* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 30 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 440928
Prefixes after maximum aggregation: 181675
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 216598
Total ASes present in the Internet Routing Table: 43166
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 34090
Origin ASes announcing only one prefix: 15904
Transit ASes present in the Internet Routing Table: 5749
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 385
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 3711
Number of 32-bit ASNs visible in the Routing Table: 3327
Prefixes from 32-bit ASNs in the Routing Table: 9135
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2630608492
Equivalent to 156 /8s, 203 /16s and 230 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.2
Total number of prefixes smaller than registry allocations: 155558
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106083
Total APNIC prefixes after maximum aggregation: 33017
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107108
Unique aggregates announced from the APNIC address blocks: 43791
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.23
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 812
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: 419
Number of APNIC addresses announced to Internet: 717598592
Equivalent to 42 /8s, 197 /16s and 175 /24s
Percentage of available APNIC address space announced: 83.9
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: 155287
Total ARIN prefixes after maximum aggregation: 78590
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155918
Unique aggregates announced from the ARIN address blocks: 70780
ARIN Region origin ASes present in the Internet Routing Table: 15429
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5822
ARIN Region transit ASes present in the Internet Routing Table: 1592
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1092601728
Equivalent to 65 /8s, 31 /16s and 199 /24s
Percentage of available ARIN address space announced: 57.8
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, 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: 113479
Total RIPE prefixes after maximum aggregation: 58511
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116577
Unique aggregates announced from the RIPE address blocks: 74571
RIPE Region origin ASes present in the Internet Routing Table: 17041
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2778
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2150
Number of RIPE addresses announced to Internet: 653197924
Equivalent to 38 /8s, 239 /16s and 2 /24s
Percentage of available RIPE address space announced: 95.0
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: 46383
Total LACNIC prefixes after maximum aggregation: 9084
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 50120
Unique aggregates announced from the LACNIC address blocks: 23568
LACNIC Region origin ASes present in the Internet Routing Table: 1789
LACNIC Prefixes per ASN: 28.02
LACNIC Region origin ASes announcing only one prefix: 512
LACNIC Region transit ASes present in the Internet Routing Table: 336
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 735
Number of LACNIC addresses announced to Internet: 122588168
Equivalent to 7 /8s, 78 /16s and 140 /24s
Percentage of available LACNIC address space announced: 73.1
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: 10427
Total AfriNIC prefixes after maximum aggregation: 2421
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11013
Unique aggregates announced from the AfriNIC address blocks: 3717
AfriNIC Region origin ASes present in the Internet Routing Table: 593
AfriNIC Prefixes per ASN: 18.57
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 44268032
Equivalent to 2 /8s, 163 /16s and 122 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1822 301 87 TPG Internet Pty Ltd
4755 1669 380 175 TATA Communications formerly
9829 1423 1151 46 BSNL National Internet Backbo
9583 1204 89 502 Sify Limited
7552 1142 1070 12 Vietel Corporation
4808 1115 2040 315 CNCGROUP IP network: China169
9498 1052 310 75 BHARTI Airtel Ltd.
24560 1040 385 160 Bharti Airtel Ltd., Telemedia
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
6389 3096 3699 117 bellsouth.net, inc.
7029 2283 1265 210 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1965 2931 128 Cox Communications, Inc.
1785 1948 677 123 PaeTec Communications, Inc.
20115 1690 1607 629 Charter Communications
4323 1597 1155 394 Time Warner Telecom
30036 1356 289 692 Mediacom Communications Corp
7018 1301 10550 860 AT&T WorldNet Services
7011 1201 315 683 Citizens Utilities
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 1877 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 972 231 205 BILISIM TELEKOM
13188 842 99 22 Educational Network
12479 833 778 65 Uni2 Autonomous System
31148 753 39 17 FreeNet ISP
20940 737 250 585 Akamai Technologies European
8551 716 367 39 Bezeq International
6830 713 2313 434 UPC Distribution Services
58113 633 70 378 LIR DATACENTER TELECOM SRL
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 2311 1315 81 NET Servicos de Comunicao S.A
10620 2302 394 225 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1540 2894 376 UniNet S.A. de C.V.
