[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 4 18:36:07 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 05 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 468683
Prefixes after maximum aggregation: 189054
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232434
Total ASes present in the Internet Routing Table: 45122
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35242
Origin ASes announcing only one prefix: 16252
Transit ASes present in the Internet Routing Table: 5902
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 338
Unregistered ASNs in the Routing Table: 189
Number of 32-bit ASNs allocated by the RIRs: 5144
Number of 32-bit ASNs visible in the Routing Table: 3978
Prefixes from 32-bit ASNs in the Routing Table: 12238
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 665
Number of addresses announced to Internet: 2647718900
Equivalent to 157 /8s, 208 /16s and 251 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 164010
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111126
Total APNIC prefixes after maximum aggregation: 33829
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113153
Unique aggregates announced from the APNIC address blocks: 46794
APNIC Region origin ASes present in the Internet Routing Table: 4872
APNIC Prefixes per ASN: 23.23
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 692
Number of APNIC addresses announced to Internet: 728412160
Equivalent to 43 /8s, 106 /16s and 176 /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: 162812
Total ARIN prefixes after maximum aggregation: 81536
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163305
Unique aggregates announced from the ARIN address blocks: 75874
ARIN Region origin ASes present in the Internet Routing Table: 15904
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6017
ARIN Region transit ASes present in the Internet Routing Table: 1660
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: 22
Number of ARIN addresses announced to Internet: 1072976640
Equivalent to 63 /8s, 244 /16s and 83 /24s
Percentage of available ARIN address space announced: 56.8
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: 118832
Total RIPE prefixes after maximum aggregation: 61246
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122391
Unique aggregates announced from the RIPE address blocks: 78886
RIPE Region origin ASes present in the Internet Routing Table: 17455
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8261
RIPE Region transit ASes present in the Internet Routing Table: 2814
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2406
Number of RIPE addresses announced to Internet: 656682980
Equivalent to 39 /8s, 36 /16s and 47 /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: 51953
Total LACNIC prefixes after maximum aggregation: 9822
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 56961
Unique aggregates announced from the LACNIC address blocks: 26309
LACNIC Region origin ASes present in the Internet Routing Table: 2030
LACNIC Prefixes per ASN: 28.06
LACNIC Region origin ASes announcing only one prefix: 563
LACNIC Region transit ASes present in the Internet Routing Table: 385
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: 852
Number of LACNIC addresses announced to Internet: 140082192
Equivalent to 8 /8s, 89 /16s and 124 /24s
Percentage of available LACNIC address space announced: 83.5
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: 11572
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12208
Unique aggregates announced from the AfriNIC address blocks: 3999
AfriNIC Region origin ASes present in the Internet Routing Table: 653
AfriNIC Prefixes per ASN: 18.70
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 137
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: 47751424
Equivalent to 2 /8s, 216 /16s and 161 /24s
Percentage of available AfriNIC address space announced: 47.4
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 2947 11563 946 Korea Telecom (KIX)
17974 2698 903 90 PT TELEKOMUNIKASI INDONESIA
7545 2084 321 112 TPG Internet Pty Ltd
4755 1769 391 187 TATA Communications formerly
9829 1548 1236 41 BSNL National Internet Backbo
9583 1237 93 507 Sify Limited
9498 1196 309 72 BHARTI Airtel Ltd.
4808 1191 2131 347 CNCGROUP IP network: China169
7552 1164 1080 13 Vietel Corporation
24560 1091 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 3061 3689 59 BellSouth.net Inc.
18566 2066 382 184 Covad Communications
22773 2055 2943 140 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
20115 1682 1651 619 Charter Communications
4323 1625 1104 419 Time Warner Telecom
701 1516 11148 789 UUNET Technologies, Inc.
