Routing Table Report 00:00 GMT Thu 19 Jan, 2012
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: 395879
Prefixes after maximum aggregation: 170321
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 191266
Total ASes present in the Internet Routing Table: 39897
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32724
Origin ASes announcing only one prefix: 15549
Transit ASes present in the Internet Routing Table: 5306
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6736
Unregistered ASNs in the Routing Table: 1103
Number of 32-bit ASNs allocated by the RIRs: 2192
Number of 32-bit ASNs visible in the Routing Table: 1867
Prefixes from 32-bit ASNs in the Routing Table: 4518
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 124
Number of addresses announced to Internet: 2511528678
Equivalent to 149 /8s, 178 /16s and 226 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 166224
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94920
Total APNIC prefixes after maximum aggregation: 30464
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 91397
Unique aggregates announced from the APNIC address blocks: 38994
APNIC Region origin ASes present in the Internet Routing Table: 4626
APNIC Prefixes per ASN: 19.76
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 133
Number of APNIC addresses announced to Internet: 635371008
Equivalent to 37 /8s, 222 /16s and 254 /24s
Percentage of available APNIC address space announced: 80.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 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: 150472
Total ARIN prefixes after maximum aggregation: 77401
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 122123
Unique aggregates announced from the ARIN address blocks: 49117
ARIN Region origin ASes present in the Internet Routing Table: 14877
ARIN Prefixes per ASN: 8.21
ARIN Region origin ASes announcing only one prefix: 5674
ARIN Region transit ASes present in the Internet Routing Table: 1540
Average ARIN Region AS path length visible: 3.5
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: 804882440
Equivalent to 47 /8s, 249 /16s and 136 /24s
Percentage of available ARIN address space announced: 64.0
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: 99219
Total RIPE prefixes after maximum aggregation: 52181
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 90308
Unique aggregates announced from the RIPE address blocks: 55635
RIPE Region origin ASes present in the Internet Routing Table: 16271
RIPE Prefixes per ASN: 5.55
RIPE Region origin ASes announcing only one prefix: 7992
RIPE Region transit ASes present in the Internet Routing Table: 2556
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1299
Number of RIPE addresses announced to Internet: 497853836
Equivalent to 29 /8s, 172 /16s and 165 /24s
Percentage of available RIPE address space announced: 80.2
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: 37889
Total LACNIC prefixes after maximum aggregation: 8099
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 37409
Unique aggregates announced from the LACNIC address blocks: 19317
LACNIC Region origin ASes present in the Internet Routing Table: 1567
LACNIC Prefixes per ASN: 23.87
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 417
Number of LACNIC addresses announced to Internet: 95479816
Equivalent to 5 /8s, 176 /16s and 232 /24s
Percentage of available LACNIC address space announced: 63.2
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8626
Total AfriNIC prefixes after maximum aggregation: 2104
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6627
Unique aggregates announced from the AfriNIC address blocks: 2089
AfriNIC Region origin ASes present in the Internet Routing Table: 511
AfriNIC Prefixes per ASN: 12.97
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 120
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: 30829312
Equivalent to 1 /8s, 214 /16s and 107 /24s
Percentage of available AfriNIC address space announced: 45.9
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 1904 11089 658 Korea Telecom (KIX)
17974 1719 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1623 303 86 TPG Internet Pty Ltd
4755 1524 385 154 Videsh Sanchar Nigam Ltd. Aut
7552 1424 1064 7 Vietel Corporation
9829 1162 989 28 BSNL National Internet Backbo
9583 1118 81 490 Sify Limited
18101 944 130 154 Reliance Infocom Ltd Internet
4808 931 1885 270 CNCGROUP IP network: China169
17488 925 160 229 Hathway IP Over Cable Interne
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 3457 3807 206 bellsouth.net, inc.
7029 3248 1033 214 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1863 680 124 AppliedTheory Corporation
20115 1618 1552 618 Charter Communications
4323 1602 1046 379 Time Warner Telecom
22773 1518 2909 108 Cox Communications, Inc.
30036 1483 265 698 Mediacom Communications Corp
19262 1387 4683 401 Verizon Global Networks
7018 1305 7042 855 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 1649 480 15 Corbina telecom
2118 1182 99 14 EUnet/RELCOM Autonomous Syste
286 1106 806 201 KPNQwest Backbone AS
15557 1096 2161 64 LDCOM NETWORKS
6830 645 1928 413 UPC Distribution Services
34984 637 188 171 Tellcom Iletisim Hizmetleri
31148 614 35 9 FreeNet ISP
20940 574 185 457 Akamai Technologies European
8551 572 360 81 Bezeq International
12479 553 637 53 Uni2 Autonomous System
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 1723 321 167 TVCABLE BOGOTA
28573 1592 1068 77 Types of queries are: POCs, o
8151 1498 2980 337 Uninet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 642 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
6503 552 434 70 AVANTEL, S.A.
