* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 05 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455701
Prefixes after maximum aggregation: 185627
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225018
Total ASes present in the Internet Routing Table: 44242
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34689
Origin ASes announcing only one prefix: 16140
Transit ASes present in the Internet Routing Table: 5867
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 55644) 23
Prefixes from unregistered ASNs in the Routing Table: 319
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4785
Number of 32-bit ASNs visible in the Routing Table: 3686
Prefixes from 32-bit ASNs in the Routing Table: 10633
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 237
Number of addresses announced to Internet: 2620987308
Equivalent to 156 /8s, 57 /16s and 23 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 160343
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109314
Total APNIC prefixes after maximum aggregation: 33508
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110774
Unique aggregates announced from the APNIC address blocks: 44998
APNIC Region origin ASes present in the Internet Routing Table: 4857
APNIC Prefixes per ASN: 22.81
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 818
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: 554
Number of APNIC addresses announced to Internet: 722384096
Equivalent to 43 /8s, 14 /16s and 180 /24s
Percentage of available APNIC address space announced: 84.4
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: 160040
Total ARIN prefixes after maximum aggregation: 80299
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160602
Unique aggregates announced from the ARIN address blocks: 73513
ARIN Region origin ASes present in the Internet Routing Table: 15727
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5986
ARIN Region transit ASes present in the Internet Routing Table: 1641
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: 1064479808
Equivalent to 63 /8s, 114 /16s and 172 /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: 117090
Total RIPE prefixes after maximum aggregation: 59996
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120606
Unique aggregates announced from the RIPE address blocks: 78061
RIPE Region origin ASes present in the Internet Routing Table: 17213
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8164
RIPE Region transit ASes present in the Internet Routing Table: 2828
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2346
Number of RIPE addresses announced to Internet: 656747876
Equivalent to 39 /8s, 37 /16s and 45 /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: 47662
Total LACNIC prefixes after maximum aggregation: 9288
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51998
Unique aggregates announced from the LACNIC address blocks: 24355
LACNIC Region origin ASes present in the Internet Routing Table: 1952
LACNIC Prefixes per ASN: 26.64
LACNIC Region origin ASes announcing only one prefix: 583
LACNIC Region transit ASes present in the Internet Routing Table: 362
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: 761
Number of LACNIC addresses announced to Internet: 130431016
Equivalent to 7 /8s, 198 /16s and 56 /24s
Percentage of available LACNIC address space announced: 77.7
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: 10873
Total AfriNIC prefixes after maximum aggregation: 2495
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 11484
Unique aggregates announced from the AfriNIC address blocks: 3871
AfriNIC Region origin ASes present in the Internet Routing Table: 629
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 46653184
Equivalent to 2 /8s, 199 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2960 11559 926 Korea Telecom (KIX)
17974 2516 839 89 PT TELEKOMUNIKASI INDONESIA
7545 1989 320 107 TPG Internet Pty Ltd
4755 1736 391 192 TATA Communications formerly
9829 1515 1205 40 BSNL National Internet Backbo
9583 1220 91 503 Sify Limited
7552 1149 1080 13 Vietel Corporation
4808 1137 2121 330 CNCGROUP IP network: China169
9498 1122 309 70 BHARTI Airtel Ltd.
24560 1076 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 3017 3692 77 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1985 2929 125 Cox Communications, Inc.
7029 1969 1265 211 Windstream Communications Inc
20115 1668 1614 619 Charter Communications
4323 1617 1139 403 Time Warner Telecom
701 1534 11075 840 UUNET Technologies, Inc.
30036 1334 298 642 Mediacom Communications Corp
7018 1300 11058 835 AT&T WorldNet Services
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 1699 544 16 Corbina telecom
34984 1219 241 222 BILISIM TELEKOM
2118 1074 97 13 EUnet/RELCOM Autonomous Syste
20940 887 312 696 Akamai Technologies European
13188 830 98 74 Educational Network
31148 812 41 25 FreeNet ISP
8551 771 370 43 Bezeq International
6830 770 2376 443 UPC Distribution Services
34744 684 173 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 2809 1547 112 NET Servicos de Comunicao S.A
10620 2649 416 217 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1271 2710 406 UniNet S.A. de C.V.
