* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 24 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 457107
Prefixes after maximum aggregation: 186134
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227656
Total ASes present in the Internet Routing Table: 44353
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34772
Origin ASes announcing only one prefix: 16169
Transit ASes present in the Internet Routing Table: 5850
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1453
Unregistered ASNs in the Routing Table: 654
Number of 32-bit ASNs allocated by the RIRs: 4810
Number of 32-bit ASNs visible in the Routing Table: 3731
Prefixes from 32-bit ASNs in the Routing Table: 10908
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 214
Number of addresses announced to Internet: 2642703660
Equivalent to 157 /8s, 132 /16s and 117 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 160061
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109782
Total APNIC prefixes after maximum aggregation: 33638
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112117
Unique aggregates announced from the APNIC address blocks: 46196
APNIC Region origin ASes present in the Internet Routing Table: 4850
APNIC Prefixes per ASN: 23.12
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 582
Number of APNIC addresses announced to Internet: 725393632
Equivalent to 43 /8s, 60 /16s and 160 /24s
Percentage of available APNIC address space announced: 84.8
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: 158792
Total ARIN prefixes after maximum aggregation: 80380
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159479
Unique aggregates announced from the ARIN address blocks: 74091
ARIN Region origin ASes present in the Internet Routing Table: 15749
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5999
ARIN Region transit ASes present in the Internet Routing Table: 1639
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: 19
Number of ARIN addresses announced to Internet: 1081797696
Equivalent to 64 /8s, 122 /16s and 236 /24s
Percentage of available ARIN address space announced: 57.2
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: 118022
Total RIPE prefixes after maximum aggregation: 60201
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120848
Unique aggregates announced from the RIPE address blocks: 78397
RIPE Region origin ASes present in the Internet Routing Table: 17246
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8182
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: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2361
Number of RIPE addresses announced to Internet: 656482916
Equivalent to 39 /8s, 33 /16s and 34 /24s
Percentage of available RIPE address space announced: 95.4
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: 48573
Total LACNIC prefixes after maximum aggregation: 9357
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 52936
Unique aggregates announced from the LACNIC address blocks: 24833
LACNIC Region origin ASes present in the Internet Routing Table: 1966
LACNIC Prefixes per ASN: 26.93
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 357
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: 763
Number of LACNIC addresses announced to Internet: 132429736
Equivalent to 7 /8s, 228 /16s and 183 /24s
Percentage of available LACNIC address space announced: 78.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 10932
Total AfriNIC prefixes after maximum aggregation: 2517
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11513
Unique aggregates announced from the AfriNIC address blocks: 3942
AfriNIC Region origin ASes present in the Internet Routing Table: 641
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 190
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46311680
Equivalent to 2 /8s, 194 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2944 11561 922 Korea Telecom (KIX)
17974 2556 855 91 PT TELEKOMUNIKASI INDONESIA
7545 2010 320 109 TPG Internet Pty Ltd
4755 1746 391 190 TATA Communications formerly
9829 1518 1205 40 BSNL National Internet Backbo
9583 1290 98 536 Sify Limited
7552 1149 1080 13 Vietel Corporation
4808 1146 2124 334 CNCGROUP IP network: China169
9498 1137 309 71 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 2998 3691 73 bellsouth.net, inc.
18566 2064 382 184 Covad Communications
1785 1994 678 126 PaeTec Communications, Inc.
22773 1983 2927 123 Cox Communications, Inc.
20115 1666 1617 617 Charter Communications
4323 1625 1138 403 Time Warner Telecom
701 1533 11143 800 UUNET Technologies, Inc.
30036 1336 301 645 Mediacom Communications Corp
7018 1299 11039 832 AT&T WorldNet Services
11492 1221 217 360 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 1705 544 16 Corbina telecom
34984 1280 244 222 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 890 308 697 Akamai Technologies European
13188 825 98 79 Educational Network
31148 805 40 25 FreeNet ISP
59592 791 50 52 Maxim Gade PE
8551 771 370 44 Bezeq International
6830 766 2376 440 UPC Distribution Services
12479 684 789 57 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 2821 1558 107 NET Servicos de Comunicao S.A
10620 2674 420 199 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1256 2719 388 UniNet S.A. de C.V.