30036 1337 301 638 Mediacom Communications Corp
7018 1331 17499 857 AT&T WorldNet Services
6983 1294 772 579 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 1851 544 17 OJSC "Vimpelcom"
34984 1364 244 221 TELLCOM ILETISIM HIZMETLERI A
20940 1040 383 801 Akamai Technologies European
31148 992 44 19 FreeNet ISP
6830 891 2365 425 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 750 370 41 Bezeq International
12479 680 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 514 8418 406 Deutsche Telekom AG
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 3362 1734 88 NET Servicos de Comunicao S.A
10620 2599 423 245 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1462 844 20 Global Village Telecom
8151 1340 2805 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 851 434 63 AVANTEL, S.A.
27947 837 93 91 Telconet S.A
6147 799 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 882 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 421 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
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 3362 1734 88 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
4766 2947 11563 946 Korea Telecom (KIX)
17974 2698 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2599 423 245 TVCABLE BOGOTA
7545 2084 321 112 TPG Internet Pty Ltd
18566 2066 382 184 Covad Communications
22773 2055 2943 140 Cox Communications, Inc.
1785 2019 679 125 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 3061 3002 BellSouth.net Inc.
17974 2698 2608 PT TELEKOMUNIKASI INDONESIA
10620 2599 2354 TVCABLE BOGOTA
4766 2947 2001 Korea Telecom (KIX)
7545 2084 1972 TPG Internet Pty Ltd
22773 2055 1915 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2066 1882 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1851 1834 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 /11:92 /12:251
/13:481 /14:913 /15:1625 /16:12818 /17:6700 /18:11231
/19:22971 /20:32614 /21:35281 /22:49729 /23:43015 /24:248381
/25:895 /26:994 /27:475 /28:49 /29:78 /30:18
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1710 3061 BellSouth.net Inc.
8402 1572 1851 OJSC "Vimpelcom"
22773 1327 2055 Cox Communications, Inc.
11492 1194 1235 Cable One
30036 1194 1337 Mediacom Communications Corp
1785 1085 2019 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 962 1237 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:833 2:860 3:3 4:17 5:993 6:19
8:612 12:1896 13:3 14:872 15:11 16:3
17:14 18:19 20:21 23:451 24:1719 27:1597
31:1476 32:45 33:2 34:5 36:81 37:1822
38:907 39:2 40:179 41:3253 42:249 44:14
46:2022 47:6 49:678 50:840 52:12 54:39
55:3 57:26 58:1164 59:611 60:351 61:1425
62:1185 63:1978 64:4544 65:2346 66:4179 67:2073
68:1089 69:3325 70:859 71:496 72:1994 74:2561
75:326 76:306 77:1166 78:1058 79:648 80:1328
81:1021 82:625 83:587 84:594 85:1256 86:456
87:1015 88:555 89:1723 90:157 91:5640 92:612
93:1624 94:1981 95:1628 96:511 97:343 98:1035
99:43 100:31 101:611 103:3351 105:520 106:143
107:212 108:509 109:1875 110:963 111:1127 112:582
113:787 114:730 115:1013 116:984 117:829 118:1167
119:1299 120:370 121:735 122:1884 123:1222 124:1359
125:1424 128:619 129:325 130:323 131:646 132:349
133:162 134:548 135:67 136:275 137:269 138:350
139:180 140:181 141:324 142:548 143:417 144:499
145:103 146:517 147:403 148:702 149:351 150:157
151:598 152:412 153:200 154:47 155:488 156:281
157:422 158:285 159:758 160:348 161:448 162:735
163:227 164:633 165:572 166:258 167:621 168:1044
169:126 170:1081 171:200 172:25 173:1618 174:664
175:506 176:1247 177:2332 178:1917 179:160 180:1555
181:744 182:1331 183:480 184:657 185:908 186:2606
187:1462 188:1872 189:1336 190:7178 192:7001 193:5616
194:4062 195:3335 196:1314 197:992 198:4682 199:5475
200:6061 201:2530 202:8974 203:8924 204:4504 205:2617
206:2848 207:2892 208:4006 209:3619 210:2948 211:1575
212:2262 213:2012 214:901 215:99 216:5405 217:1669
218:622 219:315 220:1279 221:566 222:326 223:504
End of report
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