18881 960 780 19 Global Village Telecom
27947 837 89 105 Telconet S.A
3816 710 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6503 676 434 62 AVANTEL, S.A.
11172 608 87 64 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 1237 80 4 MOBITEL
24863 887 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 261 906 220 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 3017 3692 77 bellsouth.net, inc.
4766 2960 11559 926 Korea Telecom (KIX)
28573 2809 1547 112 NET Servicos de Comunicao S.A
10620 2649 416 217 TVCABLE BOGOTA
17974 2516 839 89 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
7545 1989 320 107 TPG Internet Pty Ltd
22773 1985 2929 125 Cox Communications, Inc.
7029 1969 1265 211 Windstream 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
28573 2809 2697 NET Servicos de Comunicao S.A
10620 2649 2432 TVCABLE BOGOTA
17974 2516 2427 PT TELEKOMUNIKASI INDONESIA
4766 2960 2034 Korea Telecom (KIX)
7545 1989 1882 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1991 1868 PaeTec Communications, Inc.
22773 1985 1860 Cox Communications, Inc.
7029 1969 1758 Windstream Communications Inc
8402 1699 1683 Corbina telecom
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 /11:90 /12:250
/13:484 /14:899 /15:1599 /16:12696 /17:6654 /18:11174
/19:22215 /20:32077 /21:34329 /22:47569 /23:42481 /24:239139
/25:1318 /26:1665 /27:856 /28:46 /29:65 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1732 3017 bellsouth.net, inc.
7029 1491 1969 Windstream Communications Inc
8402 1388 1699 Corbina telecom
22773 1292 1985 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1203 1334 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1011 1138 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:817 2:811 3:3 4:15 5:765 6:10
8:557 12:1927 13:3 14:830 15:11 16:3
17:9 20:17 23:368 24:1770 27:1477 31:1318
32:57 33:2 34:5 36:28 37:1869 38:876
39:2 40:172 41:2807 42:192 44:6 46:1938
47:2 49:639 50:719 52:12 54:33 55:10
57:26 58:1167 59:570 60:313 61:1409 62:1121
63:2038 64:4345 65:2177 66:4375 67:2063 68:1122
69:3281 70:881 71:514 72:1925 74:2569 75:413
76:303 77:1128 78:1020 79:616 80:1270 81:1003
82:631 83:568 84:533 85:1163 86:459 87:990
88:537 89:1768 90:147 91:5510 92:594 93:1674
94:1840 95:1463 96:514 97:344 98:1037 99:41
100:30 101:325 103:2686 105:519 106:148 107:208
108:514 109:1827 110:891 111:1030 112:540 113:801
114:693 115:958 116:927 117:795 118:1086 119:1295
120:407 121:727 122:1791 123:1216 124:1357 125:1353
128:644 129:225 130:326 131:657 132:347 133:148
134:266 135:67 136:223 137:250 138:346 139:196
140:208 141:327 142:541 143:382 144:501 145:93
146:505 147:394 148:679 149:368 150:160 151:566
152:416 153:193 154:41 155:402 156:266 157:398
158:278 159:725 160:338 161:430 162:446 163:221
164:599 165:494 166:289 167:593 168:1027 169:129
170:1052 171:181 172:21 173:1671 174:611 175:465
176:1116 177:2076 178:1848 179:22 180:1452 181:425
182:1210 183:385 184:711 185:500 186:2278 187:1281
188:2149 189:1153 190:6348 192:6653 193:5682 194:4592
195:3420 196:1356 197:901 198:4481 199:5332 200:5938
201:2245 202:8828 203:8886 204:4506 205:2565 206:2810
207:2885 208:4059 209:3644 210:2968 211:1509 212:2190
213:1928 214:925 215:98 216:5267 217:1604 218:617
219:333 220:1264 221:558 222:321 223:449
End of report
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