* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 10 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455122
Prefixes after maximum aggregation: 185715
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225585
Total ASes present in the Internet Routing Table: 44253
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34686
Origin ASes announcing only one prefix: 16144
Transit ASes present in the Internet Routing Table: 5867
Transit-only ASes present in the Internet Routing Table: 146
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 55
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 540
Unregistered ASNs in the Routing Table: 183
Number of 32-bit ASNs allocated by the RIRs: 4787
Number of 32-bit ASNs visible in the Routing Table: 3700
Prefixes from 32-bit ASNs in the Routing Table: 10697
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 223
Number of addresses announced to Internet: 2624147884
Equivalent to 156 /8s, 105 /16s and 81 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.6
Total number of prefixes smaller than registry allocations: 159853
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109337
Total APNIC prefixes after maximum aggregation: 33517
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110822
Unique aggregates announced from the APNIC address blocks: 45106
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 22.84
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 565
Number of APNIC addresses announced to Internet: 725034208
Equivalent to 43 /8s, 55 /16s and 36 /24s
Percentage of available APNIC address space announced: 84.7
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: 158568
Total ARIN prefixes after maximum aggregation: 80319
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159142
Unique aggregates announced from the ARIN address blocks: 73544
ARIN Region origin ASes present in the Internet Routing Table: 15724
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5973
ARIN Region transit ASes present in the Internet Routing Table: 1650
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1064344128
Equivalent to 63 /8s, 112 /16s and 154 /24s
Percentage of available ARIN address space announced: 56.3
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, 62464-63487, 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: 117156
Total RIPE prefixes after maximum aggregation: 60007
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120702
Unique aggregates announced from the RIPE address blocks: 78076
RIPE Region origin ASes present in the Internet Routing Table: 17221
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8178
RIPE Region transit ASes present in the Internet Routing Table: 2821
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2348
Number of RIPE addresses announced to Internet: 656592484
Equivalent to 39 /8s, 34 /16s and 206 /24s
Percentage of available RIPE address space announced: 95.5
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
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: 48381
Total LACNIC prefixes after maximum aggregation: 9325
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 52744
Unique aggregates announced from the LACNIC address blocks: 24768
LACNIC Region origin ASes present in the Internet Routing Table: 1953
LACNIC Prefixes per ASN: 27.01
LACNIC Region origin ASes announcing only one prefix: 584
LACNIC Region transit ASes present in the Internet Routing Table: 365
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 762
Number of LACNIC addresses announced to Internet: 131222824
Equivalent to 7 /8s, 210 /16s and 77 /24s
Percentage of available LACNIC address space announced: 78.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10886
Total AfriNIC prefixes after maximum aggregation: 2506
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11489
Unique aggregates announced from the AfriNIC address blocks: 3885
AfriNIC Region origin ASes present in the Internet Routing Table: 628
AfriNIC Prefixes per ASN: 18.29
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46660608
Equivalent to 2 /8s, 199 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2957 11559 926 Korea Telecom (KIX)
17974 2524 855 91 PT TELEKOMUNIKASI INDONESIA
7545 1991 320 107 TPG Internet Pty Ltd
4755 1738 391 191 TATA Communications formerly
9829 1515 1205 40 BSNL National Internet Backbo
9583 1221 91 503 Sify Limited
7552 1162 1080 13 Vietel Corporation
4808 1143 2124 334 CNCGROUP IP network: China169
9498 1127 309 70 BHARTI Airtel Ltd.
24560 1077 394 164 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 3015 3691 75 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1990 677 122 PaeTec Communications, Inc.
22773 1989 2929 125 Cox Communications, Inc.
20115 1664 1616 617 Charter Communications
4323 1620 1138 404 Time Warner Telecom
701 1533 11075 840 UUNET Technologies, Inc.
30036 1333 298 644 Mediacom Communications Corp
7018 1300 11039 834 AT&T WorldNet Services
11492 1218 216 359 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 1727 544 16 Corbina telecom
34984 1271 244 223 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 896 315 702 Akamai Technologies European
13188 830 98 74 Educational Network
31148 812 41 25 FreeNet ISP
8551 772 370 43 Bezeq International
6830 768 2376 441 UPC Distribution Services
34744 676 173 59 SC GVM SISTEM 2003 SRL
12479 666 779 67 Uni2 Autonomous System
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 2822 1556 110 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1267 2714 407 UniNet S.A. de C.V.
