* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 09 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 457999
Prefixes after maximum aggregation: 186356
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227346
Total ASes present in the Internet Routing Table: 44446
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34800
Origin ASes announcing only one prefix: 16155
Transit ASes present in the Internet Routing Table: 5879
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2276
Unregistered ASNs in the Routing Table: 1032
Number of 32-bit ASNs allocated by the RIRs: 4856
Number of 32-bit ASNs visible in the Routing Table: 3767
Prefixes from 32-bit ASNs in the Routing Table: 11184
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 230
Number of addresses announced to Internet: 2627525388
Equivalent to 156 /8s, 156 /16s and 219 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 160463
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109723
Total APNIC prefixes after maximum aggregation: 33735
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111621
Unique aggregates announced from the APNIC address blocks: 45948
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 23.00
APNIC Region origin ASes announcing only one prefix: 1208
APNIC Region transit ASes present in the Internet Routing Table: 826
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 600
Number of APNIC addresses announced to Internet: 725453024
Equivalent to 43 /8s, 61 /16s and 136 /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: 159023
Total ARIN prefixes after maximum aggregation: 80481
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159638
Unique aggregates announced from the ARIN address blocks: 73816
ARIN Region origin ASes present in the Internet Routing Table: 15754
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5993
ARIN Region transit ASes present in the Internet Routing Table: 1640
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: 1065546304
Equivalent to 63 /8s, 130 /16s and 242 /24s
Percentage of available ARIN address space announced: 56.4
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: 118087
Total RIPE prefixes after maximum aggregation: 60281
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121533
Unique aggregates announced from the RIPE address blocks: 78568
RIPE Region origin ASes present in the Internet Routing Table: 17283
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8188
RIPE Region transit ASes present in the Internet Routing Table: 2829
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: 2372
Number of RIPE addresses announced to Internet: 656731748
Equivalent to 39 /8s, 36 /16s and 238 /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: 48978
Total LACNIC prefixes after maximum aggregation: 9348
LACNIC Deaggregation factor: 5.24
Prefixes being announced from the LACNIC address blocks: 53443
Unique aggregates announced from the LACNIC address blocks: 24918
LACNIC Region origin ASes present in the Internet Routing Table: 1974
LACNIC Prefixes per ASN: 27.07
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 361
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: 770
Number of LACNIC addresses announced to Internet: 133238152
Equivalent to 7 /8s, 241 /16s and 13 /24s
Percentage of available LACNIC address space announced: 79.4
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: 10914
Total AfriNIC prefixes after maximum aggregation: 2470
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11534
Unique aggregates announced from the AfriNIC address blocks: 3884
AfriNIC Region origin ASes present in the Internet Routing Table: 640
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 185
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: 46225920
Equivalent to 2 /8s, 193 /16s and 90 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2936 11561 920 Korea Telecom (KIX)
17974 2567 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2026 320 108 TPG Internet Pty Ltd
4755 1753 391 192 TATA Communications formerly
9829 1519 1209 41 BSNL National Internet Backbo
9583 1463 117 564 Sify Limited
4808 1173 2151 340 CNCGROUP IP network: China169
7552 1159 1080 13 Vietel Corporation
9498 1151 309 71 BHARTI Airtel Ltd.
24560 1082 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 2990 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1997 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
20115 1667 1618 620 Charter Communications
4323 1621 1137 403 Time Warner Telecom
701 1532 11127 799 UUNET Technologies, Inc.
30036 1338 300 662 Mediacom Communications Corp
7018 1298 11034 820 AT&T WorldNet Services
11492 1207 216 395 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 1656 544 16 Corbina telecom
34984 1280 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 912 319 716 Akamai Technologies European
13188 826 98 80 Educational Network
31148 808 40 25 FreeNet ISP
6830 783 2375 440 UPC Distribution Services
8551 778 370 45 Bezeq International
12479 673 789 57 Uni2 Autonomous System
34744 656 171 76 SC GVM SISTEM 2003 SRL
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 2915 1576 107 NET Servicos de Comunicao S.A
10620 2686 421 187 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1271 2745 385 UniNet S.A. de C.V.
