Routing Table Report 00:00 GMT Mon 26 Dec, 2011
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 391028
Prefixes after maximum aggregation: 169482
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184221
Total ASes present in the Internet Routing Table: 39693
Prefixes per ASN: 9.85
Origin-only ASes present in the Internet Routing Table: 32594
Origin ASes announcing only one prefix: 15542
Transit ASes present in the Internet Routing Table: 5312
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 6335
Unregistered ASNs in the Routing Table: 1048
Number of 32-bit ASNs allocated by the RIRs: 2135
Number of 32-bit ASNs visible in the Routing Table: 1787
Prefixes from 32-bit ASNs in the Routing Table: 4242
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 108
Number of addresses announced to Internet: 2333726438
Equivalent to 139 /8s, 25 /16s and 214 /24s
Percentage of available address space announced: 63.0
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 164100
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94111
Total APNIC prefixes after maximum aggregation: 30252
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90535
Unique aggregates announced from the APNIC address blocks: 37158
APNIC Region origin ASes present in the Internet Routing Table: 4596
APNIC Prefixes per ASN: 19.70
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 745
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 123
Number of APNIC addresses announced to Internet: 616099328
Equivalent to 36 /8s, 184 /16s and 238 /24s
Percentage of available APNIC address space announced: 78.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 149530
Total ARIN prefixes after maximum aggregation: 77111
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121412
Unique aggregates announced from the ARIN address blocks: 45995
ARIN Region origin ASes present in the Internet Routing Table: 14836
ARIN Prefixes per ASN: 8.18
ARIN Region origin ASes announcing only one prefix: 5669
ARIN Region transit ASes present in the Internet Routing Table: 1522
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 666666760
Equivalent to 39 /8s, 188 /16s and 135 /24s
Percentage of available ARIN address space announced: 53.0
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, 173/8,
174/8, 184/8, 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: 96960
Total RIPE prefixes after maximum aggregation: 51917
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88178
Unique aggregates announced from the RIPE address blocks: 54039
RIPE Region origin ASes present in the Internet Routing Table: 16235
RIPE Prefixes per ASN: 5.43
RIPE Region origin ASes announcing only one prefix: 7997
RIPE Region transit ASes present in the Internet Routing Table: 2579
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1247
Number of RIPE addresses announced to Internet: 478933132
Equivalent to 28 /8s, 139 /16s and 240 /24s
Percentage of available RIPE address space announced: 77.2
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 37419
Total LACNIC prefixes after maximum aggregation: 8047
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 36830
Unique aggregates announced from the LACNIC address blocks: 18920
LACNIC Region origin ASes present in the Internet Routing Table: 1560
LACNIC Prefixes per ASN: 23.61
LACNIC Region origin ASes announcing only one prefix: 457
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 399
Number of LACNIC addresses announced to Internet: 94899720
Equivalent to 5 /8s, 168 /16s and 14 /24s
Percentage of available LACNIC address space announced: 62.8
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8492
Total AfriNIC prefixes after maximum aggregation: 2084
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 6542
Unique aggregates announced from the AfriNIC address blocks: 2111
AfriNIC Region origin ASes present in the Internet Routing Table: 499
AfriNIC Prefixes per ASN: 13.11
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 110
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30841856
Equivalent to 1 /8s, 214 /16s and 156 /24s
Percentage of available AfriNIC address space announced: 46.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1926 11097 659 Korea Telecom (KIX)
17974 1719 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4755 1514 385 155 Videsh Sanchar Nigam Ltd. Aut
7552 1420 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1101 81 494 Sify Limited
24560 1012 385 167 Bharti Airtel Ltd.
4808 1004 1986 284 CNCGROUP IP network: China169
18101 975 131 157 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3469 3814 220 bellsouth.net, inc.
7029 2959 1046 214 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1860 680 122 AppliedTheory Corporation
4323 1616 1081 385 Time Warner Telecom
20115 1611 1549 622 Charter Communications
22773 1515 2909 107 Cox Communications, Inc.
30036 1466 260 686 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1306 7013 859 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1460 480 15 Corbina telecom
286 1097 806 197 KPNQwest Backbone AS
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 650 1928 414 UPC Distribution Services
34984 628 132 197 Tellcom Iletisim Hizmetleri
20940 560 179 447 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
9116 541 326 32 Goldenlines main autonomous s
3292 531 2106 407 TDC Tele Danmark
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1720 318 158 TVCABLE BOGOTA
28573 1566 1064 75 Types of queries are: POCs, o
8151 1497 2962 350 Uninet S.A. de C.V.
