Routing Table Report 00:00 GMT Wed 11 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: 393255
Prefixes after maximum aggregation: 169848
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 184990
Total ASes present in the Internet Routing Table: 39785
Prefixes per ASN: 9.88
Origin-only ASes present in the Internet Routing Table: 32701
Origin ASes announcing only one prefix: 15517
Transit ASes present in the Internet Routing Table: 5253
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 25
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6580
Unregistered ASNs in the Routing Table: 1068
Number of 32-bit ASNs allocated by the RIRs: 2168
Number of 32-bit ASNs visible in the Routing Table: 1831
Prefixes from 32-bit ASNs in the Routing Table: 4396
Special use prefixes present in the Routing Table: 91
Prefixes being announced from unallocated address space: 123
Number of addresses announced to Internet: 2336557815
Equivalent to 139 /8s, 69 /16s and 10 /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: 165283
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94179
Total APNIC prefixes after maximum aggregation: 30299
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90605
Unique aggregates announced from the APNIC address blocks: 37348
APNIC Region origin ASes present in the Internet Routing Table: 4624
APNIC Prefixes per ASN: 19.59
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 722
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 127
Number of APNIC addresses announced to Internet: 617827328
Equivalent to 36 /8s, 211 /16s and 76 /24s
Percentage of available APNIC address space announced: 78.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 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: 150037
Total ARIN prefixes after maximum aggregation: 77212
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121816
Unique aggregates announced from the ARIN address blocks: 46160
ARIN Region origin ASes present in the Internet Routing Table: 14846
ARIN Prefixes per ASN: 8.21
ARIN Region origin ASes announcing only one prefix: 5663
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 666607112
Equivalent to 39 /8s, 187 /16s and 158 /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: 98308
Total RIPE prefixes after maximum aggregation: 52130
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 89486
Unique aggregates announced from the RIPE address blocks: 54193
RIPE Region origin ASes present in the Internet Routing Table: 16243
RIPE Prefixes per ASN: 5.51
RIPE Region origin ASes announcing only one prefix: 7976
RIPE Region transit ASes present in the Internet Routing Table: 2533
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1276
Number of RIPE addresses announced to Internet: 479467660
Equivalent to 28 /8s, 148 /16s and 24 /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: 37654
Total LACNIC prefixes after maximum aggregation: 8069
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37148
Unique aggregates announced from the LACNIC address blocks: 19173
LACNIC Region origin ASes present in the Internet Routing Table: 1562
LACNIC Prefixes per ASN: 23.78
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 288
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 410
Number of LACNIC addresses announced to Internet: 95206408
Equivalent to 5 /8s, 172 /16s and 188 /24s
Percentage of available LACNIC address space announced: 63.1
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: 8424
Total AfriNIC prefixes after maximum aggregation: 2064
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6450
Unique aggregates announced from the AfriNIC address blocks: 2039
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 12.75
AfriNIC Region origin ASes announcing only one prefix: 161
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.1
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: 30775296
Equivalent to 1 /8s, 213 /16s and 152 /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 1915 11097 662 Korea Telecom (KIX)
17974 1722 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4755 1516 385 157 Videsh Sanchar Nigam Ltd. Aut
9829 1163 989 28 BSNL National Internet Backbo
9583 1117 81 495 Sify Limited
7552 1074 1062 11 Vietel Corporation
24560 1010 384 167 Bharti Airtel Ltd.
18101 977 131 157 Reliance Infocom Ltd Internet
17488 945 161 224 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 3479 3814 218 bellsouth.net, inc.
7029 3260 1046 213 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 124 AppliedTheory Corporation
20115 1609 1549 629 Charter Communications
4323 1604 1064 383 Time Warner Telecom
22773 1520 2909 107 Cox Communications, Inc.
30036 1485 264 691 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1311 7046 862 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 1663 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
286 1095 806 199 KPNQwest Backbone AS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 413 UPC Distribution Services
34984 636 132 198 Tellcom Iletisim Hizmetleri
20940 562 182 451 Akamai Technologies European
8551 555 360 81 Bezeq International
12479 551 636 53 Uni2 Autonomous System
9116 541 326 32 Goldenlines main autonomous s
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 319 159 TVCABLE BOGOTA
28573 1569 1065 77 Types of queries are: POCs, o
8151 1502 2979 343 Uninet S.A. de C.V.
