* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 23 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 418355
Prefixes after maximum aggregation: 176231
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 203609
Total ASes present in the Internet Routing Table: 41556
Prefixes per ASN: 10.07
Origin-only ASes present in the Internet Routing Table: 33341
Origin ASes announcing only one prefix: 15682
Transit ASes present in the Internet Routing Table: 5585
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 26
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 370
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 3025
Number of 32-bit ASNs visible in the Routing Table: 2630
Prefixes from 32-bit ASNs in the Routing Table: 6804
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2568335916
Equivalent to 153 /8s, 21 /16s and 178 /24s
Percentage of available address space announced: 69.3
Percentage of allocated address space announced: 69.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 145516
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102247
Total APNIC prefixes after maximum aggregation: 32803
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102704
Unique aggregates announced from the APNIC address blocks: 42186
APNIC Region origin ASes present in the Internet Routing Table: 4717
APNIC Prefixes per ASN: 21.77
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 743
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 250
Number of APNIC addresses announced to Internet: 704480128
Equivalent to 41 /8s, 253 /16s and 131 /24s
Percentage of available APNIC address space announced: 82.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 152939
Total ARIN prefixes after maximum aggregation: 77538
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153984
Unique aggregates announced from the ARIN address blocks: 68675
ARIN Region origin ASes present in the Internet Routing Table: 15198
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5768
ARIN Region transit ASes present in the Internet Routing Table: 1605
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1071847808
Equivalent to 63 /8s, 227 /16s and 25 /24s
Percentage of available ARIN address space announced: 56.7
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 104013
Total RIPE prefixes after maximum aggregation: 55284
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106180
Unique aggregates announced from the RIPE address blocks: 67432
RIPE Region origin ASes present in the Internet Routing Table: 16684
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8080
RIPE Region transit ASes present in the Internet Routing Table: 2716
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1731
Number of RIPE addresses announced to Internet: 637087620
Equivalent to 37 /8s, 249 /16s and 47 /24s
Percentage of available RIPE address space announced: 92.6
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 42707
Total LACNIC prefixes after maximum aggregation: 8382
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45400
Unique aggregates announced from the LACNIC address blocks: 21769
LACNIC Region origin ASes present in the Internet Routing Table: 1609
LACNIC Prefixes per ASN: 28.22
LACNIC Region origin ASes announcing only one prefix: 423
LACNIC Region transit ASes present in the Internet Routing Table: 310
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 627
Number of LACNIC addresses announced to Internet: 112276904
Equivalent to 6 /8s, 177 /16s and 53 /24s
Percentage of available LACNIC address space announced: 66.9
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9486
Total AfriNIC prefixes after maximum aggregation: 2170
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 9927
Unique aggregates announced from the AfriNIC address blocks: 3408
AfriNIC Region origin ASes present in the Internet Routing Table: 551
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 123
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 41299968
Equivalent to 2 /8s, 118 /16s and 48 /24s
Percentage of available AfriNIC address space announced: 41.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2752 11122 1249 Korea Telecom (KIX)
17974 2240 563 84 PT TELEKOMUNIKASI INDONESIA
7545 1705 301 88 TPG Internet Pty Ltd
4755 1616 388 163 TATA Communications formerly
9829 1305 1085 26 BSNL National Internet Backbo
9583 1161 88 508 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1118 2053 318 CNCGROUP IP network: China169
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 989 294 73 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3435 998 172 Windstream Communications Inc
6389 3385 3773 186 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1937 681 131 PaeTec Communications, Inc.
22773 1680 2911 122 Cox Communications, Inc.
20115 1649 1571 615 Charter Communications
4323 1576 1028 383 Time Warner Telecom
30036 1392 271 781 Mediacom Communications Corp
7018 1257 10040 825 AT&T WorldNet Services
11492 1192 217 350 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1659 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 799 743 92 Uni2 Autonomous System
34984 730 189 174 BILISIM TELEKOM
6830 712 2302 446 UPC Distribution Services
31148 705 37 9 FreeNet ISP
20940 691 224 543 Akamai Technologies European
13188 636 100 10 Educational Network
8551 577 364 61 Bezeq International
3320 499 8443 409 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2011 1221 55 NET Servicos de Comunicao S.A
10620 2010 348 208 TVCABLE BOGOTA
6503 1520 419 65 AVANTEL, S.A.
