Routing Table Report 00:00 GMT Thu 05 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: 392530
Prefixes after maximum aggregation: 169821
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184835
Total ASes present in the Internet Routing Table: 39756
Prefixes per ASN: 9.87
Origin-only ASes present in the Internet Routing Table: 32588
Origin ASes announcing only one prefix: 15523
Transit ASes present in the Internet Routing Table: 5345
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 30
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6491
Unregistered ASNs in the Routing Table: 1055
Number of 32-bit ASNs allocated by the RIRs: 2155
Number of 32-bit ASNs visible in the Routing Table: 1823
Prefixes from 32-bit ASNs in the Routing Table: 4339
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2335067366
Equivalent to 139 /8s, 46 /16s and 76 /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: 91.9
Total number of prefixes smaller than registry allocations: 164853
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94405
Total APNIC prefixes after maximum aggregation: 30297
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 90831
Unique aggregates announced from the APNIC address blocks: 37267
APNIC Region origin ASes present in the Internet Routing Table: 4605
APNIC Prefixes per ASN: 19.72
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 744
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 616512256
Equivalent to 36 /8s, 191 /16s and 59 /24s
Percentage of available APNIC address space announced: 78.2
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: 149632
Total ARIN prefixes after maximum aggregation: 77175
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121541
Unique aggregates announced from the ARIN address blocks: 46125
ARIN Region origin ASes present in the Internet Routing Table: 14848
ARIN Prefixes per ASN: 8.19
ARIN Region origin ASes announcing only one prefix: 5675
ARIN Region transit ASes present in the Internet Routing Table: 1533
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: 666753288
Equivalent to 39 /8s, 189 /16s and 217 /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: 97587
Total RIPE prefixes after maximum aggregation: 52118
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88761
Unique aggregates announced from the RIPE address blocks: 54156
RIPE Region origin ASes present in the Internet Routing Table: 16240
RIPE Prefixes per ASN: 5.47
RIPE Region origin ASes announcing only one prefix: 7980
RIPE Region transit ASes present in the Internet Routing Table: 2594
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1273
Number of RIPE addresses announced to Internet: 479295372
Equivalent to 28 /8s, 145 /16s and 119 /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: 37722
Total LACNIC prefixes after maximum aggregation: 8073
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37174
Unique aggregates announced from the LACNIC address blocks: 19172
LACNIC Region origin ASes present in the Internet Routing Table: 1559
LACNIC Prefixes per ASN: 23.84
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 282
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 407
Number of LACNIC addresses announced to Internet: 95174920
Equivalent to 5 /8s, 172 /16s and 65 /24s
Percentage of available LACNIC address space announced: 63.0
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: 8600
Total AfriNIC prefixes after maximum aggregation: 2084
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6630
Unique aggregates announced from the AfriNIC address blocks: 2067
AfriNIC Region origin ASes present in the Internet Routing Table: 502
AfriNIC Prefixes per ASN: 13.21
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 114
Average AfriNIC Region AS path length visible: 4.0
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: 30731520
Equivalent to 1 /8s, 212 /16s and 237 /24s
Percentage of available AfriNIC address space announced: 45.8
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 1902 11097 657 Korea Telecom (KIX)
17974 1721 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4755 1516 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1412 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1065 2020 301 CNCGROUP IP network: China169
24560 1006 383 163 Bharti Airtel Ltd.
18101 976 131 157 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 3477 3814 218 bellsouth.net, inc.
7029 2953 1034 215 Windstream Communications Inc
18566 2094 382 177 Covad Communications
1785 1863 680 122 AppliedTheory Corporation
4323 1621 1081 385 Time Warner Telecom
20115 1615 1551 619 Charter Communications
22773 1518 2909 107 Cox Communications, Inc.
