[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 28 18:12:50 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 29 Mar, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 489473
Prefixes after maximum aggregation: 192590
Deaggregation factor: 2.54
Unique aggregates announced to Internet: 241381
Total ASes present in the Internet Routing Table: 46469
Prefixes per ASN: 10.53
Origin-only ASes present in the Internet Routing Table: 35716
Origin ASes announcing only one prefix: 16381
Transit ASes present in the Internet Routing Table: 6035
Transit-only ASes present in the Internet Routing Table: 173
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: 1863
Unregistered ASNs in the Routing Table: 476
Number of 32-bit ASNs allocated by the RIRs: 6256
Number of 32-bit ASNs visible in the Routing Table: 4718
Prefixes from 32-bit ASNs in the Routing Table: 15266
Number of bogon 32-bit ASNs visible in the Routing Table: 50
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 444
Number of addresses announced to Internet: 2662858628
Equivalent to 158 /8s, 183 /16s and 255 /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: 96.0
Total number of prefixes smaller than registry allocations: 170530
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 116226
Total APNIC prefixes after maximum aggregation: 34666
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 118899
Unique aggregates announced from the APNIC address blocks: 49753
APNIC Region origin ASes present in the Internet Routing Table: 4908
APNIC Prefixes per ASN: 24.23
APNIC Region origin ASes announcing only one prefix: 1230
APNIC Region transit ASes present in the Internet Routing Table: 855
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 879
Number of APNIC addresses announced to Internet: 729984896
Equivalent to 43 /8s, 130 /16s and 175 /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: 166997
Total ARIN prefixes after maximum aggregation: 83020
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 168430
Unique aggregates announced from the ARIN address blocks: 78330
ARIN Region origin ASes present in the Internet Routing Table: 16204
ARIN Prefixes per ASN: 10.39
ARIN Region origin ASes announcing only one prefix: 6115
ARIN Region transit ASes present in the Internet Routing Table: 1671
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 77
Number of ARIN addresses announced to Internet: 1067831936
Equivalent to 63 /8s, 165 /16s and 210 /24s
Percentage of available ARIN address space announced: 56.5
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: 123204
Total RIPE prefixes after maximum aggregation: 62152
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 127271
Unique aggregates announced from the RIPE address blocks: 80443
RIPE Region origin ASes present in the Internet Routing Table: 17648
RIPE Prefixes per ASN: 7.21
RIPE Region origin ASes announcing only one prefix: 8286
RIPE Region transit ASes present in the Internet Routing Table: 2863
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: 2678
Number of RIPE addresses announced to Internet: 657612420
Equivalent to 39 /8s, 50 /16s and 94 /24s
Percentage of available RIPE address space announced: 95.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 196608-202239
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: 55383
Total LACNIC prefixes after maximum aggregation: 10055
LACNIC Deaggregation factor: 5.51
Prefixes being announced from the LACNIC address blocks: 61471
Unique aggregates announced from the LACNIC address blocks: 28188
LACNIC Region origin ASes present in the Internet Routing Table: 2082
LACNIC Prefixes per ASN: 29.52
LACNIC Region origin ASes announcing only one prefix: 547
LACNIC Region transit ASes present in the Internet Routing Table: 422
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: 1070
Number of LACNIC addresses announced to Internet: 154037760
Equivalent to 9 /8s, 46 /16s and 110 /24s
Percentage of available LACNIC address space announced: 91.8
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: 12290
Total AfriNIC prefixes after maximum aggregation: 2658
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12958
Unique aggregates announced from the AfriNIC address blocks: 4292
AfriNIC Region origin ASes present in the Internet Routing Table: 709
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 151
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 53079552
Equivalent to 3 /8s, 41 /16s and 238 /24s
Percentage of available AfriNIC address space announced: 52.7
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2972 11582 896 Korea Telecom
17974 2776 903 78 PT Telekomunikasi Indonesia
7545 2229 320 118 TPG Telecom Limited
4755 1843 396 197 TATA Communications formerly
9829 1621 1288 35 National Internet Backbone
4808 1360 2227 386 CNCGROUP IP network China169
9583 1316 102 533 Sify Limited
9498 1247 312 79 BHARTI Airtel Ltd.
7552 1228 1082 13 Viettel Corporation
24560 1123 384 177 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 3009 3688 53 BellSouth.net Inc.
22773 2410 2938 140 Cox Communications Inc.
1785 2193 696 130 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1695 1675 576 Charter Communications
4323 1632 1089 414 tw telecom holdings, inc.
701 1485 11158 756 MCI Communications Services,
30036 1393 301 548 Mediacom Communications Corp
6983 1328 800 308 ITC^Deltacom
22561 1304 402 232 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
8402 1717 544 15 OJSC "Vimpelcom"
34984 1548 263 278 TELLCOM ILETISIM HIZMETLERI A
20940 1267 479 950 Akamai International B.V.
13188 1048 100 33 TOV "Bank-Inform"
31148 1017 45 21 Freenet Ltd.
