[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 3 18:12:26 UTC 2014


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 04 Jan, 2014

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

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

BGP routing table entries examined:                              477051
    Prefixes after maximum aggregation:                          190299
    Deaggregation factor:                                          2.51
    Unique aggregates announced to Internet:                     236730
Total ASes present in the Internet Routing Table:                 45828
    Prefixes per ASN:                                             10.41
Origin-only ASes present in the Internet Routing Table:           35488
Origin ASes announcing only one prefix:                           16270
Transit ASes present in the Internet Routing Table:                5982
Transit-only ASes present in the Internet Routing Table:            177
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              2654
    Unregistered ASNs in the Routing Table:                         627
Number of 32-bit ASNs allocated by the RIRs:                       5637
Number of 32-bit ASNs visible in the Routing Table:                4358
Prefixes from 32-bit ASNs in the Routing Table:                   13805
Number of bogon 32-bit ASNs visible in the Routing Table:             1
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:           1728
Number of addresses announced to Internet:                   2661253372
    Equivalent to 158 /8s, 159 /16s and 128 /24s
    Percentage of available address space announced:               71.9
    Percentage of allocated address space announced:               71.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.4
Total number of prefixes smaller than registry allocations:      166280

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

Prefixes being announced by APNIC Region ASes:                   113324
    Total APNIC prefixes after maximum aggregation:               34178
    APNIC Deaggregation factor:                                    3.32
Prefixes being announced from the APNIC address blocks:          115676
    Unique aggregates announced from the APNIC address blocks:    48507
APNIC Region origin ASes present in the Internet Routing Table:    4870
    APNIC Prefixes per ASN:                                       23.75
APNIC Region origin ASes announcing only one prefix:               1210
APNIC Region transit ASes present in the Internet Routing Table:    841
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    797
Number of APNIC addresses announced to Internet:              730192064
    Equivalent to 43 /8s, 133 /16s and 216 /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:                    163539
    Total ARIN prefixes after maximum aggregation:                81812
    ARIN Deaggregation factor:                                     2.00
Prefixes being announced from the ARIN address blocks:           164167
    Unique aggregates announced from the ARIN address blocks:     75856
ARIN Region origin ASes present in the Internet Routing Table:    15928
    ARIN Prefixes per ASN:                                        10.31
ARIN Region origin ASes announcing only one prefix:                5986
ARIN Region transit ASes present in the Internet Routing Table:    1673
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:      53
Number of ARIN addresses announced to Internet:              1074982272
    Equivalent to 64 /8s, 18 /16s and 237 /24s
    Percentage of available ARIN address space announced:          56.9

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:                    120105
    Total RIPE prefixes after maximum aggregation:                61366
    RIPE Deaggregation factor:                                     1.96
Prefixes being announced from the RIPE address blocks:           123796
    Unique aggregates announced from the RIPE address blocks:     79325
RIPE Region origin ASes present in the Internet Routing Table:    17586
    RIPE Prefixes per ASN:                                         7.04
RIPE Region origin ASes announcing only one prefix:                8315
RIPE Region transit ASes present in the Internet Routing Table:    2840
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2550
Number of RIPE addresses announced to Internet:               654989700
    Equivalent to 39 /8s, 10 /16s and 89 /24s
    Percentage of available RIPE address space announced:          95.2

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:                   53686
    Total LACNIC prefixes after maximum aggregation:              10068
    LACNIC Deaggregation factor:                                   5.33
Prefixes being announced from the LACNIC address blocks:          59163
    Unique aggregates announced from the LACNIC address blocks:   27528
LACNIC Region origin ASes present in the Internet Routing Table:   2059
    LACNIC Prefixes per ASN:                                      28.73
LACNIC Region origin ASes announcing only one prefix:               552
LACNIC Region transit ASes present in the Internet Routing Table:   404
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   950
Number of LACNIC addresses announced to Internet:             147393336
    Equivalent to 8 /8s, 201 /16s and 11 /24s
    Percentage of available LACNIC address space announced:        87.9