3816 551 238 92 COLOMBIA TELECOMUNICACIONES S
7738 551 1050 31 Telecomunicacoes da Bahia 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 1029 958 13 TEDATA
24863 796 146 36 LINKdotNET AS number
6713 381 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 239 32 6 Sudatel Internet Exchange Aut
33776 225 12 20 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 YEBO-AS
24835 189 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 3457 3807 206 bellsouth.net, inc.
7029 3248 1033 214 Windstream Communications Inc
18566 2093 382 177 Covad Communications
4766 1904 11089 658 Korea Telecom (KIX)
1785 1863 680 124 AppliedTheory Corporation
10620 1723 321 167 TVCABLE BOGOTA
17974 1719 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1649 480 15 Corbina telecom
7545 1623 303 86 TPG Internet Pty Ltd
20115 1618 1552 618 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 3248 3034 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1863 1739 AppliedTheory Corporation
17974 1719 1683 PT TELEKOMUNIKASI INDONESIA
8402 1649 1634 Corbina telecom
10620 1723 1556 TVCABLE BOGOTA
7545 1623 1537 TPG Internet Pty Ltd
28573 1592 1515 Types of queries are: POCs, o
7552 1424 1417 Vietel Corporation
22773 1518 1410 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
37.58.128.0/17 16347 FITECH-NANCY
37.60.16.0/21 50923 Metroset Autonomus System
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 /11:80 /12:232
/13:458 /14:822 /15:1492 /16:12273 /17:6403 /18:10582
/19:20768 /20:29207 /21:29112 /22:39322 /23:37103 /24:206211
/25:66 /26:82 /27:109 /28:294 /29:116 /30:546
/31:52 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2859 3248 Windstream Communications Inc
6389 2118 3457 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1628 1649 Corbina telecom
10620 1618 1723 TVCABLE BOGOTA
30036 1440 1483 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1063 1863 AppliedTheory Corporation
15557 1046 1096 LDCOM NETWORKS
7011 1033 1150 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:506 2:471 4:19 5:1 6:3 8:380
12:1954 13:1 14:586 15:11 16:3 17:6
20:9 23:108 24:1717 27:1180 31:871 32:124
33:2 34:2 36:8 37:96 38:799 39:1
40:114 41:2906 42:88 43:1 44:3 46:1232
47:3 49:320 50:520 52:13 55:7 56:2
57:51 58:952 59:491 60:346 61:1177 62:959
63:1981 64:4126 65:2304 66:4430 67:2054 68:1341
69:3261 70:967 71:414 72:1830 73:1 74:2701
75:458 76:331 77:961 78:896 79:522 80:1179
81:869 82:575 83:536 84:590 85:1158 86:751
87:918 88:367 89:1608 90:257 91:4448 92:532
93:1552 94:1361 95:1087 96:398 97:299 98:795
99:38 100:18 101:257 103:659 106:10 107:133
108:130 109:1466 110:703 111:842 112:432 113:541
114:621 115:769 116:897 117:743 118:923 119:1268
120:356 121:701 122:1624 123:1065 124:1369 125:1348
128:518 129:195 130:213 131:591 132:161 133:21
134:234 135:59 136:213 137:151 138:288 139:157
140:491 141:260 142:380 143:404 144:511 145:68
146:487 147:233 148:687 149:279 150:166 151:193
152:446 153:170 154:7 155:412 156:210 157:368
158:155 159:510 160:320 161:221 162:337 163:187
164:530 165:412 166:561 167:456 168:852 169:148
170:830 171:105 172:4 173:1795 174:588 175:443
176:362 177:444 178:1191 180:1251 181:43 182:710
183:275 184:436 185:1 186:1499 187:839 188:980
189:1158 190:5345 192:6014 193:5491 194:4241 195:3382
196:1300 197:168 198:3635 199:4323 200:5651 201:1705
202:8501 203:8606 204:4348 205:2433 206:2768 207:2808
208:4033 209:3572 210:2771 211:1485 212:2023 213:1833
214:844 215:95 216:5008 217:1483 218:561 219:341
220:1259 221:558 222:326 223:270
End of report
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