Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 4 18:12:06 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 05 Jul, 2014

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

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

BGP routing table entries examined:                              502254
    Prefixes after maximum aggregation:                          195258
    Deaggregation factor:                                          2.57
    Unique aggregates announced to Internet:                     247235
Total ASes present in the Internet Routing Table:                 47199
    Prefixes per ASN:                                             10.64
Origin-only ASes present in the Internet Routing Table:           35944
Origin ASes announcing only one prefix:                           16341
Transit ASes present in the Internet Routing Table:                6116
Transit-only ASes present in the Internet Routing Table:            170
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:              1849
    Unregistered ASNs in the Routing Table:                         508
Number of 32-bit ASNs allocated by the RIRs:                       6958
Number of 32-bit ASNs visible in the Routing Table:                5139
Prefixes from 32-bit ASNs in the Routing Table:                   18049
Number of bogon 32-bit ASNs visible in the Routing Table:           316
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            382
Number of addresses announced to Internet:                   2705972260
    Equivalent to 161 /8s, 73 /16s and 220 /24s
    Percentage of available address space announced:               73.1
    Percentage of allocated address space announced:               73.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.6
Total number of prefixes smaller than registry allocations:      173541

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

Prefixes being announced by APNIC Region ASes:                   121019
    Total APNIC prefixes after maximum aggregation:               35554
    APNIC Deaggregation factor:                                    3.40
Prefixes being announced from the APNIC address blocks:          124209
    Unique aggregates announced from the APNIC address blocks:    51554
APNIC Region origin ASes present in the Internet Routing Table:    4962
    APNIC Prefixes per ASN:                                       25.03
APNIC Region origin ASes announcing only one prefix:               1223
APNIC Region transit ASes present in the Internet Routing Table:    885
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         24
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1002
Number of APNIC addresses announced to Internet:              734532736
    Equivalent to 43 /8s, 200 /16s and 20 /24s
    Percentage of available APNIC address space announced:         85.8

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:                    168910
    Total ARIN prefixes after maximum aggregation:                83975
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           170715
    Unique aggregates announced from the ARIN address blocks:     79779
ARIN Region origin ASes present in the Internet Routing Table:    16306
    ARIN Prefixes per ASN:                                        10.47
ARIN Region origin ASes announcing only one prefix:                6104
ARIN Region transit ASes present in the Internet Routing Table:    1674
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:     129
Number of ARIN addresses announced to Internet:              1089136416
    Equivalent to 64 /8s, 234 /16s and 231 /24s
    Percentage of available ARIN address space announced:          57.6

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:                    123986
    Total RIPE prefixes after maximum aggregation:                62719
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:           128748
    Unique aggregates announced from the RIPE address blocks:     81353
RIPE Region origin ASes present in the Internet Routing Table:    17743
    RIPE Prefixes per ASN:                                         7.26
RIPE Region origin ASes announcing only one prefix:                8271
RIPE Region transit ASes present in the Internet Routing Table:    2883
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:    2724
Number of RIPE addresses announced to Internet:               658020228
    Equivalent to 39 /8s, 56 /16s and 151 /24s
    Percentage of available RIPE address space announced:          95.7

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, 196608-202239
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:                   58159
    Total LACNIC prefixes after maximum aggregation:              10265
    LACNIC Deaggregation factor:                                   5.67
Prefixes being announced from the LACNIC address blocks:          65459
    Unique aggregates announced from the LACNIC address blocks:   29748
LACNIC Region origin ASes present in the Internet Routing Table:   2131
    LACNIC Prefixes per ASN:                                      30.72
LACNIC Region origin ASes announcing only one prefix:               532
LACNIC Region transit ASes present in the Internet Routing Table:   443
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1244
Number of LACNIC addresses announced to Internet:             166333952
    Equivalent to 9 /8s, 234 /16s and 14 /24s
    Percentage of available LACNIC address space announced:        99.1