30036 1480 263 689 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1314 7047 867 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 1479 480 15 Corbina telecom
286 1095 806 197 KPNQwest Backbone AS
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 643 1927 413 UPC Distribution Services
34984 636 132 198 Tellcom Iletisim Hizmetleri
20940 560 179 448 Akamai Technologies European
12479 552 636 53 Uni2 Autonomous System
9116 541 326 32 Goldenlines main autonomous s
3292 532 2106 408 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 1721 319 159 TVCABLE BOGOTA
28573 1562 1064 76 Types of queries are: POCs, o
8151 1500 2970 343 Uninet S.A. de C.V.
7303 1253 755 177 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
6503 549 434 69 AVANTEL, S.A.
3816 548 237 92 COLOMBIA TELECOMUNICACIONES S
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 1039 958 13 TEDATA
24863 792 146 34 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 191 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 3477 3814 218 bellsouth.net, inc.
7029 2953 1034 215 Windstream Communications Inc
18566 2094 382 177 Covad Communications
4766 1902 11097 657 Korea Telecom (KIX)
1785 1863 680 122 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1721 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4323 1621 1081 385 Time Warner Telecom
20115 1615 1551 619 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 2953 2738 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1863 1741 AppliedTheory Corporation
17974 1721 1684 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1627 1541 TPG Internet Pty Ltd
28573 1562 1486 Types of queries are: POCs, o
8402 1479 1464 Corbina telecom
22773 1518 1411 Cox Communications, Inc.
7552 1412 1405 Vietel Corporation
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
37.34.56.0/21 20857 TransIP BV
41.222.79.0/24 37345 MEDALLION Communications
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 /14:820 /15:1480 /16:12226 /17:6390 /18:10501
/19:20718 /20:29104 /21:28729 /22:39083 /23:36462 /24:204416
/25:69 /26:84 /27:109 /28:294 /29:113 /30:548
/31:52 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2578 2953 Windstream Communications Inc
6389 2121 3477 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1458 1479 Corbina telecom
30036 1439 1480 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1065 1863 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)
----------------------------------------------
1:496 2:413 4:19 5:1 6:3 8:369
12:1950 13:1 14:584 15:11 16:3 17:7
20:9 23:84 24:1720 27:1171 31:836 32:122
33:2 34:2 36:4 37:13 38:799 39:1
40:114 41:3023 42:85 43:1 44:3 46:1166
47:3 49:299 50:501 52:13 55:5 56:2
57:51 58:946 59:487 60:343 61:1186 62:954
63:1985 64:4144 65:2305 66:4394 67:2019 68:1351
69:3256 70:970 71:411 72:1815 73:1 74:2701
75:445 76:333 77:942 78:884 79:518 80:1180
81:854 82:545 83:536 84:591 85:1173 86:755
87:916 88:352 89:1605 90:261 91:4413 92:535
93:1514 94:1345 95:1036 96:404 97:293 98:791
99:38 100:18 101:249 103:613 106:10 107:120
108:104 109:1434 110:704 111:839 112:429 113:515
114:609 115:739 116:896 117:734 118:901 119:1259
120:365 121:693 122:1619 123:1056 124:1368 125:1350
128:514 129:194 130:189 131:588 132:155 133:21
134:227 135:54 136:213 137:151 138:284 139:139
140:489 141:261 142:383 143:378 144:495 145:67
146:473 147:233 148:687 149:277 150:165 151:192
152:444 153:169 154:7 155:400 156:210 157:366
158:155 159:507 160:345 161:221 162:336 163:188
164:523 165:415 166:546 167:455 168:816 169:147
170:828 171:95 172:4 173:1807 174:592 175:437
176:332 177:447 178:1169 180:1239 181:43 182:688
183:264 184:421 185:1 186:1475 187:815 188:1008
189:1173 190:5364 192:6011 193:5471 194:3828 195:3257
196:1298 197:175 198:3634 199:4262 200:5614 201:1692
202:8599 203:8590 204:4349 205:2430 206:2735 207:2810
208:4023 209:3562 210:2765 211:1484 212:2008 213:1822
214:832 215:94 216:4947 217:1489 218:571 219:339
220:1250 221:564 222:326 223:267
End of report
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