18881 974 844 20 Global Village Telecom
6503 879 434 65 AVANTEL, S.A.
27947 828 89 105 Telconet S.A
3816 711 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 665 374 25 Telefonica Del Peru
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 1237 80 4 MOBITEL
24863 887 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 447 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 260 922 217 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 205 17 9 Ci Telecom Autonomous system
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
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 3015 3691 75 bellsouth.net, inc.
4766 2957 11559 926 Korea Telecom (KIX)
28573 2822 1556 110 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
17974 2524 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 1991 320 107 TPG Internet Pty Ltd
1785 1990 677 122 PaeTec Communications, Inc.
22773 1989 2929 125 Cox Communications, Inc.
4755 1738 391 191 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2822 2712 NET Servicos de Comunicao S.A
10620 2657 2448 TVCABLE BOGOTA
17974 2524 2433 PT TELEKOMUNIKASI INDONESIA
4766 2957 2031 Korea Telecom (KIX)
7545 1991 1884 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1990 1868 PaeTec Communications, Inc.
22773 1989 1864 Cox Communications, Inc.
8402 1727 1711 Corbina telecom
4755 1738 1547 TATA Communications formerly
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
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 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 /8:16 /9:11 /10:30 /11:91 /12:250
/13:484 /14:901 /15:1597 /16:12688 /17:6638 /18:11158
/19:22185 /20:32036 /21:34341 /22:47531 /23:42219 /24:238961
/25:1321 /26:1662 /27:854 /28:46 /29:65 /30:17
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1732 3015 bellsouth.net, inc.
8402 1413 1727 Corbina telecom
22773 1296 1989 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1202 1333 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1062 1990 PaeTec Communications, Inc.
6983 1011 1138 ITC^Deltacom
10620 990 2657 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:815 2:824 3:3 4:16 5:776 6:11
8:559 12:1927 13:3 14:829 15:11 16:3
17:10 20:17 23:369 24:1768 27:1477 31:1318
32:57 33:2 34:5 36:32 37:1854 38:871
39:2 40:171 41:2808 42:194 44:6 46:1930
47:2 49:641 50:719 52:12 54:33 55:5
57:27 58:1166 59:573 60:314 61:1406 62:1123
63:2034 64:4320 65:2163 66:4190 67:2052 68:1077
69:3263 70:788 71:486 72:1916 74:2477 75:323
76:301 77:1129 78:1022 79:618 80:1269 81:1004
82:624 83:575 84:536 85:1164 86:454 87:993
88:538 89:1761 90:146 91:5530 92:591 93:1684
94:1860 95:1458 96:513 97:344 98:1002 99:42
100:31 101:325 103:2743 105:519 106:149 107:208
108:510 109:1821 110:892 111:1020 112:540 113:813
114:694 115:960 116:911 117:799 118:1083 119:1317
120:409 121:729 122:1795 123:1213 124:1361 125:1355
128:647 129:224 130:326 131:641 132:327 133:148
134:267 135:67 136:224 137:242 138:345 139:194
140:211 141:327 142:541 143:396 144:495 145:93
146:510 147:382 148:680 149:368 150:161 151:500
152:419 153:193 154:42 155:401 156:267 157:395
158:278 159:727 160:340 161:447 162:412 163:221
164:597 165:495 166:271 167:596 168:1027 169:129
170:1051 171:181 172:21 173:1589 174:539 175:470
176:1142 177:2068 178:1857 179:29 180:1458 181:451
182:1216 183:386 184:693 185:511 186:2265 187:1305
188:2140 189:1259 190:6835 192:6653 193:5666 194:4597
195:3424 196:1353 197:903 198:4479 199:5322 200:5973
201:2259 202:8801 203:8893 204:4501 205:2566 206:2797
207:2848 208:4056 209:3613 210:2967 211:1507 212:2187
213:1978 214:928 215:98 216:5234 217:1614 218:619
219:349 220:1269 221:558 222:321 223:456
End of report
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