[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 20 18:51:00 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 21 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 467671
Prefixes after maximum aggregation: 188636
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232499
Total ASes present in the Internet Routing Table: 45041
Prefixes per ASN: 10.38
Origin-only ASes present in the Internet Routing Table: 35179
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 5915
Transit-only ASes present in the Internet Routing Table: 163
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5180
Unregistered ASNs in the Routing Table: 810
Number of 32-bit ASNs allocated by the RIRs: 5066
Number of 32-bit ASNs visible in the Routing Table: 3947
Prefixes from 32-bit ASNs in the Routing Table: 12287
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 496
Number of addresses announced to Internet: 2643702548
Equivalent to 157 /8s, 147 /16s and 179 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 163839
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110877
Total APNIC prefixes after maximum aggregation: 33651
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112862
Unique aggregates announced from the APNIC address blocks: 46676
APNIC Region origin ASes present in the Internet Routing Table: 4868
APNIC Prefixes per ASN: 23.18
APNIC Region origin ASes announcing only one prefix: 1213
APNIC Region transit ASes present in the Internet Routing Table: 832
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 680
Number of APNIC addresses announced to Internet: 727933184
Equivalent to 43 /8s, 99 /16s and 97 /24s
Percentage of available APNIC address space announced: 85.1
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: 162664
Total ARIN prefixes after maximum aggregation: 81384
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163181
Unique aggregates announced from the ARIN address blocks: 75892
ARIN Region origin ASes present in the Internet Routing Table: 15900
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6025
ARIN Region transit ASes present in the Internet Routing Table: 1657
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 21
Number of ARIN addresses announced to Internet: 1071770368
Equivalent to 63 /8s, 225 /16s and 235 /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: 118739
Total RIPE prefixes after maximum aggregation: 61170
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122602
Unique aggregates announced from the RIPE address blocks: 79354
RIPE Region origin ASes present in the Internet Routing Table: 17428
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8266
RIPE Region transit ASes present in the Internet Routing Table: 2816
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2399
Number of RIPE addresses announced to Internet: 656991204
Equivalent to 39 /8s, 40 /16s and 227 /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: 51331
Total LACNIC prefixes after maximum aggregation: 9822
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 56287
Unique aggregates announced from the LACNIC address blocks: 26187
LACNIC Region origin ASes present in the Internet Routing Table: 2026
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 576
LACNIC Region transit ASes present in the Internet Routing Table: 379
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 841
Number of LACNIC addresses announced to Internet: 139185200
Equivalent to 8 /8s, 75 /16s and 204 /24s
Percentage of available LACNIC address space announced: 83.0
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: 11638
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12243
Unique aggregates announced from the AfriNIC address blocks: 3950
AfriNIC Region origin ASes present in the Internet Routing Table: 654
AfriNIC Prefixes per ASN: 18.72
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 6
Number of AfriNIC addresses announced to Internet: 46651136
Equivalent to 2 /8s, 199 /16s and 215 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2923 11561 924 Korea Telecom (KIX)
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2081 321 112 TPG Internet Pty Ltd
4755 1770 391 188 TATA Communications formerly
9829 1550 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
4808 1188 2133 348 CNCGROUP IP network: China169
9498 1188 309 70 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1089 380 164 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 3067 3689 62 BellSouth.net Inc.
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2018 679 126 PaeTec Communications, Inc.
20115 1679 1650 627 Charter Communications
4323 1611 1103 409 Time Warner Telecom
701 1531 11152 796 UUNET Technologies, Inc.
30036 1349 304 632 Mediacom Communications Corp
7018 1315 11261 828 AT&T WorldNet Services
22561 1236 386 201 Digital Teleport, Inc
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 1729 544 16 OJSC "Vimpelcom"
34984 1361 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1031 378 795 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 TOV "Bank-Inform"
8551 745 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
35819 512 597 70 Bayanat Al-Oula For Network S
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 3287 1728 99 NET Servicos de Comunicao S.A
10620 2573 420 250 TVCABLE BOGOTA
7303 1712 1134 226 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1317 2787 407 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 94 Telconet S.A
6503 823 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 722 303 92 Empresa Nacional de Telecomun
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 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 426 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 222 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 191 667 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 3287 1728 99 NET Servicos de Comunicao S.A
6389 3067 3689 62 BellSouth.net Inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2573 420 250 TVCABLE BOGOTA
7545 2081 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2018 679 126 PaeTec Communications, Inc.
36998 1864 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 3067 3005 BellSouth.net Inc.
17974 2679 2588 PT TELEKOMUNIKASI INDONESIA
10620 2573 2323 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2081 1969 TPG Internet Pty Ltd
22773 2043 1919 Cox Communications, Inc.
1785 2018 1892 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1729 1713 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
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
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.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 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 /11:93 /12:250
/13:479 /14:915 /15:1627 /16:12794 /17:6704 /18:11144
/19:22955 /20:32528 /21:35151 /22:49644 /23:43016 /24:247837
/25:844 /26:992 /27:481 /28:47 /29:79 /30:19
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1712 3067 BellSouth.net Inc.
8402 1440 1729 OJSC "Vimpelcom"
22773 1329 2043 Cox Communications, Inc.
30036 1209 1349 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2018 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
22561 960 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:812 2:838 3:3 4:17 5:967 6:19
8:607 12:1894 13:3 14:869 15:11 16:3
17:12 18:19 20:21 23:405 24:1744 27:1579
31:1463 32:45 33:2 34:5 36:80 37:1829
38:907 39:3 40:179 41:3287 42:253 44:13
46:2004 47:6 49:673 50:844 52:12 54:39
55:5 57:26 58:1169 59:605 60:343 61:1417
62:1196 63:1988 64:4566 65:2365 66:4175 67:2084
68:1086 69:3307 70:868 71:495 72:2008 74:2559
75:330 76:303 77:1176 78:1056 79:630 80:1318
81:1030 82:631 83:582 84:585 85:1265 86:487
87:1045 88:554 89:1802 90:158 91:5708 92:599
93:1641 94:2026 95:1572 96:518 97:342 98:1041
99:43 100:31 101:609 103:3311 105:519 106:142
107:208 108:507 109:1870 110:965 111:1123 112:574
113:798 114:724 115:1005 116:972 117:823 118:1161
119:1284 120:363 121:741 122:1879 123:1254 124:1386
125:1425 128:627 129:321 130:322 131:674 132:347
133:161 134:546 135:67 136:272 137:268 138:348
139:178 140:206 141:324 142:553 143:408 144:504
145:100 146:516 147:490 148:698 149:356 150:157
151:584 152:413 153:195 154:46 155:486 156:279
157:421 158:285 159:763 160:350 161:450 162:705
163:229 164:625 165:573 166:258 167:611 168:1049
169:127 170:1087 171:193 172:25 173:1609 174:663
175:499 176:1209 177:2289 178:1884 179:145 180:1526
181:719 182:1269 183:464 184:655 185:871 186:2553
187:1456 188:1901 189:1327 190:6989 192:6939 193:5662
194:4064 195:3336 196:1323 197:980 198:4685 199:5460
200:5980 201:2507 202:8975 203:8921 204:4518 205:2636
206:2845 207:2899 208:4002 209:3607 210:2947 211:1554
212:2287 213:2052 214:930 215:99 216:5303 217:1658
218:623 219:314 220:1277 221:558 222:326 223:500
End of report
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