Routing Table Report 00:00 GMT Thu 08 Dec, 2011
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: 387503
Prefixes after maximum aggregation: 168820
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 188750
Total ASes present in the Internet Routing Table: 39520
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 32462
Origin ASes announcing only one prefix: 15493
Transit ASes present in the Internet Routing Table: 5348
Transit-only ASes present in the Internet Routing Table: 147
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: 5962
Unregistered ASNs in the Routing Table: 987
Number of 32-bit ASNs allocated by the RIRs: 2054
Number of 32-bit ASNs visible in the Routing Table: 1710
Prefixes from 32-bit ASNs in the Routing Table: 4027
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 86
Number of addresses announced to Internet: 2499322661
Equivalent to 148 /8s, 248 /16s and 163 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 162337
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 93516
Total APNIC prefixes after maximum aggregation: 30121
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 90020
Unique aggregates announced from the APNIC address blocks: 38527
APNIC Region origin ASes present in the Internet Routing Table: 4586
APNIC Prefixes per ASN: 19.63
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 739
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 118
Number of APNIC addresses announced to Internet: 631176192
Equivalent to 37 /8s, 158 /16s and 252 /24s
Percentage of available APNIC address space announced: 80.0
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: 148961
Total ARIN prefixes after maximum aggregation: 76928
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 120851
Unique aggregates announced from the ARIN address blocks: 48611
ARIN Region origin ASes present in the Internet Routing Table: 14789
ARIN Prefixes per ASN: 8.17
ARIN Region origin ASes announcing only one prefix: 5624
ARIN Region transit ASes present in the Internet Routing Table: 1547
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803410952
Equivalent to 47 /8s, 227 /16s and 20 /24s
Percentage of available ARIN address space announced: 63.8
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: 95010
Total RIPE prefixes after maximum aggregation: 51626
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 86430
Unique aggregates announced from the RIPE address blocks: 54822
RIPE Region origin ASes present in the Internet Routing Table: 16186
RIPE Prefixes per ASN: 5.34
RIPE Region origin ASes announcing only one prefix: 8003
RIPE Region transit ASes present in the Internet Routing Table: 2579
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1199
Number of RIPE addresses announced to Internet: 493537996
Equivalent to 29 /8s, 106 /16s and 202 /24s
Percentage of available RIPE address space announced: 79.5
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: 37355
Total LACNIC prefixes after maximum aggregation: 8000
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 36702
Unique aggregates announced from the LACNIC address blocks: 18834
LACNIC Region origin ASes present in the Internet Routing Table: 1555
LACNIC Prefixes per ASN: 23.60
LACNIC Region origin ASes announcing only one prefix: 446
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: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 377
Number of LACNIC addresses announced to Internet: 94525960
Equivalent to 5 /8s, 162 /16s and 90 /24s
Percentage of available LACNIC address space announced: 62.6
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: 8399
Total AfriNIC prefixes after maximum aggregation: 2071
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 6442
Unique aggregates announced from the AfriNIC address blocks: 2060
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 12.81
AfriNIC Region origin ASes announcing only one prefix: 156
AfriNIC Region transit ASes present in the Internet Routing Table: 110
Average AfriNIC Region AS path length visible: 3.9
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: 30368512
Equivalent to 1 /8s, 207 /16s and 99 /24s
Percentage of available AfriNIC address space announced: 45.3
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 1951 11102 667 Korea Telecom (KIX)
17974 1683 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 86 TPG Internet Pty Ltd
4755 1505 385 156 Videsh Sanchar Nigam Ltd. Aut
7552 1386 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1101 81 496 Sify Limited
4808 990 1990 285 CNCGROUP IP network: China169
24560 983 382 162 Bharti Airtel Ltd.
18101 961 121 154 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 3484 3814 219 bellsouth.net, inc.
7029 2910 1016 278 Windstream Communications Inc
18566 2095 383 177 Covad Communications
1785 1857 680 121 AppliedTheory Corporation
4323 1614 1089 385 Time Warner Telecom
20115 1603 1549 630 Charter Communications
22773 1504 2909 104 Cox Communications, Inc.