8551 966 370 41 Bezeq International-Ltd
6849 862 361 34 JSC "Ukrtelecom"
6830 763 2329 426 Liberty Global Operations B.V
12479 715 797 56 France Telecom Espana SA
35228 555 246 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 3633 1947 96 NET Serviços de Comunicação S
10620 2804 449 192 Telmex Colombia S.A.
18881 1917 972 21 Global Village Telecom
7303 1751 1172 228 Telecom Argentina S.A.
8151 1397 2922 407 Uninet S.A. de C.V.
6503 1158 434 61 Axtel, S.A.B. de C.V.
7738 912 1754 40 Telemar Norte Leste S.A.
27947 860 113 48 Telconet S.A
11830 847 364 15 Instituto Costarricense de El
3816 785 319 128 COLOMBIA TELECOMUNICACIONES S
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 1637 240 6 Sudanese Mobile Telephone (ZA
24863 947 280 26 Link Egypt (Link.NET)
6713 603 701 28 Office National des Postes et
8452 522 958 13 TE-AS
24835 303 144 9 Vodafone Data
36992 284 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29571 218 22 18 Cote d'Ivoire Telecom
37054 215 23 11 Data Telecom Service
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 3633 1947 96 NET Serviços de Comunicação S
6389 3009 3688 53 BellSouth.net Inc.
4766 2972 11582 896 Korea Telecom
10620 2804 449 192 Telmex Colombia S.A.
17974 2776 903 78 PT Telekomunikasi Indonesia
22773 2410 2938 140 Cox Communications Inc.
7545 2229 320 118 TPG Telecom Limited
1785 2193 696 130 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
18881 1917 972 21 Global Village Telecom
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 3009 2956 BellSouth.net Inc.
17974 2776 2698 PT Telekomunikasi Indonesia
10620 2804 2612 Telmex Colombia S.A.
22773 2410 2270 Cox Communications Inc.
7545 2229 2111 TPG Telecom Limited
4766 2972 2076 Korea Telecom
1785 2193 2063 PaeTec Communications, Inc.
18881 1917 1896 Global Village Telecom
18566 2048 1870 MegaPath Corporation
8402 1717 1702 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
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
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
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
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<<
41.73.16.0/24 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 /9:12 /10:30 /11:90 /12:255
/13:478 /14:952 /15:1660 /16:12892 /17:6788 /18:11531
/19:24017 /20:33896 /21:36568 /22:52176 /23:45672 /24:260264
/25:791 /26:883 /27:422 /28:13 /29:20 /30:8
/31:1 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
6389 1695 3009 BellSouth.net Inc.
22773 1647 2410 Cox Communications Inc.
36998 1599 1637 Sudanese Mobile Telephone (ZA
8402 1394 1717 OJSC "Vimpelcom"
30036 1231 1393 Mediacom Communications Corp
11492 1178 1226 CABLE ONE, INC.
1785 1168 2193 PaeTec Communications, Inc.
6983 1044 1328 ITC^Deltacom
34984 1017 1548 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1011 2:694 3:3 4:15 5:918 6:19
8:722 12:1842 13:4 14:973 15:13 16:3
17:31 18:21 20:35 23:763 24:1728 25:1
27:1769 31:1523 32:40 33:2 34:5 36:127
37:1829 38:944 39:4 40:195 41:3129 42:244
44:18 46:2166 47:18 49:676 50:917 52:12
54:47 55:9 57:29 58:1176 59:601 60:380
61:1529 62:1263 63:1984 64:4354 65:2256 66:4164
67:2046 68:1019 69:3317 70:842 71:452 72:1970
74:2627 75:315 76:404 77:1363 78:1041 79:717
80:1326 81:1143 82:700 83:758 84:742 85:1300
86:435 87:1195 88:520 89:1774 90:149 91:5796
92:668 93:1713 94:2066 95:1514 96:538 97:349
98:1080 99:46 100:50 101:832 103:4516 105:534
106:166 107:576 108:559 109:2036 110:981 111:1285
112:663 113:843 114:876 115:1107 116:1057 117:875
118:1368 119:1333 120:376 121:795 122:1911 123:1296
124:1461 125:1485 128:658 129:318 130:351 131:651
132:359 133:159 134:318 135:74 136:253 137:321
138:351 139:166 140:211 141:359 142:558 143:424
144:500 145:103 146:607 147:434 148:907 149:343
150:161 151:598 152:424 153:219 154:237 155:469
156:336 157:339 158:219 159:880 160:346 161:477
162:1283 163:222 164:680 165:616 166:280 167:603
168:1029 169:124 170:1296 171:191 172:23 173:1593
174:684 175:605 176:1476 177:2827 178:1966 179:636
180:1679 181:1039 182:1528 183:514 184:722 185:1441
186:2836 187:1489 188:1875 189:1429 190:7436 191:132
192:7180 193:5473 194:4009 195:3371 196:1377 197:1118
198:4986 199:5633 200:6065 201:2657 202:8967 203:8928
204:4654 205:2703 206:2938 207:2957 208:4004 209:3731
210:3096 211:1699 212:2224 213:2077 214:895 215:85
216:5514 217:1686 218:587 219:320 220:1282 221:594
222:352 223:606
End of report
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