  ASN   No of nets  Total ann.   Description
18566     2011          2057      MegaPath Corporation
36998     1829          1864      Sudanese Mobile Telephone (ZA
 6389     1705          3051      BellSouth.net Inc.
 8402     1622          1959      OJSC "Vimpelcom"
22773     1457          2198      Cox Communications, Inc.
30036     1228          1382      Mediacom Communications Corp 
11492     1193          1231      Cable One 
 1785     1086          2039      PaeTec Communications, Inc.
 6983     1034          1293      ITC^Deltacom 
22561      965          1242      Digital Teleport, Inc 

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

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

   1:899       2:842       3:3         4:17        5:1025      6:21     
   8:620      12:1883     13:3        14:891      15:11       16:3      
  17:17       18:19       20:21       23:560      24:1746     27:1643   
  31:1445     32:44       33:2        34:5        36:86       37:1923   
  38:919      39:5        40:182      41:3265     42:274      44:14     
  46:2032     47:10       49:689      50:846      52:12       54:43     
  55:7        56:4        57:26       58:1166     59:574      60:378    
  61:1468     62:1242     63:1979     64:4330     65:2344     66:4148   
  67:2118     68:1109     69:3299     70:875      71:489      72:2043   
  74:2563     75:326      76:307      77:1156     78:1077     79:673    
  80:1300     81:1039     82:646      83:660      84:591      85:1257   
  86:383      87:1027     88:557      89:1557     90:150      91:5657   
  92:622      93:1610     94:2066     95:1631     96:512      97:350    
  98:1039     99:41      100:32      101:643     103:3616    105:527    
 106:140     107:217     108:536     109:1948    110:972     111:1114   
 112:595     113:808     114:748     115:1052    116:1013    117:823    
 118:1179    119:1279    120:336     121:751     122:1859    123:1265   
 124:1398    125:1429    128:680     129:229     130:332     131:660    
 132:365     133:158     134:558     135:72      136:283     137:249    
 138:351     139:176     140:198     141:331     142:545     143:416    
 144:502     145:90      146:530     147:409     148:782     149:368    
 150:139     151:653     152:411     153:205     154:53      155:497    
 156:294     157:421     158:280     159:782     160:361     161:458    
 162:857     163:223     164:636     165:588     166:260     167:634    
 168:1044    169:125     170:1119    171:185     172:27      173:1589   
 174:696     175:526     176:1309    177:2476    178:1975    179:302    
 180:1591    181:865     182:1376    183:466     184:658     185:1024   
 186:2610    187:1467    188:1877    189:1265    190:7307    192:7055   
 193:5426    194:4037    195:3363    196:1342    197:1039    198:4760   
 199:5489    200:6070    201:2521    202:8982    203:8884    204:4534   
 205:2651    206:2837    207:2830    208:4002    209:3653    210:3038   
 211:1568    212:2159    213:1976    214:906     215:91      216:5421   
 217:1693    218:627     219:323     220:1278    221:578     222:326    
 223:507    

End of report



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