[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 23 18:52:49 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 24 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 433102
Prefixes after maximum aggregation: 180255
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212958
Total ASes present in the Internet Routing Table: 42668
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33846
Origin ASes announcing only one prefix: 15810
Transit ASes present in the Internet Routing Table: 5685
Transit-only ASes present in the Internet Routing Table: 146
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: 1075
Unregistered ASNs in the Routing Table: 391
Number of 32-bit ASNs allocated by the RIRs: 3517
Number of 32-bit ASNs visible in the Routing Table: 3137
Prefixes from 32-bit ASNs in the Routing Table: 8493
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 142
Number of addresses announced to Internet: 2614015436
Equivalent to 155 /8s, 206 /16s and 181 /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: 152688
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104685
Total APNIC prefixes after maximum aggregation: 32638
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105522
Unique aggregates announced from the APNIC address blocks: 43207
APNIC Region origin ASes present in the Internet Routing Table: 4790
APNIC Prefixes per ASN: 22.03
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 785
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: 369
Number of APNIC addresses announced to Internet: 714988544
Equivalent to 42 /8s, 157 /16s and 220 /24s
Percentage of available APNIC address space announced: 83.6
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: 155445
Total ARIN prefixes after maximum aggregation: 78480
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156204
Unique aggregates announced from the ARIN address blocks: 70101
ARIN Region origin ASes present in the Internet Routing Table: 15305
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: 1600
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: 1087357824
Equivalent to 64 /8s, 207 /16s and 195 /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: 110433
Total RIPE prefixes after maximum aggregation: 57925
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113258
Unique aggregates announced from the RIPE address blocks: 73050
RIPE Region origin ASes present in the Internet Routing Table: 16968
RIPE Prefixes per ASN: 6.67
RIPE Region origin ASes announcing only one prefix: 8133
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: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2029
Number of RIPE addresses announced to Internet: 648840484
Equivalent to 38 /8s, 172 /16s and 133 /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: 44379
Total LACNIC prefixes after maximum aggregation: 8880
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 47907
Unique aggregates announced from the LACNIC address blocks: 22966
LACNIC Region origin ASes present in the Internet Routing Table: 1715
LACNIC Prefixes per ASN: 27.93
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: 716
Number of LACNIC addresses announced to Internet: 119525160
Equivalent to 7 /8s, 31 /16s and 207 /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: 9551
Total AfriNIC prefixes after maximum aggregation: 2277
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10069
Unique aggregates announced from the AfriNIC address blocks: 3511
AfriNIC Region origin ASes present in the Internet Routing Table: 574
AfriNIC Prefixes per ASN: 17.54
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 43010560
Equivalent to 2 /8s, 144 /16s and 74 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2949 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1802 301 89 TPG Internet Pty Ltd
4755 1622 374 158 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1181 88 498 Sify Limited
7552 1140 1062 11 Vietel Corporation
4808 1126 2056 317 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1028 310 75 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 3201 991 190 Windstream Communications Inc
6389 3152 3720 151 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1945 2931 129 Cox Communications, Inc.
1785 1932 678 126 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1587 1153 393 Time Warner Telecom
30036 1365 281 749 Mediacom Communications Corp
7018 1281 10276 851 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 1765 544 16 Corbina telecom
12479 857 777 64 Uni2 Autonomous System
34984 848 210 214 BILISIM TELEKOM
13188 739 94 130 Educational Network
31148 731 37 9 FreeNet ISP
6830 716 2313 435 UPC Distribution Services
20940 710 228 548 Akamai Technologies European
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 601 367 39 Bezeq International
2118 595 97 14 EUnet/RELCOM Autonomous Syste
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 2260 386 205 TVCABLE BOGOTA
28573 2178 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1600 3045 361 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 752 77 92 Telconet S.A
3816 660 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 594 716 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 871 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 518 666 20 Itissalat Al-MAGHRIB
8452 515 958 13 TEDATA
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 3201 991 190 Windstream Communications Inc
6389 3152 3720 151 bellsouth.net, inc.
4766 2949 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2260 386 205 TVCABLE BOGOTA
28573 2178 1285 66 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1945 2931 129 Cox Communications, Inc.
1785 1932 678 126 PaeTec Communications, Inc.
7545 1802 301 89 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 3152 3001 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2178 2112 NET Servicos de Comunicao S.A
10620 2260 2055 TVCABLE BOGOTA
4766 2949 2049 Korea Telecom (KIX)
18566 2084 1904 Covad Communications
22773 1945 1816 Cox Communications, Inc.
1785 1932 1806 PaeTec Communications, Inc.
8402 1765 1749 Corbina telecom
7545 1802 1713 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
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
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
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
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
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 /12:242
/13:477 /14:857 /15:1556 /16:12439 /17:6547 /18:10885
/19:21423 /20:30769 /21:32783 /22:43599 /23:40541 /24:226565
/25:1364 /26:1713 /27:894 /28:178 /29:79 /30:17
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3201 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1782 3152 bellsouth.net, inc.
8402 1483 1765 Corbina telecom
30036 1279 1365 Mediacom Communications Corp
22773 1275 1945 Cox Communications, Inc.
11492 1145 1180 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1017 1932 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)
----------------------------------------------
1:654 2:779 3:1 4:13 5:654 6:3
8:487 12:1958 13:3 14:698 15:11 16:3
17:6 20:27 23:213 24:1779 27:1417 31:1277
32:54 33:2 34:2 36:7 37:1042 38:843
39:2 40:140 41:2612 42:179 44:3 46:1668
47:2 49:506 50:612 52:12 54:27 55:4
57:28 58:1062 59:549 60:234 61:1284 62:1029
63:2025 64:4337 65:2200 66:4513 67:2101 68:1162
69:3232 70:928 71:556 72:1895 74:2617 75:484
76:299 77:993 78:1013 79:505 80:1234 81:985
82:622 83:539 84:523 85:1159 86:514 87:957
88:348 89:1745 90:305 91:5348 92:589 93:1530
94:1815 95:1413 96:409 97:323 98:976 99:40
100:31 101:291 103:1830 105:514 106:119 107:203
108:480 109:1653 110:821 111:983 112:459 113:735
114:686 115:901 116:887 117:779 118:961 119:1241
120:367 121:677 122:1739 123:1170 124:1327 125:1289
128:561 129:201 130:294 131:664 132:310 133:143
134:253 135:62 136:218 137:238 138:340 139:175
140:507 141:290 142:498 143:363 144:483 145:87
146:529 147:265 148:738 149:330 150:148 151:220
152:398 153:183 154:22 155:434 156:227 157:370
158:274 159:670 160:337 161:414 162:370 163:191
164:581 165:449 166:478 167:560 168:976 169:130
170:918 171:149 172:6 173:1707 174:636 175:436
176:735 177:1478 178:1671 180:1384 181:175 182:1113
183:302 184:638 185:90 186:2056 187:1410 188:1773
189:1593 190:5950 192:6050 193:5417 194:4260 195:3591
196:1233 197:270 198:3951 199:5115 200:5955 201:1926
202:8810 203:8714 204:4441 205:2547 206:2774 207:2814
208:4078 209:3590 210:2875 211:1520 212:2132 213:1864
214:868 215:75 216:5199 217:1600 218:583 219:311
220:1258 221:529 222:337 223:414
End of report
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