18881 1117 844 20 Global Village Telecom
6503 864 434 63 AVANTEL, S.A.
27947 824 94 93 Telconet S.A
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 618 88 65 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 1298 80 4 MOBITEL
24863 838 274 30 LINKdotNET AS number
6713 529 617 25 Itissalat Al-MAGHRIB
8452 457 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 219 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
12258 194 28 67 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 2990 3691 69 bellsouth.net, inc.
4766 2936 11561 920 Korea Telecom (KIX)
28573 2915 1576 107 NET Servicos de Comunicao S.A
10620 2686 421 187 TVCABLE BOGOTA
17974 2567 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2026 320 108 TPG Internet Pty Ltd
1785 1997 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
4755 1753 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 2915 2808 NET Servicos de Comunicao S.A
10620 2686 2499 TVCABLE BOGOTA
17974 2567 2475 PT TELEKOMUNIKASI INDONESIA
4766 2936 2016 Korea Telecom (KIX)
7545 2026 1918 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1997 1871 PaeTec Communications, Inc.
22773 1988 1865 Cox Communications, Inc.
8402 1656 1640 Corbina telecom
4755 1753 1561 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
59628 UNALLOCATED 5.200.128.0/17 48159 Telecommunication In
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
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
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
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
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.200.128.0/17 59628 >>UNKNOWN<<
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.
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 /11:92 /12:250
/13:482 /14:899 /15:1603 /16:12711 /17:6639 /18:11114
/19:22504 /20:32116 /21:34513 /22:48156 /23:42449 /24:240605
/25:1278 /26:1530 /27:856 /28:45 /29:67 /30:17
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1717 2990 bellsouth.net, inc.
8402 1354 1656 Corbina telecom
22773 1293 1988 Cox Communications, Inc.
36998 1266 1298 MOBITEL
30036 1206 1338 Mediacom Communications Corp
11492 1168 1207 Cable One
1785 1065 1997 PaeTec Communications, Inc.
6983 1015 1144 ITC^Deltacom
10620 1000 2686 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:847 2:746 3:3 4:19 5:812 6:16
8:562 12:1914 13:3 14:862 15:11 16:3
17:10 20:17 23:295 24:1766 27:1476 31:1315
32:45 33:2 34:5 36:52 37:1866 38:878
39:2 40:171 41:2785 42:225 44:8 46:1911
47:2 49:666 50:749 52:12 54:35 55:4
57:26 58:1155 59:584 60:328 61:1410 62:1126
63:2012 64:4337 65:2158 66:4173 67:2030 68:1076
69:3287 70:833 71:491 72:1929 74:2463 75:324
76:308 77:1124 78:1007 79:616 80:1270 81:1015
82:630 83:594 84:588 85:1190 86:450 87:1015
88:539 89:1750 90:149 91:5532 92:607 93:1778
94:1893 95:1627 96:523 97:343 98:1017 99:42
100:30 101:336 103:2918 105:519 106:138 107:206
108:513 109:1847 110:914 111:1062 112:548 113:815
114:692 115:964 116:960 117:802 118:1109 119:1322
120:384 121:735 122:1799 123:1220 124:1376 125:1383
128:635 129:223 130:310 131:668 132:360 133:155
134:269 135:68 136:223 137:242 138:340 139:189
140:210 141:326 142:541 143:377 144:501 145:96
146:510 147:388 148:669 149:351 150:148 151:520
152:417 153:189 154:24 155:413 156:265 157:398
158:279 159:717 160:344 161:454 162:473 163:222
164:603 165:499 166:245 167:595 168:1022 169:129
170:1061 171:181 172:23 173:1598 174:543 175:475
176:1160 177:2117 178:1861 179:53 180:1460 181:502
182:1256 183:423 184:668 185:626 186:2300 187:1308
188:2072 189:1288 190:6793 192:6823 193:5809 194:4628
195:3436 196:1365 197:944 198:4508 199:5345 200:6018
201:2212 202:8811 203:8891 204:4513 205:2565 206:2810
207:2849 208:4017 209:3606 210:2922 211:1519 212:2184
213:1991 214:909 215:99 216:5259 217:1607 218:622
219:322 220:1281 221:557 222:321 223:451
End of report
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