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:                  12025
    Total AfriNIC prefixes after maximum aggregation:              2708
    AfriNIC Deaggregation factor:                                  4.44
Prefixes being announced from the AfriNIC address blocks:         12741
    Unique aggregates announced from the AfriNIC address blocks:   4464
AfriNIC Region origin ASes present in the Internet Routing Table:   723
    AfriNIC Prefixes per ASN:                                     17.62
AfriNIC Region origin ASes announcing only one prefix:              211
AfriNIC Region transit ASes present in the Internet Routing Table:  155
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   40
Number of AfriNIC addresses announced to Internet:             57623040
    Equivalent to 3 /8s, 111 /16s and 66 /24s
    Percentage of available AfriNIC address space announced:       57.2

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     2965      11591         924   Korea Telecom
17974     2787        899          72   PT Telekomunikasi Indonesia
 7545     2301        320         118   TPG Telecom Limited
 4755     1865        396         200   TATA Communications formerly 
 9829     1650       1306          31   National Internet Backbone
 9583     1313        103         537   Sify Limited
 9498     1286        317          93   BHARTI Airtel Ltd.
 7552     1243       1098          14   Viettel Corporation
 4808     1222       2152         367   CNCGROUP IP network China169 
24560     1141        398         190   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     2953       3688          53   BellSouth.net Inc.
22773     2663       2940         139   Cox Communications Inc.
 7029     2460       1905         302   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
20115     1720       1712         569   Charter Communications
 4323     1642       1074         417   tw telecom holdings, inc.
30036     1486        318         596   Mediacom Communications Corp
  701     1442      11187         729   MCI Communications Services, 
 6983     1381        818         313   ITC^Deltacom
22561     1307        402         233   CenturyTel Internet Holdings,

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
34984     1711        264         274   TELLCOM ILETISIM HIZMETLERI A
20940     1419        550        1053   Akamai International B.V.
 8402     1376        544          15   OJSC "Vimpelcom"
31148     1042         45          20   Freenet Ltd.
13188     1031        100          28   TOV "Bank-Inform"
 8551      961        370          40   Bezeq International-Ltd
 6849      818        356          26   JSC "Ukrtelecom"
 6830      772       2335         430   Liberty Global Operations B.V
12479      734        795          57   France Telecom Espana SA
 9198      587        346          29   JSC Kazakhtelecom

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     3779       2025         102   NET Serviços de Comunicação S
10620     2901        469         213   Telmex Colombia S.A.
18881     2071       1036          22   Global Village Telecom
 7303     1769       1180         231   Telecom Argentina S.A.
 8151     1445       2975         423   Uninet S.A. de C.V.
 6503     1130        434          61   Axtel, S.A.B. de C.V.
 7738      979       1882          41   Telemar Norte Leste S.A.
 6147      948        373          28   Telefonica del Peru S.A.A.
27947      896        130          51   Telconet S.A
26615      869       2325          35   Tim Celular 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     1114        240           6   Sudanese Mobile Telephone (ZA
24863      910        280          26   Link Egypt (Link.NET)
 6713      672        744          40   Office National des Postes et
 8452      590        958          13   TE-AS
24835      306        144           9   Vodafone Data
36992      304        784          27   ETISALAT MISR
 3741      250        921         213   Internet Solutions
37054      248         19           6   Data Telecom Service
29571      228         22          18   Cote d'Ivoire Telecom
15706      187         32           6   Sudatel (Sudan Telecom Co. Lt

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     3779       2025         102   NET Serviços de Comunicação S
 4766     2965      11591         924   Korea Telecom
 6389     2953       3688          53   BellSouth.net Inc.
10620     2901        469         213   Telmex Colombia S.A.
17974     2787        899          72   PT Telekomunikasi Indonesia
22773     2663       2940         139   Cox Communications Inc.
 7029     2460       1905         302   Windstream Communications Inc
 7545     2301        320         118   TPG Telecom Limited
18881     2071       1036          22   Global Village Telecom
18566     2047        379         178   MegaPath Corporation

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      2953        2900      BellSouth.net Inc.
17974      2787        2715      PT Telekomunikasi Indonesia
10620      2901        2688      Telmex Colombia S.A.
22773      2663        2524      Cox Communications Inc.
 7545      2301        2183      TPG Telecom Limited
 7029      2460        2158      Windstream Communications Inc
18881      2071        2049      Global Village Telecom
 4766      2965        2041      Korea Telecom
18566      2047        1869      MegaPath Corporation
 4755      1865        1665      TATA Communications formerly 