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:                  11799
    Total AfriNIC prefixes after maximum aggregation:              2616
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:         12521
    Unique aggregates announced from the AfriNIC address blocks:   4190
AfriNIC Region origin ASes present in the Internet Routing Table:   698
    AfriNIC Prefixes per ASN:                                     17.94
AfriNIC Region origin ASes announcing only one prefix:              207
AfriNIC Region transit ASes present in the Internet Routing Table:  143
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:    8
Number of AfriNIC addresses announced to Internet:             48539392
    Equivalent to 2 /8s, 228 /16s and 167 /24s
    Percentage of available AfriNIC address space announced:       48.2

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     2945      11558         952   Korea Telecom
17974     2731        902          88   PT Telekomunikasi Indonesia
 7545     2121        319         112   TPG Telecom Limited
 4755     1812        392         191   TATA Communications formerly 
 9829     1563       1255          41   National Internet Backbone
 9583     1295        101         537   Sify Limited
 9498     1235        309          71   BHARTI Airtel Ltd.
 7552     1226       1080          13   Viettel Corporation
 4808     1141       2120         348   CNCGROUP IP network China169 
24560     1098        382         167   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     3029       3688          53   BellSouth.net Inc.
22773     2319       2939         138   Cox Communications Inc.
 1785     2146        686         131   PaeTec Communications, Inc.
18566     2050        379         178   MegaPath Corporation
20115     1682       1665         593   Charter Communications
 4323     1627       1081         411   tw telecom holdings, inc.
  701     1506      11144         778   MCI Communications Services, 
30036     1376        310         572   Mediacom Communications Corp
 7018     1307      17746         847   AT&T Services, Inc.
 6983     1294        756         580   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     1841        544          16   OJSC "Vimpelcom"
34984     1361        243         227   TELLCOM ILETISIM HIZMETLERI A
20940     1207        455         907   Akamai International B.V.
31148     1012         45          20   Freenet Ltd.
13188      922        100          26   TOV "Bank-Inform"
 6849      857        361          35   JSC "Ukrtelecom"
 8551      856        370          38   Bezeq International-Ltd
 6830      770       2327         423   Liberty Global Operations B.V
12479      685        798          53   France Telecom Espana SA
35228      551        246          16   Telefonica UK 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     3438       1839          91   NET Serviços de Comunicação S
10620     2691        435         209   Telmex Colombia S.A.
18881     1790        908          20   Global Village Telecom
 7303     1743       1163         230   Telecom Argentina S.A.
 8151     1371       2857         429   Uninet S.A. de C.V.
11830      868        364          15   Instituto Costarricense de El
27947      858         93          89   Telconet S.A
 7738      813       1562          37   Telemar Norte Leste S.A.
 6503      792        434          60   Axtel, S.A.B. de C.V.
 6147      780        373          27   Telefonica del Peru S.A.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     1857        112           5   Sudanese Mobile Telephone (ZA
24863      893        338          26   Link Egypt (Link.NET)
 6713      600        653          27   Office National des Postes et
 8452      450        956           9   TE-AS
24835      299        144           9   Vodafone Data
 3741      247        921         209   Internet Solutions
29571      240         21          14   Cote d'Ivoire Telecom
36992      226        505          27   ETISALAT MISR
15706      219         32           6   Sudatel (Sudan Telecom Co. Lt
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     3438       1839          91   NET Serviços de Comunicação S
 6389     3029       3688          53   BellSouth.net Inc.
 4766     2945      11558         952   Korea Telecom
17974     2731        902          88   PT Telekomunikasi Indonesia
10620     2691        435         209   Telmex Colombia S.A.
22773     2319       2939         138   Cox Communications Inc.
 1785     2146        686         131   PaeTec Communications, Inc.
 7545     2121        319         112   TPG Telecom Limited
18566     2050        379         178   MegaPath Corporation
36998     1857        112           5   Sudanese Mobile Telephone (ZA

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      3029        2976      BellSouth.net Inc.
17974      2731        2643      PT Telekomunikasi Indonesia
10620      2691        2482      Telmex Colombia S.A.
22773      2319        2181      Cox Communications Inc.
 1785      2146        2015      PaeTec Communications, Inc.
 7545      2121        2009      TPG Telecom Limited
 4766      2945        1993      Korea Telecom
18566      2050        1872      MegaPath Corporation
36998      1857        1852      Sudanese Mobile Telephone (ZA
 8402      1841        1825      OJSC "Vimpelcom"

