[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 17 18:13:24 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 18 Jan, 2014

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

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

BGP routing table entries examined:                              477794
    Prefixes after maximum aggregation:                          190510
    Deaggregation factor:                                          2.51
    Unique aggregates announced to Internet:                     236762
Total ASes present in the Internet Routing Table:                 45894
    Prefixes per ASN:                                             10.41
Origin-only ASes present in the Internet Routing Table:           35494
Origin ASes announcing only one prefix:                           16273
Transit ASes present in the Internet Routing Table:                5985
Transit-only ASes present in the Internet Routing Table:            171
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:              2683
    Unregistered ASNs in the Routing Table:                         638
Number of 32-bit ASNs allocated by the RIRs:                       5697
Number of 32-bit ASNs visible in the Routing Table:                4415
Prefixes from 32-bit ASNs in the Routing Table:                   13942
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:           1907
Number of addresses announced to Internet:                   2658908708
    Equivalent to 158 /8s, 123 /16s and 186 /24s
    Percentage of available address space announced:               71.8
    Percentage of allocated address space announced:               71.8
    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:      166098

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

Prefixes being announced by APNIC Region ASes:                   113736
    Total APNIC prefixes after maximum aggregation:               34266
    APNIC Deaggregation factor:                                    3.32
Prefixes being announced from the APNIC address blocks:          116142
    Unique aggregates announced from the APNIC address blocks:    48679
APNIC Region origin ASes present in the Internet Routing Table:    4871
    APNIC Prefixes per ASN:                                       23.84
APNIC Region origin ASes announcing only one prefix:               1215
APNIC Region transit ASes present in the Internet Routing Table:    835
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:    805
Number of APNIC addresses announced to Internet:              729226752
    Equivalent to 43 /8s, 119 /16s and 30 /24s
    Percentage of available APNIC address space announced:         85.2

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:                    163574
    Total ARIN prefixes after maximum aggregation:                81969
    ARIN Deaggregation factor:                                     2.00
Prefixes being announced from the ARIN address blocks:           164087
    Unique aggregates announced from the ARIN address blocks:     75843
ARIN Region origin ASes present in the Internet Routing Table:    15929
    ARIN Prefixes per ASN:                                        10.30
ARIN Region origin ASes announcing only one prefix:                5981
ARIN Region transit ASes present in the Internet Routing Table:    1672
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:      57
Number of ARIN addresses announced to Internet:              1070986112
    Equivalent to 63 /8s, 213 /16s and 243 /24s
    Percentage of available ARIN address space announced:          56.7

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:                    120201
    Total RIPE prefixes after maximum aggregation:                61464
    RIPE Deaggregation factor:                                     1.96
Prefixes being announced from the RIPE address blocks:           123838
    Unique aggregates announced from the RIPE address blocks:     79301
RIPE Region origin ASes present in the Internet Routing Table:    17579
    RIPE Prefixes per ASN:                                         7.04
RIPE Region origin ASes announcing only one prefix:                8322
RIPE Region transit ASes present in the Internet Routing Table:    2841
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:    2572
Number of RIPE addresses announced to Internet:               655129732
    Equivalent to 39 /8s, 12 /16s and 124 /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:                   53681
    Total LACNIC prefixes after maximum aggregation:               9906
    LACNIC Deaggregation factor:                                   5.42
Prefixes being announced from the LACNIC address blocks:          59214
    Unique aggregates announced from the LACNIC address blocks:   27413
LACNIC Region origin ASes present in the Internet Routing Table:   2058
    LACNIC Prefixes per ASN:                                      28.77
LACNIC Region origin ASes announcing only one prefix:               553
LACNIC Region transit ASes present in the Internet Routing Table:   402
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:   972
Number of LACNIC addresses announced to Internet:             148257824
    Equivalent to 8 /8s, 214 /16s and 60 /24s
    Percentage of available LACNIC address space announced:        88.4

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:                  11827
    Total AfriNIC prefixes after maximum aggregation:              2607
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:         12606
    Unique aggregates announced from the AfriNIC address blocks:   4071
AfriNIC Region origin ASes present in the Internet Routing Table:   699
    AfriNIC Prefixes per ASN:                                     18.03
AfriNIC Region origin ASes announcing only one prefix:              202
AfriNIC Region transit ASes present in the Internet Routing Table:  147
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:    9
Number of AfriNIC addresses announced to Internet:             49673728
    Equivalent to 2 /8s, 245 /16s and 246 /24s
    Percentage of available AfriNIC address space announced:       49.3

