Routing Table Report 00:00 GMT Tue 17 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: 395040
Prefixes after maximum aggregation: 170143
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 191200
Total ASes present in the Internet Routing Table: 39869
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32704
Origin ASes announcing only one prefix: 15543
Transit ASes present in the Internet Routing Table: 5302
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6682
Unregistered ASNs in the Routing Table: 1086
Number of 32-bit ASNs allocated by the RIRs: 2189
Number of 32-bit ASNs visible in the Routing Table: 1863
Prefixes from 32-bit ASNs in the Routing Table: 4480
Special use prefixes present in the Routing Table: 90
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2510218998
Equivalent to 149 /8s, 158 /16s and 230 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
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: 166037
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94838
Total APNIC prefixes after maximum aggregation: 30388
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 91253
Unique aggregates announced from the APNIC address blocks: 38908
APNIC Region origin ASes present in the Internet Routing Table: 4624
APNIC Prefixes per ASN: 19.73
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 730
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: 634490368
Equivalent to 37 /8s, 209 /16s and 142 /24s
Percentage of available APNIC address space announced: 80.5
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: 150272
Total ARIN prefixes after maximum aggregation: 77332
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 122020
Unique aggregates announced from the ARIN address blocks: 49147
ARIN Region origin ASes present in the Internet Routing Table: 14868
ARIN Prefixes per ASN: 8.21
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1535
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: 804834568
Equivalent to 47 /8s, 248 /16s and 205 /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: 98889
Total RIPE prefixes after maximum aggregation: 52159
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 89992
Unique aggregates announced from the RIPE address blocks: 55688
RIPE Region origin ASes present in the Internet Routing Table: 16265
RIPE Prefixes per ASN: 5.53
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: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1294
Number of RIPE addresses announced to Internet: 497626508
Equivalent to 29 /8s, 169 /16s and 45 /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: 37836
Total LACNIC prefixes after maximum aggregation: 8106
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37349
Unique aggregates announced from the LACNIC address blocks: 19274
LACNIC Region origin ASes present in the Internet Routing Table: 1565
LACNIC Prefixes per ASN: 23.87
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 290
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: 418
Number of LACNIC addresses announced to Internet: 95445000
Equivalent to 5 /8s, 176 /16s and 96 /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: 8490
Total AfriNIC prefixes after maximum aggregation: 2085
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 6522
Unique aggregates announced from the AfriNIC address blocks: 2102
AfriNIC Region origin ASes present in the Internet Routing Table: 508
AfriNIC Prefixes per ASN: 12.84
AfriNIC Region origin ASes announcing only one prefix: 159
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: 30833152
Equivalent to 1 /8s, 214 /16s and 122 /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 1905 11097 659 Korea Telecom (KIX)
17974 1718 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1621 303 84 TPG Internet Pty Ltd
4755 1514 385 154 Videsh Sanchar Nigam Ltd. Aut
7552 1425 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 492 Sify Limited
24560 1011 384 167 Bharti Airtel Ltd.
17488 945 161 224 Hathway IP Over Cable Interne
18101 944 130 154 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 3457 3807 206 bellsouth.net, inc.
7029 3249 1033 215 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1866 680 124 AppliedTheory Corporation
20115 1617 1552 619 Charter Communications
4323 1599 1046 379 Time Warner Telecom
22773 1517 2909 108 Cox Communications, Inc.
30036 1489 264 696 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1307 7042 857 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 1656 480 15 Corbina telecom
286 1100 806 199 KPNQwest Backbone AS
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 413 UPC Distribution Services
34984 639 188 174 Tellcom Iletisim Hizmetleri
31148 571 35 9 FreeNet ISP
8551 570 360 81 Bezeq International
20940 570 183 455 Akamai Technologies European
12479 551 636 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 1738 321 159 TVCABLE BOGOTA
28573 1579 1066 77 Types of queries are: POCs, o
8151 1501 2980 337 Uninet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 635 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
6503 552 434 70 AVANTEL, S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 549 238 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 1030 958 13 TEDATA
24863 796 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 239 32 6 Sudatel Internet Exchange Aut
33776 221 13 8 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 196 28 61 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 3249 1033 215 Windstream Communications Inc
18566 2093 382 177 Covad Communications
4766 1905 11097 659 Korea Telecom (KIX)
1785 1866 680 124 AppliedTheory Corporation
10620 1738 321 159 TVCABLE BOGOTA
17974 1718 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1656 480 15 Corbina telecom
7545 1621 303 84 TPG Internet Pty Ltd
20115 1617 1552 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 3249 3034 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1866 1742 AppliedTheory Corporation
17974 1718 1682 PT TELEKOMUNIKASI INDONESIA
8402 1656 1641 Corbina telecom
10620 1738 1579 TVCABLE BOGOTA
7545 1621 1537 TPG Internet Pty Ltd
28573 1579 1502 Types of queries are: POCs, o
7552 1425 1418 Vietel Corporation
22773 1517 1409 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
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
41.222.79.0/24 37345 MEDALLION Communications
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 /12:234
/13:463 /14:822 /15:1489 /16:12265 /17:6410 /18:10563
/19:20747 /20:29194 /21:28931 /22:39332 /23:36966 /24:205736
/25:67 /26:82 /27:109 /28:299 /29:113 /30:536
/31:52 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2860 3249 Windstream Communications Inc
6389 2117 3457 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1635 1656 Corbina telecom
10620 1633 1738 TVCABLE BOGOTA
30036 1448 1489 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1866 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)
----------------------------------------------
1:507 2:474 4:19 5:1 6:3 8:380
10:1 12:1951 13:1 14:586 15:11 16:3
17:6 20:9 23:106 24:1715 27:1180 31:861
32:124 33:2 34:2 36:8 37:92 38:799
39:1 40:114 41:2898 42:87 43:1 44:3
46:1224 47:3 49:320 50:515 52:13 55:7
56:2 57:51 58:951 59:490 60:346 61:1187
62:964 63:1981 64:4128 65:2302 66:4409 67:2035
68:1341 69:3264 70:966 71:414 72:1829 73:1
74:2699 75:459 76:327 77:949 78:901 79:514
80:1194 81:868 82:575 83:533 84:589 85:1157
86:751 87:919 88:364 89:1570 90:267 91:4441
92:535 93:1563 94:1356 95:1139 96:398 97:295
98:799 99:38 100:18 101:255 103:649 106:10
107:133 108:130 109:1436 110:704 111:840 112:430
113:540 114:622 115:766 116:902 117:740 118:925
119:1273 120:356 121:695 122:1625 123:1054 124:1368
125:1355 128:523 129:195 130:206 131:588 132:162
133:21 134:233 135:59 136:213 137:151 138:288
139:157 140:491 141:260 142:380 143:391 144:504
145:68 146:485 147:234 148:689 149:279 150:166
151:193 152:447 153:170 154:7 155:409 156:210
157:368 158:155 159:511 160:320 161:221 162:337
163:187 164:529 165:412 166:562 167:456 168:852
169:147 170:831 171:105 172:4 173:1798 174:602
175:443 176:351 177:447 178:1187 180:1241 181:43
182:709 183:266 184:438 185:1 186:1492 187:824
188:972 189:1166 190:5344 192:6016 193:5493 194:3991
195:3372 196:1295 197:168 198:3641 199:4318 200:5629
201:1705 202:8494 203:8605 204:4360 205:2427 206:2768
207:2810 208:4040 209:3579 210:2774 211:1487 212:2016
213:1838 214:840 215:94 216:4972 217:1484 218:563
219:339 220:1253 221:557 222:326 223:268
End of report
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