[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 6 18:34:11 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 07 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466753
Prefixes after maximum aggregation: 188207
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 231835
Total ASes present in the Internet Routing Table: 44906
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35097
Origin ASes announcing only one prefix: 16257
Transit ASes present in the Internet Routing Table: 5913
Transit-only ASes present in the Internet Routing Table: 165
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: 5649
Unregistered ASNs in the Routing Table: 1916
Number of 32-bit ASNs allocated by the RIRs: 5006
Number of 32-bit ASNs visible in the Routing Table: 3896
Prefixes from 32-bit ASNs in the Routing Table: 11954
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 362
Number of addresses announced to Internet: 2641573844
Equivalent to 157 /8s, 115 /16s and 55 /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: 163579
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110477
Total APNIC prefixes after maximum aggregation: 33521
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112415
Unique aggregates announced from the APNIC address blocks: 46754
APNIC Region origin ASes present in the Internet Routing Table: 4866
APNIC Prefixes per ASN: 23.10
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 829
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: 661
Number of APNIC addresses announced to Internet: 728202176
Equivalent to 43 /8s, 103 /16s and 123 /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, 131072-133119
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: 161488
Total ARIN prefixes after maximum aggregation: 81121
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162089
Unique aggregates announced from the ARIN address blocks: 75491
ARIN Region origin ASes present in the Internet Routing Table: 15867
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6025
ARIN Region transit ASes present in the Internet Routing Table: 1661
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: 20
Number of ARIN addresses announced to Internet: 1071412992
Equivalent to 63 /8s, 220 /16s and 119 /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: 119588
Total RIPE prefixes after maximum aggregation: 61203
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123427
Unique aggregates announced from the RIPE address blocks: 79478
RIPE Region origin ASes present in the Internet Routing Table: 17412
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 8246
RIPE Region transit ASes present in the Internet Routing Table: 2819
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: 2390
Number of RIPE addresses announced to Internet: 657143780
Equivalent to 39 /8s, 43 /16s and 55 /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, 196608-199679
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: 51499
Total LACNIC prefixes after maximum aggregation: 9762
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 56191
Unique aggregates announced from the LACNIC address blocks: 25825
LACNIC Region origin ASes present in the Internet Routing Table: 2011
LACNIC Prefixes per ASN: 27.94
LACNIC Region origin ASes announcing only one prefix: 566
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: 819
Number of LACNIC addresses announced to Internet: 137498160
Equivalent to 8 /8s, 50 /16s and 14 /24s
Percentage of available LACNIC address space announced: 82.0
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: 11655
Total AfriNIC prefixes after maximum aggregation: 2549
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12269
Unique aggregates announced from the AfriNIC address blocks: 3952
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 18.82
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 138
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: 6
Number of AfriNIC addresses announced to Internet: 46563072
Equivalent to 2 /8s, 198 /16s and 127 /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 2919 11561 924 Korea Telecom (KIX)
17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2068 321 112 TPG Internet Pty Ltd
4755 1769 390 190 TATA Communications formerly
9829 1547 1237 46 BSNL National Internet Backbo
9583 1229 92 508 Sify Limited
9498 1184 309 70 BHARTI Airtel Ltd.
4808 1160 2129 342 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1090 394 160 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 3068 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2041 2933 125 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
20115 1675 1645 630 Charter Communications
4323 1618 1119 410 Time Warner Telecom
701 1520 11119 796 UUNET Technologies, Inc.
30036 1344 301 643 Mediacom Communications Corp
7018 1313 11277 827 AT&T WorldNet Services
11492 1220 218 366 Cable One
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 1724 544 16 Corbina telecom
34984 1314 244 221 BILISIM TELEKOM
2118 1179 97 13 EUnet/RELCOM Autonomous Syste
20940 987 355 766 Akamai Technologies European
31148 982 43 18 FreeNet ISP
6830 895 2367 427 UPC Distribution Services
13188 847 99 72 Educational Network
8551 752 370 41 Bezeq International
12479 687 797 53 Uni2 Autonomous System
58113 541 55 339 LIR DATACENTER TELECOM SRL
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 3232 1719 96 NET Servicos de Comunicao S.A
10620 2547 416 259 TVCABLE BOGOTA
7303 1693 1118 223 Telecom Argentina Stet-France
18881 1430 844 20 Global Village Telecom
8151 1282 2775 386 UniNet S.A. de C.V.