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     2941      11558         953   Korea Telecom
17974     2738        902          88   PT Telekomunikasi Indonesia
 7545     2139        320         115   TPG Telecom Limited
 4755     1812        392         193   TATA Communications formerly 
 9829     1574       1266          43   National Internet Backbone
 9583     1297        101         533   Sify Limited
 7552     1233       1080          13   Viettel Corporation
 9498     1213        309          68   BHARTI Airtel Ltd.
 4808     1158       2121         348   CNCGROUP IP network China169 
24560     1093        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     3028       3688          53   BellSouth.net Inc.
22773     2321       2940         139   Cox Communications Inc.
 1785     2151        688         133   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
20115     1681       1665         587   Charter Communications
 4323     1629       1082         412   tw telecom holdings, inc.
  701     1503      11158         772   MCI Communications Services, 
30036     1377        297         571   Mediacom Communications Corp
 7018     1302      17747         846   AT&T Services, Inc.
 6983     1295        756         581   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     1856        544          16   OJSC "Vimpelcom"
34984     1367        244         224   TELLCOM ILETISIM HIZMETLERI A
20940     1220        459         919   Akamai International B.V.
13188     1039        100          26   TOV "Bank-Inform"
31148     1013         45          21   Freenet Ltd.
 6849      883        363          38   JSC "Ukrtelecom"
 8551      849        370          38   Bezeq International-Ltd
 6830      769       2327         424   Liberty Global Operations B.V
12479      692        797          55   France Telecom Espana SA
35228      552        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     3443       1861          77   NET Serviços de Comunicação S
10620     2701        436         205   Telmex Colombia S.A.
18881     1810        909          21   Global Village Telecom
 7303     1741       1164         220   Telecom Argentina S.A.
 8151     1387       2880         429   Uninet S.A. de C.V.
11830      869        364          15   Instituto Costarricense de El
 7738      846       1626          38   Telemar Norte Leste S.A.
27947      837         93          94   Telconet S.A
 6503      836        434          61   Axtel, S.A.B. de C.V.
 6147      777        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     1805        112           5   Sudanese Mobile Telephone (ZA
24863      904        380          28   Link Egypt (Link.NET)
 6713      600        653          27   Office National des Postes et
 8452      468        956           9   TE-AS
24835      298        144           9   Vodafone Data
 3741      247        921         209   Internet Solutions
29571      239         21          14   Cote d'Ivoire Telecom
36992      237        783          24   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     3443       1861          77   NET Serviços de Comunicação S
 6389     3028       3688          53   BellSouth.net Inc.
 4766     2941      11558         953   Korea Telecom
17974     2738        902          88   PT Telekomunikasi Indonesia
10620     2701        436         205   Telmex Colombia S.A.
22773     2321       2940         139   Cox Communications Inc.
 1785     2151        688         133   PaeTec Communications, Inc.
 7545     2139        320         115   TPG Telecom Limited
18566     2048        379         178   MegaPath Corporation
 8402     1856        544          16   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      3028        2975      BellSouth.net Inc.
17974      2738        2650      PT Telekomunikasi Indonesia
10620      2701        2496      Telmex Colombia S.A.
22773      2321        2182      Cox Communications Inc.
 7545      2139        2024      TPG Telecom Limited
 1785      2151        2018      PaeTec Communications, Inc.
 4766      2941        1988      Korea Telecom
18566      2048        1870      MegaPath Corporation
 8402      1856        1840      OJSC "Vimpelcom"
36998      1805        1800      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
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        40676     Psychz Networks
23.91.112.0/21       32475     SingleHop
23.91.120.0/21       36351     SoftLayer Technologies Inc.
23.91.128.0/19        5645     TekSavvy Solutions, Inc.
23.91.160.0/19       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      /10:30      /11:92      /12:253     
/13:475     /14:947     /15:1644    /16:12849   /17:6802    /18:11458   
/19:23434   /20:33165   /21:35851   /22:50929   /23:44223   /24:253415  
/25:787     /26:945     /27:426     /28:12      /29:14      /30:7       
/31:0       /32:9       

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

  ASN   No of nets  Total ann.   Description
18566     2003          2048      MegaPath Corporation
36998     1771          1805      Sudanese Mobile Telephone (ZA
 6389     1698          3028      BellSouth.net Inc.
22773     1565          2321      Cox Communications Inc.
 8402     1543          1856      OJSC "Vimpelcom"
30036     1217          1377      Mediacom Communications Corp
 1785     1163          2151      PaeTec Communications, Inc.
11492     1157          1194      CABLE ONE, INC.
 6983     1036          1295      ITC^Deltacom
31148      957          1013      Freenet Ltd.

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

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

   1:935       2:839       3:3         4:15        5:860       6:21     
   8:634      12:1872     13:3        14:910      15:9        16:3      
  17:23       18:19       20:36       23:659      24:1751     27:1729   
  31:1522     32:44       33:2        34:5        36:112      37:1907   
  38:917      39:3        40:184      41:3301     42:243      44:14     
  46:2124     47:12       49:670      50:842      52:12       54:44     
  55:5        56:4        57:26       58:1136     59:594      60:370    
  61:1500     62:1211     63:1947     64:4372     65:2315     66:4132   
  67:2057     68:1080     69:3286     70:913      71:501      72:2037   
  74:2596     75:314      76:308      77:1151     78:1014     79:688    
  80:1308     81:1078     82:681      83:740      84:649      85:1219   
  86:429      87:1020     88:510      89:1593     90:145      91:5699   
  92:646      93:1582     94:2102     95:1478     96:533      97:350    
  98:1068     99:41      100:29      101:711     103:3968    105:534    
 106:142     107:380     108:548     109:2039    110:978     111:1207   
 112:609     113:820     114:774     115:1076    116:1015    117:835    
 118:1239    119:1296    120:326     121:787     122:1916    123:1268   
 124:1393    125:1450    128:665     129:236     130:345     131:663    
 132:353     133:159     134:312     135:74      136:281     137:314    
 138:351     139:143     140:199     141:354     142:552     143:406    
 144:500     145:93      146:566     147:432     148:793     149:360    
 150:149     151:476     152:414     153:206     154:52      155:528    
 156:317     157:420     158:293     159:831     160:361     161:471    
 162:1032    163:232     164:668     165:590     166:271     167:639    
 168:1042    169:123     170:1169    171:187     172:12      173:1640   
 174:680     175:559     176:1360    177:2633    178:1946    179:392    
 180:1617    181:939     182:1418    183:499     184:636     185:1187   
 186:2795    187:1440    188:1965    189:1277    190:7326    191:9      
 192:7038    193:5417    194:4017    195:3384    196:1353    197:1084   
 198:4823    199:5539    200:6058    201:2536    202:9070    203:8904   
 204:4509    205:2639    206:2893    207:2846    208:3947    209:3716   
 210:3078    211:1624    212:2154    213:1972    214:883     215:83     
 216:5425    217:1726    218:610     219:324     220:1268    221:593    
 222:334     223:569    

End of report


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