Routing Table Report 00:00 GMT Tue 07 Feb, 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: 400257
Prefixes after maximum aggregation: 170960
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 191973
Total ASes present in the Internet Routing Table: 40053
Prefixes per ASN: 9.99
Origin-only ASes present in the Internet Routing Table: 32709
Origin ASes announcing only one prefix: 15547
Transit ASes present in the Internet Routing Table: 5405
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5076
Unregistered ASNs in the Routing Table: 141
Number of 32-bit ASNs allocated by the RIRs: 2266
Number of 32-bit ASNs visible in the Routing Table: 1939
Prefixes from 32-bit ASNs in the Routing Table: 4693
Special use prefixes present in the Routing Table: 90
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2512815336
Equivalent to 149 /8s, 198 /16s and 132 /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: 92.0
Total number of prefixes smaller than registry allocations: 168315
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96146
Total APNIC prefixes after maximum aggregation: 30626
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 92552
Unique aggregates announced from the APNIC address blocks: 39120
APNIC Region origin ASes present in the Internet Routing Table: 4631
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 741
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 140
Number of APNIC addresses announced to Internet: 635843072
Equivalent to 37 /8s, 230 /16s and 50 /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: 150929
Total ARIN prefixes after maximum aggregation: 77511
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122657
Unique aggregates announced from the ARIN address blocks: 49220
ARIN Region origin ASes present in the Internet Routing Table: 14905
ARIN Prefixes per ASN: 8.23
ARIN Region origin ASes announcing only one prefix: 5678
ARIN Region transit ASes present in the Internet Routing Table: 1568
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804385800
Equivalent to 47 /8s, 241 /16s and 244 /24s
Percentage of available ARIN address space announced: 63.9
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: 100340
Total RIPE prefixes after maximum aggregation: 52535
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 91336
Unique aggregates announced from the RIPE address blocks: 55949
RIPE Region origin ASes present in the Internet Routing Table: 16316
RIPE Prefixes per ASN: 5.60
RIPE Region origin ASes announcing only one prefix: 8012
RIPE Region transit ASes present in the Internet Routing Table: 2598
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1340
Number of RIPE addresses announced to Internet: 499489932
Equivalent to 29 /8s, 197 /16s and 156 /24s
Percentage of available RIPE address space announced: 80.5
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: 38912
Total LACNIC prefixes after maximum aggregation: 8109
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38452
Unique aggregates announced from the LACNIC address blocks: 19425
LACNIC Region origin ASes present in the Internet Routing Table: 1570
LACNIC Prefixes per ASN: 24.49
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 298
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 440
Number of LACNIC addresses announced to Internet: 96389896
Equivalent to 5 /8s, 190 /16s and 203 /24s
Percentage of available LACNIC address space announced: 63.8
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: 9008
Total AfriNIC prefixes after maximum aggregation: 2106
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 7026
Unique aggregates announced from the AfriNIC address blocks: 2142
AfriNIC Region origin ASes present in the Internet Routing Table: 508
AfriNIC Prefixes per ASN: 13.83
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 115
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30859008
Equivalent to 1 /8s, 214 /16s and 223 /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 1903 11095 663 Korea Telecom (KIX)
17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1639 303 85 TPG Internet Pty Ltd
4755 1535 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1392 1064 7 Vietel Corporation
9829 1169 989 28 BSNL National Internet Backbo
9583 1123 82 483 Sify Limited
4808 1069 2036 302 CNCGROUP IP network: China169
24560 1014 385 167 Bharti Airtel Ltd.
18101 950 131 156 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
7029 3470 1042 211 Windstream Communications Inc
6389 3443 3807 202 bellsouth.net, inc.
18566 2093 382 177 Covad Communications
1785 1866 680 125 AppliedTheory Corporation
20115 1627 1552 626 Charter Communications
4323 1607 1062 382 Time Warner Telecom
22773 1499 2910 109 Cox Communications, Inc.
30036 1405 245 748 Mediacom Communications Corp
19262 1384 4683 400 Verizon Global Networks
7018 1309 7024 853 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 1711 480 15 Corbina telecom
2118 1391 99 14 EUnet/RELCOM Autonomous Syste
286 1125 806 201 KPNQwest Backbone AS
15557 1096 2161 64 LDCOM NETWORKS
34984 646 188 171 Tellcom Iletisim Hizmetleri
6830 641 1926 410 UPC Distribution Services
20940 597 194 470 Akamai Technologies European
8551 575 360 81 Bezeq International
12479 568 642 54 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 1735 323 170 TVCABLE BOGOTA
28573 1629 1085 69 Types of queries are: POCs, o
8151 1490 2994 342 Uninet S.A. de C.V.
