* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 13 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455649
Prefixes after maximum aggregation: 185828
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225977
Total ASes present in the Internet Routing Table: 44296
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34703
Origin ASes announcing only one prefix: 16158
Transit ASes present in the Internet Routing Table: 5885
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: 55
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 775
Unregistered ASNs in the Routing Table: 314
Number of 32-bit ASNs allocated by the RIRs: 4789
Number of 32-bit ASNs visible in the Routing Table: 3708
Prefixes from 32-bit ASNs in the Routing Table: 10774
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 235
Number of addresses announced to Internet: 2625597356
Equivalent to 156 /8s, 127 /16s and 111 /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: 159820
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109419
Total APNIC prefixes after maximum aggregation: 33517
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110925
Unique aggregates announced from the APNIC address blocks: 45182
APNIC Region origin ASes present in the Internet Routing Table: 4851
APNIC Prefixes per ASN: 22.87
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 570
Number of APNIC addresses announced to Internet: 724996320
Equivalent to 43 /8s, 54 /16s and 144 /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: 158888
Total ARIN prefixes after maximum aggregation: 80386
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159455
Unique aggregates announced from the ARIN address blocks: 73925
ARIN Region origin ASes present in the Internet Routing Table: 15732
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5982
ARIN Region transit ASes present in the Internet Routing Table: 1655
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: 1065096000
Equivalent to 63 /8s, 124 /16s and 19 /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: 117200
Total RIPE prefixes after maximum aggregation: 60015
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120773
Unique aggregates announced from the RIPE address blocks: 78018
RIPE Region origin ASes present in the Internet Routing Table: 17233
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8175
RIPE Region transit ASes present in the Internet Routing Table: 2828
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: 2355
Number of RIPE addresses announced to Internet: 656632676
Equivalent to 39 /8s, 35 /16s and 107 /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: 48451
Total LACNIC prefixes after maximum aggregation: 9353
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 52846
Unique aggregates announced from the LACNIC address blocks: 24778
LACNIC Region origin ASes present in the Internet Routing Table: 1961
LACNIC Prefixes per ASN: 26.95
LACNIC Region origin ASes announcing only one prefix: 589
LACNIC Region transit ASes present in the Internet Routing Table: 364
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 131969576
Equivalent to 7 /8s, 221 /16s and 178 /24s
Percentage of available LACNIC address space announced: 78.7
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: 10822
Total AfriNIC prefixes after maximum aggregation: 2516
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 11415
Unique aggregates announced from the AfriNIC address blocks: 3856
AfriNIC Region origin ASes present in the Internet Routing Table: 635
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46574080
Equivalent to 2 /8s, 198 /16s and 170 /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 2947 11561 922 Korea Telecom (KIX)
17974 2538 855 91 PT TELEKOMUNIKASI INDONESIA
7545 1998 320 108 TPG Internet Pty Ltd
4755 1743 391 192 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 3012 3691 75 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1984 2927 122 Cox Communications, Inc.
20115 1664 1616 617 Charter Communications
4323 1622 1138 405 Time Warner Telecom
701 1534 11143 800 UUNET Technologies, Inc.
30036 1327 297 643 Mediacom Communications Corp
7018 1298 11039 832 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 1690 544 16 Corbina telecom
34984 1276 244 222 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 891 312 696 Akamai Technologies European
13188 824 98 78 Educational Network
31148 815 41 25 FreeNet ISP
8551 774 370 44 Bezeq International
6830 766 2376 440 UPC Distribution Services
34744 676 173 59 SC GVM SISTEM 2003 SRL
12479 667 779 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 2812 1557 111 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1288 2728 400 UniNet S.A. de C.V.
18881 994 844 20 Global Village Telecom
6503 877 434 65 AVANTEL, S.A.
27947 840 89 107 Telconet S.A
3816 713 306 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 882 274 31 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 455 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 261 922 219 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 3012 3691 75 bellsouth.net, inc.
4766 2947 11561 922 Korea Telecom (KIX)
28573 2812 1557 111 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
17974 2538 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 1998 320 108 TPG Internet Pty Ltd
1785 1992 677 124 PaeTec Communications, Inc.
22773 1984 2927 122 Cox Communications, Inc.
4755 1743 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 2812 2701 NET Servicos de Comunicao S.A
10620 2657 2448 TVCABLE BOGOTA
17974 2538 2447 PT TELEKOMUNIKASI INDONESIA
4766 2947 2025 Korea Telecom (KIX)
7545 1998 1890 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1992 1868 PaeTec Communications, Inc.
22773 1984 1862 Cox Communications, Inc.
8402 1690 1674 Corbina telecom
4755 1743 1551 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 /15:1603 /16:12705 /17:6664 /18:11163
/19:22179 /20:32050 /21:34353 /22:47703 /23:42172 /24:239310
/25:1311 /26:1652 /27:854 /28:46 /29:65 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1731 3012 bellsouth.net, inc.
8402 1386 1690 Corbina telecom
22773 1292 1984 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1196 1327 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1062 1992 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)
----------------------------------------------
1:827 2:838 3:3 4:19 5:775 6:11
8:556 12:1925 13:3 14:830 15:11 16:3
17:10 20:17 23:370 24:1765 27:1477 31:1317
32:43 33:2 34:5 36:40 37:1857 38:872
39:2 40:171 41:2779 42:195 44:6 46:1943
47:2 49:656 50:731 52:12 54:35 55:6
57:26 58:1151 59:573 60:315 61:1405 62:1123
63:2030 64:4316 65:2162 66:4191 67:2060 68:1080
69:3259 70:786 71:488 72:1919 74:2473 75:323
76:302 77:1137 78:1018 79:614 80:1269 81:1006
82:625 83:577 84:541 85:1161 86:454 87:996
88:538 89:1755 90:150 91:5531 92:599 93:1671
94:1866 95:1624 96:513 97:345 98:1003 99:42
100:30 101:326 103:2763 105:517 106:146 107:208
108:513 109:1823 110:900 111:1048 112:543 113:815
114:695 115:965 116:963 117:801 118:1087 119:1316
120:409 121:731 122:1792 123:1215 124:1366 125:1377
128:638 129:223 130:326 131:659 132:347 133:148
134:267 135:67 136:224 137:242 138:346 139:195
140:212 141:330 142:541 143:395 144:490 145:93
146:509 147:382 148:687 149:369 150:162 151:506
152:419 153:187 154:42 155:404 156:267 157:396
158:279 159:730 160:344 161:447 162:419 163:221
164:598 165:497 166:273 167:597 168:1028 169:130
170:1051 171:181 172:21 173:1584 174:544 175:470
176:965 177:2062 178:1876 179:29 180:1461 181:458
182:1218 183:386 184:694 185:536 186:2288 187:1300
188:2152 189:1255 190:6812 192:6684 193:5664 194:4586
195:3429 196:1356 197:904 198:4486 199:5330 200:5988
201:2230 202:8811 203:8903 204:4508 205:2580 206:2802
207:2847 208:4051 209:3616 210:2959 211:1508 212:2187
213:1972 214:932 215:98 216:5231 217:1617 218:619
219:346 220:1278 221:557 222:321 223:451
End of report
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