Routing Table Report 00:00 GMT Tue 03 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: 392062
Prefixes after maximum aggregation: 169664
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190373
Total ASes present in the Internet Routing Table: 39723
Prefixes per ASN: 9.87
Origin-only ASes present in the Internet Routing Table: 32627
Origin ASes announcing only one prefix: 15534
Transit ASes present in the Internet Routing Table: 5289
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 27
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6411
Unregistered ASNs in the Routing Table: 1052
Number of 32-bit ASNs allocated by the RIRs: 2153
Number of 32-bit ASNs visible in the Routing Table: 1807
Prefixes from 32-bit ASNs in the Routing Table: 4307
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2505780458
Equivalent to 149 /8s, 91 /16s and 44 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 164643
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94265
Total APNIC prefixes after maximum aggregation: 30275
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90684
Unique aggregates announced from the APNIC address blocks: 38745
APNIC Region origin ASes present in the Internet Routing Table: 4606
APNIC Prefixes per ASN: 19.69
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 738
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: 632790272
Equivalent to 37 /8s, 183 /16s and 157 /24s
Percentage of available APNIC address space announced: 80.2
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: 149523
Total ARIN prefixes after maximum aggregation: 77123
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121427
Unique aggregates announced from the ARIN address blocks: 48939
ARIN Region origin ASes present in the Internet Routing Table: 14833
ARIN Prefixes per ASN: 8.19
ARIN Region origin ASes announcing only one prefix: 5663
ARIN Region transit ASes present in the Internet Routing Table: 1510
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804728072
Equivalent to 47 /8s, 247 /16s and 45 /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: 97464
Total RIPE prefixes after maximum aggregation: 52031
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88633
Unique aggregates announced from the RIPE address blocks: 55523
RIPE Region origin ASes present in the Internet Routing Table: 16239
RIPE Prefixes per ASN: 5.46
RIPE Region origin ASes announcing only one prefix: 7991
RIPE Region transit ASes present in the Internet Routing Table: 2570
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1262
Number of RIPE addresses announced to Internet: 495595148
Equivalent to 29 /8s, 138 /16s and 46 /24s
Percentage of available RIPE address space announced: 79.8
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: 37622
Total LACNIC prefixes after maximum aggregation: 8071
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 37064
Unique aggregates announced from the LACNIC address blocks: 19052
LACNIC Region origin ASes present in the Internet Routing Table: 1560
LACNIC Prefixes per ASN: 23.76
LACNIC Region origin ASes announcing only one prefix: 454
LACNIC Region transit ASes present in the Internet Routing Table: 286
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: 402
Number of LACNIC addresses announced to Internet: 95173384
Equivalent to 5 /8s, 172 /16s and 59 /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: 8644
Total AfriNIC prefixes after maximum aggregation: 2093
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6678
Unique aggregates announced from the AfriNIC address blocks: 2087
AfriNIC Region origin ASes present in the Internet Routing Table: 505
AfriNIC Prefixes per ASN: 13.22
AfriNIC Region origin ASes announcing only one prefix: 160
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: 30877956
Equivalent to 1 /8s, 215 /16s and 41 /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 1906 11096 654 Korea Telecom (KIX)
17974 1721 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4755 1516 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1412 1064 7 Vietel Corporation
9829 1169 989 28 BSNL National Internet Backbo
9583 1112 81 495 Sify Limited
4808 1046 2021 299 CNCGROUP IP network: China169
24560 1005 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 3476 3814 217 bellsouth.net, inc.
7029 2955 1046 212 Windstream Communications Inc
18566 2095 383 177 Covad Communications
1785 1864 680 121 AppliedTheory Corporation
4323 1622 1081 385 Time Warner Telecom
20115 1615 1551 619 Charter Communications
22773 1517 2909 107 Cox Communications, Inc.
30036 1477 263 691 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1315 7047 868 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 1474 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 642 1927 412 UPC Distribution Services
34984 635 132 197 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 1499 2962 352 Uninet S.A. de C.V.
7303 1252 755 176 Telecom Argentina Stet-France
27947 634 73 94 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 COLOMBIA TELECOMUNICACIONES S
6503 548 434 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 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 189 80 8 RAYA Telecom - Egypt
36923 180 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
6389 3476 3814 217 bellsouth.net, inc.
7029 2955 1046 212 Windstream Communications Inc
18566 2095 383 177 Covad Communications
4766 1906 11096 654 Korea Telecom (KIX)
1785 1864 680 121 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1721 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4323 1622 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 2955 2743 Windstream Communications Inc
18566 2095 1918 Covad Communications
1785 1864 1743 AppliedTheory Corporation
17974 1721 1684 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1626 1540 TPG Internet Pty Ltd
28573 1562 1486 Types of queries are: POCs, o
8402 1474 1459 Corbina telecom
22773 1517 1410 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 10912 InterNAP Network Ser
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
37.28.152.0/21 23456 >>UNKNOWN<<
37.32.56.0/21 50796 CLEVERNETWORK SAS
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 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:820 /15:1478 /16:12226 /17:6386 /18:10502
/19:20706 /20:29115 /21:28712 /22:39061 /23:36452 /24:204010
/25:69 /26:84 /27:109 /28:292 /29:110 /30:547
/31:52 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2567 2955 Windstream Communications Inc
6389 2120 3476 bellsouth.net, inc.
18566 2044 2095 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1453 1474 Corbina telecom
30036 1436 1477 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1064 1864 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)
----------------------------------------------
1:477 2:404 4:19 5:1 6:3 8:368
12:1949 13:1 14:583 15:11 16:3 17:7
20:9 23:82 24:1716 27:1132 31:822 32:122
33:2 34:2 36:4 37:10 38:794 39:1
40:114 41:3027 42:83 43:1 44:3 46:1158
47:3 49:299 50:474 52:13 55:4 56:2
57:51 58:934 59:488 60:344 61:1185 62:957
63:1987 64:4140 65:2306 66:4395 67:2011 68:1352
69:3250 70:972 71:410 72:1815 73:1 74:2701
75:444 76:332 77:943 78:872 79:510 80:1193
81:856 82:546 83:535 84:582 85:1173 86:755
87:915 88:352 89:1606 90:260 91:4412 92:535
93:1515 94:1348 95:1033 96:402 97:288 98:783
99:38 100:18 101:249 103:601 106:10 107:120
108:103 109:1431 110:700 111:838 112:432 113:514
114:607 115:738 116:898 117:737 118:910 119:1255
120:366 121:696 122:1617 123:1040 124:1360 125:1349
128:519 129:192 130:190 131:588 132:163 133:21
134:227 135:54 136:213 137:150 138:285 139:137
140:490 141:257 142:383 143:392 144:499 145:67
146:476 147:233 148:683 149:274 150:165 151:192
152:444 153:169 154:7 155:397 156:210 157:366
158:155 159:505 160:340 161:221 162:335 163:188
164:522 165:414 166:546 167:455 168:815 169:147
170:829 171:95 172:4 173:1802 174:596 175:438
176:321 177:452 178:1146 180:1238 181:43 182:683
183:264 184:422 185:1 186:1454 187:803 188:1007
189:1172 190:5347 192:6005 193:5467 194:3823 195:3255
196:1298 197:175 198:3629 199:4253 200:5573 201:1696
202:8611 203:8547 204:4350 205:2430 206:2735 207:2811
208:4027 209:3564 210:2759 211:1484 212:2015 213:1826
214:809 215:93 216:4947 217:1484 218:571 219:339
220:1259 221:562 222:326 223:265
End of report
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