* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 19 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459491
Prefixes after maximum aggregation: 186845
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228576
Total ASes present in the Internet Routing Table: 44550
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34877
Origin ASes announcing only one prefix: 16199
Transit ASes present in the Internet Routing Table: 5887
Transit-only ASes present in the Internet Routing Table: 151
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3241
Unregistered ASNs in the Routing Table: 1308
Number of 32-bit ASNs allocated by the RIRs: 4884
Number of 32-bit ASNs visible in the Routing Table: 3786
Prefixes from 32-bit ASNs in the Routing Table: 11428
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 265
Number of addresses announced to Internet: 2630375916
Equivalent to 156 /8s, 200 /16s and 89 /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: 160635
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110397
Total APNIC prefixes after maximum aggregation: 33814
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112388
Unique aggregates announced from the APNIC address blocks: 46167
APNIC Region origin ASes present in the Internet Routing Table: 4854
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 608
Number of APNIC addresses announced to Internet: 726124960
Equivalent to 43 /8s, 71 /16s and 201 /24s
Percentage of available APNIC address space announced: 84.9
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: 159264
Total ARIN prefixes after maximum aggregation: 80753
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159856
Unique aggregates announced from the ARIN address blocks: 74111
ARIN Region origin ASes present in the Internet Routing Table: 15792
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1646
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: 1067897152
Equivalent to 63 /8s, 166 /16s and 209 /24s
Percentage of available ARIN address space announced: 56.5
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: 118540
Total RIPE prefixes after maximum aggregation: 60241
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 122037
Unique aggregates announced from the RIPE address blocks: 78719
RIPE Region origin ASes present in the Internet Routing Table: 17310
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8208
RIPE Region transit ASes present in the Internet Routing Table: 2837
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: 2373
Number of RIPE addresses announced to Internet: 656304740
Equivalent to 39 /8s, 30 /16s and 106 /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: 48882
Total LACNIC prefixes after maximum aggregation: 9459
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 53466
Unique aggregates announced from the LACNIC address blocks: 25352
LACNIC Region origin ASes present in the Internet Routing Table: 1984
LACNIC Prefixes per ASN: 26.95
LACNIC Region origin ASes announcing only one prefix: 585
LACNIC Region transit ASes present in the Internet Routing Table: 360
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: 780
Number of LACNIC addresses announced to Internet: 133340584
Equivalent to 7 /8s, 242 /16s and 157 /24s
Percentage of available LACNIC address space announced: 79.5
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: 10887
Total AfriNIC prefixes after maximum aggregation: 2537
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 11479
Unique aggregates announced from the AfriNIC address blocks: 3980
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 17.80
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: 46337280
Equivalent to 2 /8s, 195 /16s and 13 /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 2923 11560 919 Korea Telecom (KIX)
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2030 320 109 TPG Internet Pty Ltd
4755 1757 391 192 TATA Communications formerly
9829 1535 1220 44 BSNL National Internet Backbo
9583 1221 92 505 Sify Limited
4808 1173 2152 336 CNCGROUP IP network: China169
9498 1161 309 71 BHARTI Airtel Ltd.
7552 1159 1080 13 Vietel Corporation
24560 1085 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 2987 3690 68 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1999 678 126 PaeTec Communications, Inc.
22773 1996 2927 124 Cox Communications, Inc.
20115 1667 1621 619 Charter Communications
4323 1615 1118 404 Time Warner Telecom
701 1530 11127 796 UUNET Technologies, Inc.
30036 1343 303 661 Mediacom Communications Corp
7018 1300 11035 822 AT&T WorldNet Services
11492 1224 218 360 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 1624 544 16 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
31148 973 43 21 FreeNet ISP
20940 931 320 732 Akamai Technologies European
13188 837 98 81 Educational Network
6830 807 2376 442 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 675 789 57 Uni2 Autonomous System
34744 636 159 83 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 2918 1589 109 NET Servicos de Comunicao S.A
10620 2697 423 192 TVCABLE BOGOTA
7303 1733 1155 222 Telecom Argentina Stet-France
8151 1268 2751 382 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 825 94 91 Telconet S.A
6503 819 434 63 AVANTEL, 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 1253 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
29571 220 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
36992 206 527 23 Etisalat MISR
12258 193 28 71 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 2987 3690 68 bellsouth.net, inc.