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

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

Bad AS  Designation  Network              Transit AS  Description
58152   UNALLOCATED  5.39.200.0/21        12389       OJSC Rostelecom
29525   UNALLOCATED  5.42.136.0/21        41998       NeckarCom Telekommun
65456   PRIVATE      5.109.32.0/19        23456       32bit Transition AS
65456   PRIVATE      5.109.96.0/19        23456       32bit Transition AS
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser
46473   UNALLOCATED  8.27.124.0/24        12180       Internap Network Ser

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

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

Network            Origin AS  Description
24.231.96.0/24       21548     MTO Telecom Inc.
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<
41.73.13.0/24        37004     >>UNKNOWN<<
41.73.14.0/24        37004     >>UNKNOWN<<
41.73.15.0/24        37004     >>UNKNOWN<<

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      /10:30      /11:91      /12:259     
/13:494     /14:978     /15:1700    /16:12999   /17:6977    /18:11703   
/19:24681   /20:35075   /21:37324   /22:53798   /23:47064   /24:266873  
/25:823     /26:908     /27:392     /28:13      /29:19      /30:10      
/31:1       /32:13      

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

  ASN   No of nets  Total ann.   Description
18566     2002          2047      MegaPath Corporation
22773     1906          2663      Cox Communications Inc.
 6389     1694          2953      BellSouth.net Inc.
30036     1328          1486      Mediacom Communications Corp
 7029     1279          2460      Windstream Communications Inc
11492     1194          1245      CABLE ONE, INC.
 6983     1088          1381      ITC^Deltacom
36998     1080          1114      Sudanese Mobile Telephone (ZA
 8402     1055          1376      OJSC "Vimpelcom"
34984     1040          1711      TELLCOM ILETISIM HIZMETLERI A

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

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

   1:1162      2:658       3:3         4:15        5:1033      6:19     
   8:716      12:1827     13:4        14:1075     15:15       16:2      
  17:38       18:21       20:36       23:867      24:1758     27:1768   
  31:1491     32:43       33:2        34:5        36:136      37:1799   
  38:973      39:7        40:204      41:3169     42:255      43:88     
  44:13       45:30       46:2077     47:24       49:731      50:808    
  52:12       54:47       55:5        56:2        57:29       58:1222   
  59:611      60:413      61:1574     62:1249     63:1889     64:4372   
  65:2287     66:4164     67:2088     68:1068     69:3343     70:880    
  71:441      72:2021     74:2631     75:317      76:407      77:1694   
  78:850      79:699      80:1307     81:1206     82:767      83:762    
  84:751      85:1309     86:428      87:1176     88:464      89:1783   
  90:139      91:5680     92:719      93:1760     94:2011     95:1580   
  96:529      97:360      98:1089     99:49      100:66      101:859    
 103:5199    104:34      105:543     106:180     107:569     108:576    
 109:2038    110:989     111:1343    112:677     113:852     114:807    
 115:1130    116:1102    117:958     118:1476    119:1400    120:406    
 121:844     122:2117    123:1404    124:1412    125:1527    128:589    
 129:339     130:350     131:668     132:418     133:163     134:316    
 135:74      136:287     137:286     138:364     139:165     140:216    
 141:384     142:567     143:405     144:502     145:105     146:646    
 147:477     148:911     149:370     150:245     151:712     152:440    
 153:221     154:317     155:508     156:355     157:340     158:250    
 159:905     160:328     161:561     162:1573    163:289     164:697    
 165:623     166:287     167:643     168:1063    169:125     170:1350   
 171:185     172:65      173:1529    174:712     175:601     176:1398   
 177:3237    178:2054    179:745     180:1769    181:1252    182:1569   
 183:525     184:733     185:1831    186:2878    187:1639    188:2130   
 189:1488    190:7577    191:593     192:7386    193:5511    194:4038   
 195:3524    196:1400    197:661     198:5103    199:5519    200:6312   
 201:2643    202:9097    203:8967    204:4594    205:2667    206:2965   
 207:2974    208:3957    209:3740    210:3124    211:1727    212:2318   
 213:2104    214:857     215:87      216:5606    217:1686    218:611    
 219:332     220:1283    221:626     222:354     223:592    

End of report


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