[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 19 18:50:44 UTC 2012
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 20 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 428559
Prefixes after maximum aggregation: 179230
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210798
Total ASes present in the Internet Routing Table: 42395
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33734
Origin ASes announcing only one prefix: 15789
Transit ASes present in the Internet Routing Table: 5646
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 853
Unregistered ASNs in the Routing Table: 317
Number of 32-bit ASNs allocated by the RIRs: 3396
Number of 32-bit ASNs visible in the Routing Table: 3015
Prefixes from 32-bit ASNs in the Routing Table: 8150
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2606837356
Equivalent to 155 /8s, 97 /16s and 46 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150124
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103203
Total APNIC prefixes after maximum aggregation: 32571
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 103964
Unique aggregates announced from the APNIC address blocks: 43021
APNIC Region origin ASes present in the Internet Routing Table: 4773
APNIC Prefixes per ASN: 21.78
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 773
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 334
Number of APNIC addresses announced to Internet: 711007648
Equivalent to 42 /8s, 97 /16s and 29 /24s
Percentage of available APNIC address space announced: 83.1
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: 154687
Total ARIN prefixes after maximum aggregation: 78240
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155549
Unique aggregates announced from the ARIN address blocks: 69508
ARIN Region origin ASes present in the Internet Routing Table: 15279
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5776
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086895232
Equivalent to 64 /8s, 200 /16s and 180 /24s
Percentage of available ARIN address space announced: 57.5
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, 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: 108941
Total RIPE prefixes after maximum aggregation: 57423
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111567
Unique aggregates announced from the RIPE address blocks: 71809
RIPE Region origin ASes present in the Internet Routing Table: 16909
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8137
RIPE Region transit ASes present in the Internet Routing Table: 2742
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: 1960
Number of RIPE addresses announced to Internet: 648350500
Equivalent to 38 /8s, 165 /16s and 11 /24s
Percentage of available RIPE address space announced: 94.3
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: 43966
Total LACNIC prefixes after maximum aggregation: 8703
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47340
Unique aggregates announced from the LACNIC address blocks: 22764
LACNIC Region origin ASes present in the Internet Routing Table: 1679
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 460
LACNIC Region transit ASes present in the Internet Routing Table: 320
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 698
Number of LACNIC addresses announced to Internet: 117995816
Equivalent to 7 /8s, 8 /16s and 121 /24s
Percentage of available LACNIC address space announced: 70.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 9492
Total AfriNIC prefixes after maximum aggregation: 2239
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 9980
Unique aggregates announced from the AfriNIC address blocks: 3557
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42290432
Equivalent to 2 /8s, 133 /16s and 77 /24s
Percentage of available AfriNIC address space announced: 42.0
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 2968 11430 899 Korea Telecom (KIX)
17974 2366 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1775 301 87 TPG Internet Pty Ltd
4755 1617 387 163 TATA Communications formerly
9829 1409 1154 41 BSNL National Internet Backbo
9583 1199 89 512 Sify Limited
4808 1112 2056 315 CNCGROUP IP network: China169
7552 1090 1062 15 Vietel Corporation
24560 1036 385 162 Bharti Airtel Ltd., Telemedia
9498 1019 307 69 BHARTI Airtel Ltd.
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 3187 3726 166 bellsouth.net, inc.
7029 3136 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1926 678 126 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
20115 1660 1583 615 Charter Communications
4323 1590 1155 392 Time Warner Telecom
30036 1353 269 748 Mediacom Communications Corp
7018 1270 10303 843 AT&T WorldNet Services
7011 1220 333 690 Citizens Utilities
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 1783 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 Uni2 Autonomous System
34984 813 207 189 BILISIM TELEKOM
31148 725 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
20940 706 223 548 Akamai Technologies European
13188 702 93 144 Educational Network
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 575 364 61 Bezeq International
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
10620 2194 378 227 TVCABLE BOGOTA
28573 2139 1277 60 NET Servicos de Comunicao S.A
7303 1662 1131 203 Telecom Argentina Stet-France
8151 1590 3028 355 UniNet S.A. de C.V.