14522 987 150 9 SatNet S.A.
11830 926 364 15 Instituto Costarricense de El
27947 838 94 91 Telconet S.A
6503 812 434 64 AVANTEL, S.A.
7738 764 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 1861 112 5 MOBITEL
24863 869 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 257 921 216 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
12258 193 28 71 Vodacom Internet Company
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 3232 1719 96 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2919 11561 924 Korea Telecom (KIX)
17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2547 416 259 TVCABLE BOGOTA
7545 2068 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 125 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
36998 1861 112 5 MOBITEL
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 3068 3006 bellsouth.net, inc.
17974 2667 2576 PT TELEKOMUNIKASI INDONESIA
10620 2547 2288 TVCABLE BOGOTA
4766 2919 1995 Korea Telecom (KIX)
7545 2068 1956 TPG Internet Pty Ltd
22773 2041 1916 Cox Communications, Inc.
1785 2013 1888 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1724 1708 Corbina telecom
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.
23.92.16.0/21 8001 Net Access Corporation
23.92.24.0/22 6939 Hurricane Electric
23.92.48.0/20 29761 OC3 Networks & Web Solutions,
23.92.64.0/24 54540 Incero LLC
23.92.65.0/24 54540 Incero LLC
23.92.66.0/24 54540 Incero LLC
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 /11:93 /12:250
/13:479 /14:911 /15:1612 /16:12783 /17:6696 /18:11128
/19:22799 /20:32381 /21:35037 /22:49361 /23:43119 /24:247605
/25:827 /26:990 /27:467 /28:48 /29:77 /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 1826 1861 MOBITEL
6389 1713 3068 bellsouth.net, inc.
8402 1447 1724 Corbina telecom
22773 1327 2041 Cox Communications, Inc.
30036 1207 1344 Mediacom Communications Corp
11492 1181 1220 Cable One
1785 1085 2013 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
7011 933 1176 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:844 3:3 4:19 5:940 6:19
8:614 12:1894 13:2 14:867 15:11 16:3
17:11 18:19 20:18 23:377 24:1744 27:1565
31:1436 32:45 33:2 34:5 36:71 37:1863
38:898 39:4 40:179 41:3294 42:255 44:9
46:1972 47:4 49:665 50:840 52:12 54:37
55:7 57:26 58:1168 59:621 60:336 61:1415
62:1225 63:1990 64:4558 65:2311 66:4166 67:2064
68:1090 69:3302 70:863 71:496 72:2007 74:2549
75:329 76:304 77:1163 78:1056 79:625 80:1318
81:1024 82:646 83:582 84:581 85:1264 86:483
87:1049 88:556 89:1833 90:158 91:5623 92:604
93:1675 94:2027 95:1569 96:509 97:339 98:1041
99:44 100:29 101:598 103:3292 105:519 106:142
107:207 108:501 109:1878 110:963 111:1129 112:568
113:792 114:732 115:987 116:977 117:818 118:1124
119:1287 120:366 121:740 122:1872 123:1249 124:1387
125:1422 128:614 129:221 130:318 131:671 132:351
133:161 134:287 135:67 136:272 137:267 138:348
139:180 140:196 141:325 142:554 143:387 144:493
145:100 146:529 147:490 148:691 149:356 150:152
151:581 152:416 153:195 154:30 155:480 156:274
157:409 158:284 159:754 160:350 161:458 162:629
163:226 164:626 165:561 166:256 167:606 168:1033
169:125 170:1083 171:194 172:25 173:1600 174:520
175:499 176:1190 177:2148 178:1907 179:113 180:1528
181:706 182:1264 183:436 184:633 185:809 186:2475
187:1448 188:1896 189:1308 190:7263 192:6915 193:5705
194:4650 195:3573 196:1340 197:1011 198:4664 199:5445
200:6059 201:2608 202:8941 203:8920 204:4521 205:2619
206:2835 207:2901 208:4003 209:3623 210:2945 211:1560
212:2265 213:2056 214:919 215:100 216:5287 217:1653
218:623 219:312 220:1277 221:557 222:326 223:499
End of report
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