6503 1469 435 67 AVANTEL, S.A.
14754 798 112 125 Telgua S. A.
27947 771 85 93 Telconet S.A
18881 756 716 18 Global Village Telecom
3816 674 306 85 Empresa Nacional de Telecomun
11172 603 86 67 Servicios Alestra S.A de C.V
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
36998 1286 80 4 MOBITEL
24863 896 275 36 LINKdotNET AS number
8452 560 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 265 906 223 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 696 90 MTN Network Solutions
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
6389 3096 3699 117 bellsouth.net, inc.
4766 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
28573 2311 1315 81 NET Servicos de Comunicao S.A
10620 2302 394 225 TVCABLE BOGOTA
7029 2283 1265 210 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1965 2931 128 Cox Communications, Inc.
1785 1948 677 123 PaeTec Communications, Inc.
8402 1877 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2311 2230 NET Servicos de Comunicao S.A
10620 2302 2077 TVCABLE BOGOTA
7029 2283 2073 Windstream Communications Inc
4766 2939 2019 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1877 1861 Corbina telecom
22773 1965 1837 Cox Communications, Inc.
1785 1948 1825 PaeTec Communications, Inc.
7545 1822 1735 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/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
30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest
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
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 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
128.0.0.0/24 2876 Jump Management SRL
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
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 /8:18 /9:13 /10:29 /11:88 /12:246
/13:480 /14:866 /15:1553 /16:12539 /17:6598 /18:10938
/19:21708 /20:31116 /21:33231 /22:44998 /23:40736 /24:231503
/25:1372 /26:1733 /27:867 /28:183 /29:75 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1770 3096 bellsouth.net, inc.
7029 1641 2283 Windstream Communications Inc
8402 1604 1877 Corbina telecom
22773 1292 1965 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1250 1356 Mediacom Communications Corp
11492 1158 1195 Cable One
1785 1030 1948 PaeTec Communications, Inc.
6503 983 1469 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:686 2:748 3:3 4:13 5:729 6:3
8:489 12:1934 13:3 14:720 15:11 16:3
17:8 20:26 23:224 24:1804 27:1475 31:1132
32:54 33:2 34:5 36:9 37:1222 38:845
39:2 40:139 41:2706 42:180 44:4 46:1718
47:1 49:539 50:644 52:12 54:28 55:4
57:28 58:1075 59:559 60:250 61:1309 62:1038
63:2044 64:4344 65:2159 66:4271 67:2019 68:1120
69:3248 70:858 71:536 72:1876 74:2546 75:421
76:294 77:1062 78:1035 79:553 80:1222 81:981
82:646 83:535 84:575 85:1162 86:473 87:971
88:370 89:1746 90:285 91:5387 92:605 93:1653
94:2015 95:1648 96:490 97:331 98:1052 99:52
100:30 101:306 103:2063 105:531 106:129 107:208
108:504 109:1757 110:843 111:1001 112:473 113:752
114:713 115:926 116:886 117:785 118:967 119:1284
120:328 121:700 122:1722 123:1182 124:1323 125:1305
128:549 129:200 130:310 131:622 132:326 133:142
134:255 135:62 136:219 137:237 138:340 139:156
140:216 141:313 142:514 143:388 144:473 145:90
146:527 147:332 148:731 149:341 150:159 151:326
152:398 153:190 154:24 155:366 156:241 157:393
158:258 159:709 160:334 161:420 162:368 163:202
164:580 165:461 166:463 167:574 168:1001 169:131
170:1010 171:162 172:4 173:1554 174:618 175:428
176:1020 177:1631 178:1690 180:1373 181:219 182:1166
183:323 184:637 185:188 186:2255 187:1456 188:1894
189:1543 190:6514 192:6192 193:5841 194:4670 195:3657
196:1283 197:815 198:4103 199:5175 200:6020 201:2179
202:8826 203:8782 204:4462 205:2516 206:2800 207:2786
208:4073 209:3522 210:2908 211:1574 212:1983 213:1884
214:908 215:92 216:5067 217:1587 218:593 219:326
220:1269 221:547 222:337 223:413
End of report
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