7303 1249 752 174 Telecom Argentina Stet-France
27947 633 73 94 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 549 237 91 COLOMBIA TELECOMUNICACIONES S
6503 549 434 69 AVANTEL, S.A.
10481 547 429 25 Prima S.A.
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1037 958 13 TEDATA
24863 788 146 34 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 243 647 17 Itissalat Al-MAGHRIB
33776 240 13 8 Starcomms Nigeria Limited
15706 226 32 6 Sudatel Internet Exchange Aut
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 188 80 8 RAYA Telecom - Egypt
16637 157 664 85 Johnnic e-Ventures
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3469 3814 220 bellsouth.net, inc.
7029 2959 1046 214 Windstream Communications Inc
18566 2094 383 177 Covad Communications
4766 1926 11097 659 Korea Telecom (KIX)
1785 1860 680 122 AppliedTheory Corporation
10620 1720 318 158 TVCABLE BOGOTA
17974 1719 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4323 1616 1081 385 Time Warner Telecom
20115 1611 1549 622 Charter Communications
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 2959 2745 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1860 1738 AppliedTheory Corporation
17974 1719 1681 PT TELEKOMUNIKASI INDONESIA
10620 1720 1562 TVCABLE BOGOTA
7545 1626 1540 TPG Internet Pty Ltd
28573 1566 1491 Types of queries are: POCs, o
8402 1460 1445 Corbina telecom
7552 1420 1413 Vietel Corporation
22773 1515 1408 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/rviews/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
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.244.56/29 286 KPNQwest Backbone AS
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.rand.apnic.net/rviews/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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/rviews/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 /8:20 /9:12 /10:27 /11:81 /12:237
/13:465 /14:819 /15:1477 /16:12215 /17:6377 /18:10477
/19:20666 /20:29168 /21:28605 /22:38843 /23:36424 /24:203358
/25:69 /26:84 /27:111 /28:293 /29:113 /30:548
/31:52 /32:487
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2567 2959 Windstream Communications Inc
6389 2113 3469 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1615 1720 TVCABLE BOGOTA
8402 1439 1460 Corbina telecom
30036 1426 1466 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1860 AppliedTheory Corporation
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:472 2:405 4:19 5:1 6:3 8:368
12:1947 13:1 14:578 15:11 16:3 17:7
20:9 23:79 24:1720 27:1134 31:731 32:122
33:2 34:2 36:4 37:7 38:778 39:1
40:115 41:2985 42:77 43:1 44:3 46:1148
47:3 49:283 50:473 52:13 55:6 56:2
57:52 58:930 59:491 60:344 61:1179 62:953
63:1980 64:4156 65:2305 66:4398 67:2016 68:1353
69:3248 70:972 71:410 72:1817 73:1 74:2700
75:444 76:332 77:941 78:859 79:498 80:1174
81:834 82:541 83:534 84:584 85:1164 86:752
87:909 88:364 89:1603 90:260 91:4381 92:532
93:1504 94:1342 95:1041 96:401 97:287 98:792
99:38 100:2 101:254 103:593 106:11 107:118
108:103 109:1428 110:700 111:833 112:432 113:513
114:603 115:719 116:898 117:730 118:904 119:1266
120:360 121:696 122:1597 123:1038 124:1359 125:1348
128:515 129:192 130:187 131:589 132:163 133:21
134:226 135:54 136:213 137:151 138:285 139:137
140:490 141:256 142:384 143:390 144:501 145:67
146:477 147:233 148:684 149:269 150:165 151:192
152:445 153:170 154:7 155:397 156:210 157:363
158:154 159:504 160:359 161:221 162:333 163:186
164:522 165:410 166:544 167:455 168:817 169:147
170:829 171:95 172:4 173:1825 174:610 175:440
176:313 177:424 178:1152 180:1232 181:39 182:679
183:264 184:419 185:1 186:1402 187:780 188:998
189:1168 190:5326 192:6010 193:5464 194:3814 195:3248
196:1294 197:174 198:3635 199:4246 200:5540 201:1691
202:8580 203:8545 204:4352 205:2423 206:2705 207:2823
208:4023 209:3593 210:2770 211:1485 212:1996 213:1812
214:799 215:93 216:4952 217:1484 218:570 219:337
220:1262 221:529 222:325 223:265
End of report
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