18881 1002 844 20 Global Village Telecom
6503 864 434 64 AVANTEL, S.A.
27947 819 89 106 Telconet S.A
3816 715 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 662 373 24 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 884 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 463 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 922 219 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 207 17 12 Ci Telecom Autonomous system
36992 198 527 21 Etisalat MISR
12258 193 28 66 Vodacom Internet Company
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 2998 3691 73 bellsouth.net, inc.
4766 2944 11561 922 Korea Telecom (KIX)
28573 2821 1558 107 NET Servicos de Comunicao S.A
10620 2674 420 199 TVCABLE BOGOTA
17974 2556 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2064 382 184 Covad Communications
7545 2010 320 109 TPG Internet Pty Ltd
1785 1994 678 126 PaeTec Communications, Inc.
22773 1983 2927 123 Cox Communications, Inc.
4755 1746 391 190 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 2821 2714 NET Servicos de Comunicao S.A
10620 2674 2475 TVCABLE BOGOTA
17974 2556 2465 PT TELEKOMUNIKASI INDONESIA
4766 2944 2022 Korea Telecom (KIX)
7545 2010 1901 TPG Internet Pty Ltd
18566 2064 1880 Covad Communications
1785 1994 1868 PaeTec Communications, Inc.
22773 1983 1860 Cox Communications, Inc.
8402 1705 1689 Corbina telecom
4755 1746 1556 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 /8:17 /9:11 /10:30 /11:91 /12:248
/13:483 /14:900 /15:1603 /16:12690 /17:6652 /18:11183
/19:22223 /20:32051 /21:34474 /22:47680 /23:42270 /24:240570
/25:1301 /26:1635 /27:849 /28:46 /29:65 /30:19
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications
6389 1721 2998 bellsouth.net, inc.
8402 1401 1705 Corbina telecom
22773 1289 1983 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1203 1336 Mediacom Communications Corp
11492 1183 1221 Cable One
1785 1062 1994 PaeTec Communications, Inc.
6983 1011 1141 ITC^Deltacom
10620 994 2674 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:836 2:840 3:3 4:19 5:800 6:15
8:558 12:1925 13:3 14:848 15:11 16:3
17:10 20:17 23:280 24:1769 27:1489 31:1251
32:43 33:2 34:5 36:47 37:1868 38:880
39:2 40:170 41:2783 42:202 44:8 46:1907
47:2 49:1447 50:740 52:12 54:35 55:6
57:26 58:1160 59:575 60:321 61:1413 62:1122
63:2030 64:4309 65:2157 66:4174 67:2066 68:1075
69:3271 70:855 71:489 72:1914 74:2465 75:322
76:303 77:1126 78:1028 79:612 80:1269 81:1006
82:619 83:582 84:543 85:1169 86:436 87:1007
88:539 89:1741 90:147 91:5525 92:604 93:1737
94:1879 95:1670 96:515 97:346 98:1008 99:42
100:30 101:330 103:2844 105:517 106:142 107:207
108:511 109:1836 110:905 111:1061 112:546 113:814
114:714 115:961 116:958 117:801 118:1103 119:1323
120:389 121:732 122:1795 123:1220 124:1375 125:1376
128:637 129:223 130:310 131:660 132:360 133:155
134:264 135:67 136:223 137:241 138:347 139:191
140:211 141:330 142:532 143:380 144:494 145:94
146:501 147:380 148:666 149:348 150:154 151:533
152:420 153:189 154:23 155:408 156:270 157:397
158:279 159:726 160:344 161:438 162:446 163:222
164:602 165:498 166:243 167:597 168:1041 169:130
170:1052 171:181 172:21 173:1581 174:540 175:468
176:985 177:2077 178:1859 179:44 180:1458 181:466
182:1230 183:388 184:662 185:556 186:2266 187:1284
188:2127 189:1285 190:6854 192:6741 193:5669 194:4604
195:3442 196:1357 197:915 198:4495 199:5342 200:5993
201:2229 202:8837 203:8896 204:4512 205:2564 206:2798
207:2842 208:4052 209:3682 210:2948 211:1516 212:2176
213:1967 214:916 215:99 216:5302 217:1618 218:620
219:333 220:1283 221:557 222:325 223:459
End of report
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