7303 1255 756 179 Telecom Argentina Stet-France
27947 634 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
3816 551 237 92 COLOMBIA TELECOMUNICACIONES S
7738 551 1050 31 Telecomunicacoes da Bahia S.A
6503 550 434 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 1025 958 13 TEDATA
24863 794 146 34 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 240 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 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 3479 3814 218 bellsouth.net, inc.
7029 3260 1046 213 Windstream Communications Inc
18566 2093 382 177 Covad Communications
4766 1915 11097 662 Korea Telecom (KIX)
1785 1865 680 124 AppliedTheory Corporation
17974 1722 503 37 PT TELEKOMUNIKASI INDONESIA
10620 1720 319 159 TVCABLE BOGOTA
8402 1663 480 15 Corbina telecom
7545 1627 303 86 TPG Internet Pty Ltd
20115 1609 1549 629 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 3260 3047 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1741 AppliedTheory Corporation
17974 1722 1685 PT TELEKOMUNIKASI INDONESIA
8402 1663 1648 Corbina telecom
10620 1720 1561 TVCABLE BOGOTA
7545 1627 1541 TPG Internet Pty Ltd
28573 1569 1492 Types of queries are: POCs, o
22773 1520 1413 Cox Communications, Inc.
4755 1516 1359 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65200 PRIVATE 10.121.254.0/28 286 KPNQwest Backbone AS
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
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.1.0/24 286 KPNQwest Backbone AS
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
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
37.34.48.0/21 35470 XL Network
37.44.8.0/21 51646 ICT Facilities E.U. B.V.
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 /12:236
/13:465 /14:821 /15:1488 /16:12249 /17:6402 /18:10500
/19:20705 /20:29066 /21:28774 /22:39111 /23:36628 /24:204966
/25:68 /26:80 /27:106 /28:290 /29:100 /30:525
/31:52 /32:483
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2863 3260 Windstream Communications Inc
6389 2123 3479 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1642 1663 Corbina telecom
10620 1615 1720 TVCABLE BOGOTA
30036 1444 1485 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1065 1865 AppliedTheory Corporation
15557 1046 1096 LDCOM NETWORKS
7011 1042 1159 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:492 2:471 4:19 5:1 6:3 8:370
10:1 12:1951 13:1 14:589 15:11 16:3
17:6 20:9 23:94 24:1718 27:1173 31:872
32:122 33:2 34:2 36:8 37:80 38:799
39:1 40:114 41:2852 42:85 43:1 44:3
46:1205 47:3 49:318 50:504 52:13 55:8
56:2 57:51 58:947 59:487 60:344 61:1190
62:959 63:1981 64:4139 65:2308 66:4396 67:2033
68:1337 69:3245 70:967 71:427 72:1817 73:1
74:2699 75:459 76:333 77:943 78:902 79:511
80:1192 81:869 82:552 83:537 84:589 85:1171
86:755 87:915 88:353 89:1619 90:261 91:4424
92:534 93:1544 94:1361 95:1073 96:403 97:296
98:796 99:38 100:18 101:250 103:633 106:10
107:129 108:110 109:1436 110:707 111:835 112:429
113:529 114:614 115:760 116:891 117:725 118:909
119:1266 120:252 121:694 122:1622 123:1054 124:1366
125:1309 128:530 129:195 130:195 131:588 132:162
133:21 134:227 135:57 136:213 137:151 138:286
139:155 140:491 141:262 142:381 143:399 144:503
145:68 146:477 147:234 148:689 149:277 150:165
151:193 152:443 153:166 154:7 155:410 156:210
157:368 158:155 159:511 160:344 161:222 162:337
163:188 164:515 165:414 166:558 167:456 168:759
169:148 170:830 171:101 172:4 173:1796 174:605
175:440 176:348 177:447 178:1174 180:1246 181:43
182:688 183:267 184:432 185:1 186:1497 187:814
188:1032 189:1164 190:5282 192:6012 193:5480 194:3970
195:3366 196:1295 197:173 198:3634 199:4296 200:5617
201:1693 202:8520 203:8613 204:4351 205:2434 206:2732
207:2812 208:4043 209:3572 210:2767 211:1503 212:2021
213:1829 214:836 215:94 216:4975 217:1485 218:570
219:338 220:1226 221:560 222:327 223:269
End of report
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