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

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

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.192.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.196.0/22          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.200.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.202.0/23          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
62828   UNALLOCATED  8.21.130.0/24         4323       tw telecom holdings,
62850   UNALLOCATED  8.25.147.0/24        46887       Lightower Fiber Netw
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio

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

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

Network            Origin AS  Description
23.90.128.0/18       27418     OUTOFWALL INC.
23.91.0.0/19         40676     Psychz Networks
23.91.14.0/24        40676     Psychz Networks
23.91.32.0/19        36315     Servpac Inc.
23.91.80.0/20        21560     Netstream Communications, LLC
23.91.96.0/20        37958     Beijing Blue I.T Technologies
23.91.112.0/21       32475     SingleHop
23.91.120.0/21       36351     SoftLayer Technologies Inc.
23.91.160.0/19       36493     FIBERNETICS CORPORATION
23.91.160.0/22       36493     FIBERNETICS CORPORATION

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     
/13:473     /14:937     /15:1636    /16:12856   /17:6785    /18:11435   
/19:23329   /20:33183   /21:35757   /22:50722   /23:44179   /24:253010  
/25:798     /26:953     /27:433     /28:47      /29:71      /30:28      
/31:0       /32:15      

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

  ASN   No of nets  Total ann.   Description
18566     2005          2050      MegaPath Corporation
36998     1822          1857      Sudanese Mobile Telephone (ZA
 6389     1699          3029      BellSouth.net Inc.
22773     1563          2319      Cox Communications Inc.
 8402     1530          1841      OJSC "Vimpelcom"
30036     1217          1376      Mediacom Communications Corp
 1785     1163          2146      PaeTec Communications, Inc.
11492     1152          1189      CABLE ONE, INC.
 6983     1036          1294      ITC^Deltacom
22561      977          1252      CenturyTel Internet Holdings,

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

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

   1:935       2:843       3:3         4:16        5:840       6:21     
   8:638      12:1872     13:3        14:898      15:9        16:3      
  17:20       18:24       20:36       23:653      24:1752     27:1691   
  31:1514     32:44       33:2        34:5        36:111      37:1944   
  38:917      39:5        40:182      41:3329     42:246      44:14     
  46:2116     47:10       49:707      50:857      52:12       54:44     
  55:3        56:4        57:26       58:1141     59:590      60:369    
  61:1501     62:1202     63:1966     64:4375     65:2334     66:4133   
  67:2096     68:1084     69:3307     70:907      71:510      72:2023   
  74:2584     75:321      76:304      77:1146     78:1028     79:682    
  80:1283     81:1084     82:645      83:737      84:649      85:1215   
  86:400      87:1012     88:523      89:1581     90:152      91:5719   
  92:636      93:1614     94:2112     95:1466     96:531      97:351    
  98:1081     99:41      100:33      101:701     103:3890    105:534    
 106:142     107:348     108:548     109:2036    110:978     111:1140   
 112:602     113:814     114:767     115:1052    116:1015    117:833    
 118:1222    119:1292    120:325     121:774     122:1884    123:1290   
 124:1398    125:1456    128:654     129:236     130:356     131:665    
 132:341     133:159     134:320     135:73      136:277     137:271    
 138:354     139:174     140:202     141:353     142:551     143:405    
 144:499     145:92      146:566     147:428     148:789     149:361    
 150:152     151:481     152:410     153:208     154:50      155:526    
 156:316     157:418     158:287     159:809     160:360     161:465    
 162:976     163:232     164:663     165:586     166:281     167:639    
 168:1037    169:123     170:1162    171:185     172:12      173:1692   
 174:670     175:551     176:1361    177:2596    178:1924    179:345    
 180:1604    181:931     182:1424    183:479     184:633     185:1179   
 186:2790    187:1463    188:1957    189:1283    190:7318    191:16     
 192:7048    193:5431    194:4025    195:3404    196:1346    197:1063   
 198:4815    199:5527    200:6057    201:2557    202:9008    203:8926   
 204:4537    205:2638    206:2909    207:2820    208:3955    209:3708   
 210:3080    211:1630    212:2170    213:1952    214:869     215:83     
 216:5448    217:1723    218:608     219:323     220:1271    221:587    
 222:349     223:565    

End of report


More information about the sanog mailing list