6503 1539 435 69 AVANTEL, S.A.
27947 737 74 95 Telconet S.A
3816 649 309 70 Empresa Nacional de Telecomun
11172 596 85 66 Servicios Alestra S.A de C.V
14420 589 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 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
24863 895 275 36 LINKdotNET AS number
36998 672 48 3 MOBITEL
8452 644 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 682 85 MTN Network Solutions
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
6389 3187 3726 166 bellsouth.net, inc.
7029 3136 990 162 Windstream Communications Inc
4766 2968 11430 899 Korea Telecom (KIX)
17974 2366 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2194 378 227 TVCABLE BOGOTA
28573 2139 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1926 678 126 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
8402 1783 544 16 Corbina 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
7029 3136 2974 Windstream Communications Inc
17974 2366 2312 PT TELEKOMUNIKASI INDONESIA
28573 2139 2079 NET Servicos de Comunicao S.A
4766 2968 2069 Korea Telecom (KIX)
10620 2194 1967 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1926 1800 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications, Inc.
8402 1783 1767 Corbina telecom
7545 1775 1688 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
41.220.81.0/24 38925 DAC AS Germany
41.220.94.0/23 42235 Intra Data Communication
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:18 /9:14 /10:29 /11:87 /12:242
/13:478 /14:849 /15:1547 /16:12450 /17:6502 /18:10844
/19:21201 /20:30464 /21:32460 /22:42916 /23:40154 /24:224076
/25:1352 /26:1684 /27:907 /28:177 /29:66 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2625 3136 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1792 3187 bellsouth.net, inc.
8402 1493 1783 Corbina telecom
30036 1280 1353 Mediacom Communications Corp
22773 1247 1907 Cox Communications, Inc.
11492 1148 1183 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1016 1926 PaeTec Communications, Inc.
7011 956 1220 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:648 2:771 3:1 4:13 5:576 6:3
8:474 12:1982 13:1 14:669 15:11 16:3
17:6 20:27 23:211 24:1789 27:1369 31:1031
32:54 33:2 34:2 36:7 37:860 38:830
39:2 40:136 41:2757 42:158 44:3 46:1650
47:2 49:455 50:598 52:12 54:25 55:8
56:5 57:27 58:983 59:546 60:236 61:1294
62:940 63:2001 64:4281 65:2231 66:4529 67:2077
68:1153 69:3231 70:987 71:505 72:1868 74:2609
75:481 76:309 77:984 78:981 79:503 80:1233
81:970 82:623 83:542 84:521 85:1153 86:484
87:943 88:360 89:1804 90:304 91:5257 92:584
93:1465 94:1644 95:1143 96:396 97:325 98:973
99:39 100:32 101:269 103:1663 105:428 106:121
107:201 108:484 109:1586 110:805 111:972 112:435
113:727 114:629 115:891 116:895 117:755 118:945
119:1223 120:332 121:689 122:1698 123:1163 124:1340
125:1282 128:569 129:196 130:284 131:611 132:304
133:22 134:250 135:62 136:219 137:241 138:338
139:170 140:492 141:286 142:492 143:380 144:498
145:82 146:507 147:268 148:756 149:331 150:154
151:199 152:448 153:179 154:20 155:431 156:227
157:373 158:258 159:660 160:339 161:412 162:365
163:191 164:706 165:442 166:526 167:555 168:993
169:126 170:920 171:166 172:7 173:1657 174:616
175:453 176:766 177:1285 178:1611 180:1347 181:162
182:1106 183:314 184:608 185:28 186:2218 187:1334
188:1692 189:1599 190:5822 192:6050 193:5535 194:4595
195:3663 196:1230 197:244 198:3864 199:5098 200:5982
201:1969 202:8683 203:8719 204:4413 205:2530 206:2771
207:2804 208:4070 209:3627 210:2834 211:1535 212:2009
213:1851 214:897 215:87 216:5121 217:1570 218:572
219:314 220:1252 221:532 222:337 223:410
End of report
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