[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 16 18:52:35 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 17 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 432112
Prefixes after maximum aggregation: 180096
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212508
Total ASes present in the Internet Routing Table: 42597
Prefixes per ASN: 10.14
Origin-only ASes present in the Internet Routing Table: 33812
Origin ASes announcing only one prefix: 15821
Transit ASes present in the Internet Routing Table: 5680
Transit-only ASes present in the Internet Routing Table: 144
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: 1034
Unregistered ASNs in the Routing Table: 371
Number of 32-bit ASNs allocated by the RIRs: 3490
Number of 32-bit ASNs visible in the Routing Table: 3105
Prefixes from 32-bit ASNs in the Routing Table: 8459
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 153
Number of addresses announced to Internet: 2612770316
Equivalent to 155 /8s, 187 /16s and 182 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.9
Total number of prefixes smaller than registry allocations: 151794
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104545
Total APNIC prefixes after maximum aggregation: 32647
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 105377
Unique aggregates announced from the APNIC address blocks: 43227
APNIC Region origin ASes present in the Internet Routing Table: 4784
APNIC Prefixes per ASN: 22.03
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 783
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 361
Number of APNIC addresses announced to Internet: 713916352
Equivalent to 42 /8s, 141 /16s and 127 /24s
Percentage of available APNIC address space announced: 83.4
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: 155346
Total ARIN prefixes after maximum aggregation: 78462
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156129
Unique aggregates announced from the ARIN address blocks: 69965
ARIN Region origin ASes present in the Internet Routing Table: 15295
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5768
ARIN Region transit ASes present in the Internet Routing Table: 1595
Average ARIN Region AS path length visible: 4.1
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: 1087292032
Equivalent to 64 /8s, 206 /16s and 194 /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: 109952
Total RIPE prefixes after maximum aggregation: 57875
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 112735
Unique aggregates announced from the RIPE address blocks: 72764
RIPE Region origin ASes present in the Internet Routing Table: 16963
RIPE Prefixes per ASN: 6.65
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2751
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2009
Number of RIPE addresses announced to Internet: 648665508
Equivalent to 38 /8s, 169 /16s and 217 /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: 44335
Total LACNIC prefixes after maximum aggregation: 8783
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47843
Unique aggregates announced from the LACNIC address blocks: 22811
LACNIC Region origin ASes present in the Internet Routing Table: 1708
LACNIC Prefixes per ASN: 28.01
LACNIC Region origin ASes announcing only one prefix: 487
LACNIC Region transit ASes present in the Internet Routing Table: 328
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 712
Number of LACNIC addresses announced to Internet: 119477800
Equivalent to 7 /8s, 31 /16s and 22 /24s
Percentage of available LACNIC address space announced: 71.2
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: 9357
Total AfriNIC prefixes after maximum aggregation: 2275
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 9875
Unique aggregates announced from the AfriNIC address blocks: 3607
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.48
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 43110912
Equivalent to 2 /8s, 145 /16s and 210 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2958 11557 898 Korea Telecom (KIX)
17974 2421 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1789 301 87 TPG Internet Pty Ltd
4755 1614 375 159 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1217 92 529 Sify Limited
7552 1141 1062 11 Vietel Corporation
4808 1111 2056 315 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 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
7029 3204 992 191 Windstream Communications Inc
6389 3157 3721 155 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1942 2931 129 Cox Communications, Inc.
1785 1931 678 126 PaeTec Communications, Inc.
20115 1680 1601 634 Charter Communications
4323 1586 1153 392 Time Warner Telecom
30036 1363 284 766 Mediacom Communications Corp
7018 1279 10276 855 AT&T WorldNet Services
7011 1222 334 692 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 1725 544 16 Corbina telecom
12479 854 777 64 Uni2 Autonomous System
34984 840 210 207 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 726 93 130 Educational Network
20940 713 230 552 Akamai Technologies European
6830 712 2313 435 UPC Distribution Services
2118 691 97 14 EUnet/RELCOM Autonomous Syste
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 595 364 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 2251 384 208 TVCABLE BOGOTA
28573 2177 1285 65 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1603 3044 356 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 748 77 92 Telconet S.A
3816 655 309 69 Empresa Nacional de Telecomun
11172 592 85 68 Servicios Alestra S.A de C.V
18881 587 716 18 Global Village Telecom
22047 579 326 15 VTR PUNTO NET 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 864 274 36 LINKdotNET AS number
36998 606 48 3 MOBITEL
8452 533 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 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
7029 3204 992 191 Windstream Communications Inc
6389 3157 3721 155 bellsouth.net, inc.