8151 1461 3046 344 UniNet S.A. de C.V.
7303 1458 934 196 Telecom Argentina Stet-France
6458 857 81 15 GUATEL
27947 718 74 94 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 596 250 83 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1014 958 13 TEDATA
24863 861 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
3741 262 905 223 The Internet Solution
24835 256 80 8 RAYA Telecom - Egypt
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 169 664 86 MTN Network Solutions
29571 160 15 15 Ci Telecom Autonomous system
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3435 998 172 Windstream Communications Inc
6389 3385 3773 186 bellsouth.net, inc.
4766 2752 11122 1249 Korea Telecom (KIX)
17974 2240 563 84 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 2011 1221 55 NET Servicos de Comunicao S.A
10620 2010 348 208 TVCABLE BOGOTA
1785 1937 681 131 PaeTec Communications, Inc.
7545 1705 301 88 TPG Internet Pty Ltd
22773 1680 2911 122 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3385 3199 bellsouth.net, inc.
17974 2240 2156 PT TELEKOMUNIKASI INDONESIA
28573 2011 1956 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
1785 1937 1806 PaeTec Communications, Inc.
10620 2010 1802 TVCABLE BOGOTA
8402 1659 1643 Corbina telecom
7545 1705 1617 TPG Internet Pty Ltd
22773 1680 1558 Cox Communications, Inc.
4766 2752 1503 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
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
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 14744 Internap Network Services
Complete listing at http://thyme.rand.apnic.net/current/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
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
Complete listing at http://thyme.rand.apnic.net/current/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 /10:28 /11:82 /12:236
/13:473 /14:843 /15:1524 /16:12296 /17:6371 /18:10766
/19:20917 /20:29813 /21:31642 /22:41301 /23:39443 /24:218745
/25:1234 /26:1481 /27:866 /28:162 /29:60 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2774 3435 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1865 3385 bellsouth.net, inc.
8402 1355 1659 Corbina telecom
30036 1327 1392 Mediacom Communications Corp
11492 1155 1192 Cable One
22773 1107 1680 Cox Communications, Inc.
6503 1051 1520 AVANTEL, S.A.
1785 1044 1937 PaeTec Communications, Inc.
7011 930 1191 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:575 2:747 3:1 4:13 5:186 6:3
8:438 12:2014 13:1 14:638 15:11 16:3
17:6 20:24 23:197 24:1796 27:1339 31:1015
32:56 33:2 34:2 36:8 37:660 38:825
39:1 40:134 41:2900 42:145 44:3 46:1525
47:2 49:432 50:560 52:13 54:14 55:7
56:1 57:31 58:985 59:529 60:244 61:1341
62:920 63:2031 64:4256 65:2247 66:4496 67:2015
68:1157 69:3210 70:988 71:514 72:1866 74:2603
75:490 76:334 77:926 78:918 79:491 80:1234
81:947 82:624 83:541 84:501 85:1149 86:423
87:925 88:347 89:1671 90:303 91:5049 92:580
93:1301 94:1559 95:1254 96:401 97:321 98:877
99:39 100:22 101:258 103:1289 105:464 106:115
107:189 108:391 109:1461 110:784 111:940 112:429
113:651 114:659 115:911 116:918 117:729 118:904
119:1231 120:356 121:800 122:1664 123:1163 124:1378
125:1260 128:555 129:185 130:267 131:632 132:298
133:22 134:247 135:61 136:213 137:241 138:334
139:177 140:495 141:253 142:434 143:369 144:491
145:77 146:510 147:281 148:769 149:319 150:151
151:186 152:473 153:176 154:19 155:406 156:222
157:382 158:190 159:628 160:339 161:272 162:379
163:192 164:674 165:413 166:588 167:533 168:913
169:127 170:899 171:148 172:5 173:1736 174:613
175:434 176:570 177:977 178:1636 180:1313 181:112
182:994 183:232 184:556 186:2032 187:1089 188:1354
189:1579 190:6160 192:6018 193:5539 194:4486 195:3214
196:1206 197:181 198:3687 199:4938 200:5992 201:1965
202:8693 203:8669 204:4394 205:2546 206:2790 207:2830
208:4042 209:3627 210:2784 211:1567 212:1978 213:1788
214:869 215:85 216:5080 217:1562 218:561 219:337
220:1229 221:572 222:336 223:347
End of report
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