30036 1438 257 675 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1316 7062 865 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 1555 480 15 Corbina telecom
286 1094 808 202 KPNQwest Backbone AS
6830 646 1927 412 UPC Distribution Services
34984 621 126 200 Tellcom Iletisim Hizmetleri
20940 547 175 437 Akamai Technologies European
9116 541 326 32 Goldenlines main autonomous s
3292 533 2106 407 TDC Tele Danmark
3320 522 8161 389 Deutsche Telekom AG
12479 494 601 13 Uni2 Autonomous System
8866 462 133 26 Bulgarian Telecommunication C
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 1716 317 157 TVCABLE BOGOTA
28573 1533 1059 72 Types of queries are: POCs, o
8151 1505 2966 346 Uninet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 630 73 91 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
6503 563 434 70 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 550 237 89 COLOMBIA TELECOMUNICACIONES S
10481 543 429 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 966 958 13 TEDATA
24863 783 146 33 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 194 80 8 RAYA Telecom - Egypt
16637 157 662 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 3484 3814 219 bellsouth.net, inc.
7029 2910 1016 278 Windstream Communications Inc
18566 2095 383 177 Covad Communications
4766 1951 11102 667 Korea Telecom (KIX)
1785 1857 680 121 AppliedTheory Corporation
10620 1716 317 157 TVCABLE BOGOTA
17974 1683 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 86 TPG Internet Pty Ltd
4323 1614 1089 385 Time Warner Telecom
20115 1603 1549 630 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 2910 2632 Windstream Communications Inc
18566 2095 1918 Covad Communications
1785 1857 1736 AppliedTheory Corporation
17974 1683 1645 PT TELEKOMUNIKASI INDONESIA
10620 1716 1559 TVCABLE BOGOTA
7545 1628 1542 TPG Internet Pty Ltd
8402 1555 1540 Corbina telecom
28573 1533 1461 Types of queries are: POCs, o
22773 1504 1400 Cox Communications, Inc.
7552 1386 1379 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
10.0.1.0/24 286 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska
64.21.212.0/22 11610 Internet Nebraska
64.21.216.0/21 11610 Internet Nebraska
66.171.32.0/20 705 UUNET Technologies, Inc.
66.175.222.0/23 30058 FDCservers.net LLC
66.180.239.0/24 35888 VIGNETTE CORPORATION
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 /14:816 /15:1470 /16:12186 /17:6358 /18:10489
/19:20590 /20:28947 /21:28392 /22:38564 /23:36252 /24:200860
/25:69 /26:84 /27:112 /28:295 /29:111 /30:530
/31:52 /32:485
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2554 2910 Windstream Communications Inc
6389 2126 3484 bellsouth.net, inc.
18566 2044 2095 Covad Communications
10620 1611 1716 TVCABLE BOGOTA
8402 1530 1555 Corbina telecom
30036 1398 1438 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1059 1857 AppliedTheory Corporation
7011 1051 1168 Citizens Utilities
22773 964 1504 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:443 2:481 4:19 5:1 6:3 8:362
10:1 12:1950 13:1 14:558 15:11 16:3
17:7 20:9 23:71 24:1702 27:1078 31:718
32:122 33:2 34:2 36:4 38:776 39:1
40:114 41:2899 42:68 43:1 44:3 46:1119
47:3 49:293 50:459 52:13 55:6 56:2
57:59 58:929 59:486 60:344 61:1184 62:933
63:1987 64:4086 65:2313 66:4379 67:2029 68:1351
69:3253 70:953 71:362 72:1807 73:1 74:2669
75:445 76:332 77:938 78:887 79:441 80:1145
81:851 82:542 83:531 84:477 85:1170 86:418
87:916 88:356 89:1613 90:247 91:4343 92:537
93:1416 94:1322 95:1123 96:395 97:286 98:780
99:38 101:243 103:529 106:7 107:105 108:98
109:1132 110:690 111:821 112:368 113:506 114:627
115:710 116:910 117:724 118:889 119:1265 120:349
121:688 122:1558 123:1025 124:1380 125:1334 128:288
129:189 130:185 131:580 132:157 133:21 134:223
135:55 136:213 137:147 138:287 139:134 140:491
141:252 142:383 143:408 144:507 145:66 146:475
147:233 148:694 149:271 150:166 151:192 152:445
153:171 154:8 155:395 156:209 157:362 158:156
159:527 160:334 161:220 162:365 163:178 164:523
165:407 166:541 167:459 168:820 169:147 170:823
171:90 172:4 173:1791 174:597 175:434 176:332
177:419 178:1149 180:1198 181:38 182:678 183:250
184:392 185:1 186:1471 187:785 188:947 189:1164
190:5282 192:5994 193:5138 194:3608 195:3180 196:1295
197:173 198:3633 199:4218 200:5536 201:1700 202:8571
203:8515 204:4335 205:2409 206:2694 207:2843 208:4027
209:3586 210:2773 211:1481 212:2020 213:1806 214:818
215:92 216:4969 217:1499 218:577 219:339 220:1259
221:526 222:327 223:253
End of report
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