4766 2958 11557 898 Korea Telecom (KIX)
17974 2421 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2251 384 208 TVCABLE BOGOTA
28573 2177 1285 65 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1942 2931 129 Cox Communications, Inc.
1785 1931 678 126 PaeTec Communications, Inc.
7545 1789 301 87 TPG Internet Pty Ltd
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 3157 3002 bellsouth.net, inc.
17974 2421 2375 PT TELEKOMUNIKASI INDONESIA
28573 2177 2112 NET Servicos de Comunicao S.A
4766 2958 2060 Korea Telecom (KIX)
10620 2251 2043 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1942 1813 Cox Communications, Inc.
1785 1931 1805 PaeTec Communications, Inc.
8402 1725 1709 Corbina telecom
7545 1789 1702 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
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 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
41.220.94.0/23 42235 Intra Data Communication
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 /9:13 /10:29 /11:88 /12:243
/13:479 /14:851 /15:1553 /16:12442 /17:6539 /18:10892
/19:21349 /20:30749 /21:32827 /22:43338 /23:40503 /24:225937
/25:1357 /26:1696 /27:910 /28:179 /29:79 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3204 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1783 3157 bellsouth.net, inc.
8402 1441 1725 Corbina telecom
30036 1279 1363 Mediacom Communications Corp
22773 1272 1942 Cox Communications, Inc.
11492 1145 1180 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1016 1931 PaeTec Communications, Inc.
7011 957 1222 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:644 2:771 3:1 4:13 5:677 6:3
8:481 12:1956 13:3 14:695 15:11 16:3
17:6 20:27 23:213 24:1778 27:1409 31:1276
32:54 33:2 34:2 36:5 37:949 38:842
39:2 40:139 41:2567 42:179 44:3 46:1657
47:2 49:498 50:606 52:12 54:27 55:3
56:1 57:28 58:1059 59:541 60:237 61:1290
62:924 63:2018 64:4339 65:2201 66:4515 67:2103
68:1164 69:3228 70:933 71:556 72:1895 74:2615
75:483 76:293 77:990 78:1004 79:505 80:1225
81:981 82:619 83:540 84:520 85:1156 86:516
87:958 88:360 89:1753 90:305 91:5327 92:586
93:1467 94:1795 95:1413 96:412 97:323 98:961
99:40 100:31 101:292 103:1798 105:409 106:119
107:203 108:479 109:1642 110:832 111:976 112:436
113:734 114:674 115:880 116:888 117:759 118:959
119:1242 120:363 121:672 122:1729 123:1169 124:1334
125:1285 128:563 129:201 130:292 131:667 132:315
133:143 134:256 135:62 136:218 137:238 138:339
139:174 140:505 141:292 142:496 143:373 144:491
145:83 146:528 147:268 148:737 149:328 150:153
151:215 152:450 153:183 154:21 155:429 156:229
157:370 158:281 159:670 160:337 161:414 162:370
163:191 164:581 165:447 166:480 167:561 168:973
169:130 170:922 171:154 172:7 173:1697 174:636
175:453 176:730 177:1430 178:1662 180:1383 181:170
182:1098 183:301 184:631 185:68 186:2095 187:1412
188:1754 189:1619 190:5802 192:6056 193:5411 194:4288
195:3672 196:1239 197:263 198:3939 199:5095 200:6006
201:1975 202:8791 203:8704 204:4426 205:2542 206:2765
207:2805 208:4071 209:3610 210:2885 211:1530 212:2152
213:1869 214:896 215:75 216:5188 217:1580 218:577
219:312 220:1259 221:531 222:337 223:410
End of report
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