4766 2923 11560 919 Korea Telecom (KIX)
28573 2918 1589 109 NET Servicos de Comunicao S.A
10620 2697 423 192 TVCABLE BOGOTA
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2030 320 109 TPG Internet Pty Ltd
1785 1999 678 126 PaeTec Communications, Inc.
22773 1996 2927 124 Cox Communications, Inc.
4755 1757 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 2918 2809 NET Servicos de Comunicao S.A
10620 2697 2505 TVCABLE BOGOTA
17974 2589 2497 PT TELEKOMUNIKASI INDONESIA
4766 2923 2004 Korea Telecom (KIX)
7545 2030 1921 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1996 1872 Cox Communications, Inc.
8402 1624 1608 Corbina telecom
4755 1757 1565 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
128.0.56.0/24 60996 >>UNKNOWN<<
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 /12:251
/13:479 /14:905 /15:1604 /16:12722 /17:6642 /18:11027
/19:22469 /20:32111 /21:34599 /22:48307 /23:42483 /24:241833
/25:1294 /26:1628 /27:839 /28:43 /29:69 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1716 2987 bellsouth.net, inc.
8402 1328 1624 Corbina telecom
22773 1298 1996 Cox Communications, Inc.
36998 1221 1253 MOBITEL
30036 1210 1343 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1068 1999 PaeTec Communications, Inc.
6983 1021 1149 ITC^Deltacom
10620 1001 2697 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:847 2:735 3:3 4:19 5:840 6:16
8:572 12:1914 13:3 14:866 15:11 16:3
17:10 20:17 23:296 24:1772 27:1490 31:1311
32:45 33:2 34:5 36:59 37:1887 38:883
39:2 40:176 41:2728 42:232 44:8 46:1955
47:2 49:670 50:775 52:12 54:34 55:9
57:26 58:1160 59:582 60:322 61:1419 62:1133
63:2014 64:4349 65:2156 66:4172 67:2016 68:1075
69:3278 70:798 71:491 72:1912 74:2470 75:324
76:307 77:1126 78:957 79:611 80:1289 81:1009
82:650 83:579 84:594 85:1206 86:465 87:1020
88:546 89:1816 90:150 91:5528 92:625 93:1771
94:1932 95:1701 96:521 97:343 98:1025 99:43
100:30 101:588 103:2947 105:521 106:139 107:208
108:516 109:1864 110:926 111:1069 112:550 113:819
114:699 115:1001 116:969 117:837 118:1117 119:1331
120:390 121:736 122:1808 123:1235 124:1376 125:1387
128:629 129:224 130:309 131:672 132:359 133:155
134:268 135:68 136:256 137:241 138:340 139:192
140:202 141:328 142:548 143:391 144:508 145:98
146:529 147:408 148:666 149:352 150:148 151:552
152:414 153:189 154:28 155:417 156:265 157:394
158:278 159:741 160:346 161:448 162:480 163:226
164:580 165:502 166:253 167:598 168:1025 169:128
170:1065 171:182 172:23 173:1582 174:548 175:494
176:1165 177:2122 178:1875 179:72 180:1472 181:546
182:1259 183:423 184:672 185:653 186:2377 187:1328
188:1924 189:1285 190:6740 192:6846 193:5863 194:4692
195:3542 196:1341 197:883 198:4531 199:5361 200:6017
201:2210 202:8838 203:8879 204:4506 205:2594 206:2869
207:2855 208:4011 209:3588 210:2913 211:1520 212:2190
213:2004 214:921 215:100 216:5259 217:1614 218:620
219:320 220:1283 221:556 222:321 223:441
End of report
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