* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 06 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454647
Prefixes after maximum aggregation: 185607
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225101
Total ASes present in the Internet Routing Table: 44251
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34694
Origin ASes announcing only one prefix: 16145
Transit ASes present in the Internet Routing Table: 5868
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 55644) 23
Prefixes from unregistered ASNs in the Routing Table: 321
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 4785
Number of 32-bit ASNs visible in the Routing Table: 3689
Prefixes from 32-bit ASNs in the Routing Table: 10604
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 225
Number of addresses announced to Internet: 2623588396
Equivalent to 156 /8s, 96 /16s and 200 /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: 159372
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109367
Total APNIC prefixes after maximum aggregation: 33523
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110835
Unique aggregates announced from the APNIC address blocks: 45029
APNIC Region origin ASes present in the Internet Routing Table: 4855
APNIC Prefixes per ASN: 22.83
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 820
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: 558
Number of APNIC addresses announced to Internet: 724696032
Equivalent to 43 /8s, 49 /16s and 251 /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: 158641
Total ARIN prefixes after maximum aggregation: 80256
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159220
Unique aggregates announced from the ARIN address blocks: 73479
ARIN Region origin ASes present in the Internet Routing Table: 15726
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5982
ARIN Region transit ASes present in the Internet Routing Table: 1642
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: 1064535008
Equivalent to 63 /8s, 115 /16s and 131 /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: 117218
Total RIPE prefixes after maximum aggregation: 59991
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120726
Unique aggregates announced from the RIPE address blocks: 78103
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: 8171
RIPE Region transit ASes present in the Internet Routing Table: 2827
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2348
Number of RIPE addresses announced to Internet: 656680804
Equivalent to 39 /8s, 36 /16s and 39 /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: 47872
Total LACNIC prefixes after maximum aggregation: 9302
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 52176
Unique aggregates announced from the LACNIC address blocks: 24402
LACNIC Region origin ASes present in the Internet Routing Table: 1952
LACNIC Prefixes per ASN: 26.73
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 361
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 130716936
Equivalent to 7 /8s, 202 /16s and 149 /24s
Percentage of available LACNIC address space announced: 77.9
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: 10854
Total AfriNIC prefixes after maximum aggregation: 2493
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11465
Unique aggregates announced from the AfriNIC address blocks: 3880
AfriNIC Region origin ASes present in the Internet Routing Table: 631
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 46676224
Equivalent to 2 /8s, 200 /16s and 57 /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 2960 11559 926 Korea Telecom (KIX)
17974 2524 855 91 PT TELEKOMUNIKASI INDONESIA
7545 1992 320 108 TPG Internet Pty Ltd
4755 1736 391 192 TATA Communications formerly
9829 1512 1205 40 BSNL National Internet Backbo
9583 1220 91 503 Sify Limited
7552 1160 1080 13 Vietel Corporation
4808 1137 2121 330 CNCGROUP IP network: China169
9498 1123 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 3016 3692 76 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1986 2929 125 Cox Communications, Inc.
20115 1668 1614 619 Charter Communications
4323 1615 1138 402 Time Warner Telecom
701 1534 11075 841 UUNET Technologies, Inc.
30036 1334 298 642 Mediacom Communications Corp
7018 1300 11058 835 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 1701 544 16 Corbina telecom
34984 1269 244 223 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 895 314 702 Akamai Technologies European
13188 830 98 74 Educational Network
31148 812 41 25 FreeNet ISP
8551 773 370 43 Bezeq International
6830 769 2376 442 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 2797 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 407 UniNet S.A. de C.V.
18881 960 780 19 Global Village Telecom
6503 926 434 65 AVANTEL, S.A.
27947 837 89 105 Telconet S.A
3816 710 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 607 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 888 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 442 956 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 3016 3692 76 bellsouth.net, inc.
4766 2960 11559 926 Korea Telecom (KIX)
28573 2797 1547 112 NET Servicos de Comunicao S.A
10620 2649 416 217 TVCABLE BOGOTA
17974 2524 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 1992 320 108 TPG Internet Pty Ltd
1785 1991 677 123 PaeTec Communications, Inc.
22773 1986 2929 125 Cox Communications, Inc.
4755 1736 391 192 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 2797 2685 NET Servicos de Comunicao S.A
17974 2524 2433 PT TELEKOMUNIKASI INDONESIA
10620 2649 2432 TVCABLE BOGOTA
4766 2960 2034 Korea Telecom (KIX)
7545 1992 1884 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1991 1868 PaeTec Communications, Inc.
22773 1986 1861 Cox Communications, Inc.
8402 1701 1685 Corbina telecom
4755 1736 1544 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 /14:900 /15:1598 /16:12690 /17:6647 /18:11172
/19:22178 /20:32074 /21:34326 /22:47495 /23:42249 /24:238451
/25:1317 /26:1664 /27:855 /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 3016 bellsouth.net, inc.
8402 1390 1701 Corbina telecom
22773 1293 1986 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
10620 990 2649 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:820 2:811 3:3 4:15 5:766 6:11
8:557 12:1924 13:3 14:818 15:11 16:3
17:9 20:17 23:368 24:1770 27:1477 31:1320
32:57 33:2 34:5 36:32 37:1866 38:876
39:2 40:171 41:2805 42:194 44:6 46:1938
47:2 49:638 50:718 52:12 54:33 55:10
57:26 58:1167 59:571 60:313 61:1407 62:1124
63:2036 64:4321 65:2160 66:4203 67:2048 68:1079
69:3262 70:788 71:488 72:1914 74:2480 75:323
76:303 77:1129 78:1021 79:617 80:1270 81:1004
82:627 83:569 84:533 85:1165 86:460 87:991
88:537 89:1770 90:147 91:5511 92:592 93:1676
94:1844 95:1461 96:514 97:344 98:1000 99:41
100:31 101:325 103:2705 105:519 106:146 107:208
108:515 109:1827 110:890 111:1043 112:552 113:811
114:696 115:957 116:929 117:800 118:1087 119:1302
120:406 121:727 122:1794 123:1217 124:1357 125:1353
128:644 129:226 130:326 131:636 132:348 133:148
134:267 135:67 136:223 137:243 138:345 139:190
140:194 141:327 142:540 143:390 144:486 145:93
146:505 147:385 148:685 149:368 150:162 151:552
152:416 153:193 154:41 155:401 156:267 157:398
158:278 159:728 160:334 161:430 162:403 163:245
164:599 165:489 166:271 167:593 168:1022 169:129
170:1051 171:181 172:21 173:1593 174:543 175:466
176:1121 177:2024 178:1863 179:23 180:1459 181:427
182:1211 183:380 184:697 185:504 186:2268 187:1293
188:2144 189:1303 190:6394 192:6650 193:5695 194:4592
195:3422 196:1355 197:901 198:4469 199:5336 200:5949
201:2250 202:8830 203:8899 204:4501 205:2562 206:2811
207:2887 208:4056 209:3614 210:2959 211:1502 212:2187
213:1973 214:928 215:98 216:5215 217:1606 218:617
219:334 220:1264 221:558 222:321 223:454
End of report
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