7303 1262 758 181 Telecom Argentina Stet-France
26615 885 664 33 Types of queries are: POCs, o
11172 698 95 75 Alestra
27947 650 73 99 Telconet S.A
22047 581 322 17 Types of queries are: POCs, o
3816 551 238 92 COLOMBIA TELECOMUNICACIONES S
7738 550 1050 31 Telecomunicacoes da Bahia 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 1213 958 13 TEDATA
24863 830 155 43 LINKdotNET AS number
6713 484 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 237 13 13 Starcomms Nigeria Limited
12258 197 28 62 YEBO-AS
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
36923 157 20 4 Swift Networks Limited
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
7029 3470 1042 211 Windstream Communications Inc
6389 3443 3807 202 bellsouth.net, inc.
18566 2093 382 177 Covad Communications
4766 1903 11095 663 Korea Telecom (KIX)
1785 1866 680 125 AppliedTheory Corporation
10620 1735 323 170 TVCABLE BOGOTA
17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1711 480 15 Corbina telecom
7545 1639 303 85 TPG Internet Pty Ltd
28573 1629 1085 69 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3443 3241 bellsouth.net, inc.
18566 2093 1916 Covad Communications
1785 1866 1741 AppliedTheory Corporation
8402 1711 1696 Corbina telecom
17974 1725 1689 PT TELEKOMUNIKASI INDONESIA
10620 1735 1565 TVCABLE BOGOTA
28573 1629 1560 Types of queries are: POCs, o
7545 1639 1554 TPG Internet Pty Ltd
22773 1499 1390 Cox Communications, Inc.
7552 1392 1385 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
41.222.79.0/24 36938 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /12:230
/13:458 /14:823 /15:1501 /16:12304 /17:6440 /18:10681
/19:20975 /20:29409 /21:29522 /22:39967 /23:37414 /24:208686
/25:67 /26:83 /27:106 /28:277 /29:116 /30:555
/31:52 /32:452
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3077 3470 Windstream Communications Inc
6389 2112 3443 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1690 1711 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1365 1405 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1064 1866 AppliedTheory Corporation
15557 1046 1096 LDCOM NETWORKS
7011 1033 1149 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:503 2:482 4:18 5:1 6:3 8:384
12:1957 13:1 14:598 15:11 16:3 17:6
20:9 23:128 24:1730 27:1189 31:928 32:124
33:2 34:2 36:9 37:168 38:778 39:4
40:114 41:3165 42:92 43:1 44:3 46:1283
47:3 49:325 50:512 52:13 54:2 55:7
56:3 57:48 58:963 59:489 60:345 61:1198
62:937 63:2020 64:4186 65:2293 66:4460 67:2069
68:1357 69:3265 70:973 71:410 72:1825 73:1
74:2704 75:477 76:335 77:967 78:911 79:515
80:1224 81:872 82:575 83:531 84:583 85:1154
86:751 87:925 88:357 89:1558 90:257 91:4444
92:540 93:1557 94:1378 95:1140 96:420 97:310
98:812 99:38 100:4 101:262 103:765 106:10
107:142 108:151 109:1482 110:715 111:847 112:436
113:539 114:611 115:765 116:902 117:738 118:923
119:1255 120:364 121:702 122:1625 123:1073 124:1390
125:1361 128:535 129:192 130:216 131:590 132:164
133:21 134:233 135:59 136:214 137:153 138:285
139:157 140:485 141:261 142:382 143:400 144:517
145:70 146:485 147:237 148:754 149:274 150:167
151:195 152:447 153:170 154:7 155:413 156:211
157:370 158:155 159:513 160:329 161:243 162:341
163:187 164:532 165:413 166:556 167:457 168:765
169:148 170:832 171:109 172:10 173:1770 174:601
175:436 176:479 177:483 178:1243 180:1201 181:64
182:722 183:277 184:431 185:1 186:2028 187:835
188:1037 189:1165 190:5463 192:6008 193:5547 194:4361
195:3443 196:1301 197:181 198:3629 199:4374 200:5713
201:1738 202:8479 203:8653 204:4350 205:2449 206:2768
207:2819 208:4082 209:3597 210:2774 211:1487 212:2026
213:1848 214:853 215:93 216:5015 217:1473 218:556
219:343 220:1260 221:558 222:347 223:274
End of report