* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 18 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459325
Prefixes after maximum aggregation: 186684
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228199
Total ASes present in the Internet Routing Table: 44534
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34854
Origin ASes announcing only one prefix: 16189
Transit ASes present in the Internet Routing Table: 5896
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: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3106
Unregistered ASNs in the Routing Table: 1269
Number of 32-bit ASNs allocated by the RIRs: 4883
Number of 32-bit ASNs visible in the Routing Table: 3784
Prefixes from 32-bit ASNs in the Routing Table: 11409
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 265
Number of addresses announced to Internet: 2630241068
Equivalent to 156 /8s, 198 /16s and 75 /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: 160598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110385
Total APNIC prefixes after maximum aggregation: 33814
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112371
Unique aggregates announced from the APNIC address blocks: 46143
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: 1215
APNIC Region transit ASes present in the Internet Routing Table: 827
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 605
Number of APNIC addresses announced to Internet: 725983968
Equivalent to 43 /8s, 69 /16s and 162 /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: 159173
Total ARIN prefixes after maximum aggregation: 80671
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159755
Unique aggregates announced from the ARIN address blocks: 74086
ARIN Region origin ASes present in the Internet Routing Table: 15789
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 6002
ARIN Region transit ASes present in the Internet Routing Table: 1648
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: 1067894080
Equivalent to 63 /8s, 166 /16s and 197 /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: 118606
Total RIPE prefixes after maximum aggregation: 60280
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 122089
Unique aggregates announced from the RIPE address blocks: 78685
RIPE Region origin ASes present in the Internet Routing Table: 17303
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8201
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: 2376
Number of RIPE addresses announced to Internet: 656225124
Equivalent to 39 /8s, 29 /16s and 51 /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: 48781
Total LACNIC prefixes after maximum aggregation: 9347
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 53343
Unique aggregates announced from the LACNIC address blocks: 25067
LACNIC Region origin ASes present in the Internet Routing Table: 1979
LACNIC Prefixes per ASN: 26.95
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 363
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: 778
Number of LACNIC addresses announced to Internet: 133485736
Equivalent to 7 /8s, 244 /16s and 212 /24s
Percentage of available LACNIC address space announced: 79.6
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: 10881
Total AfriNIC prefixes after maximum aggregation: 2531
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 11502
Unique aggregates announced from the AfriNIC address blocks: 3971
AfriNIC Region origin ASes present in the Internet Routing Table: 649
AfriNIC Prefixes per ASN: 17.72
AfriNIC Region origin ASes announcing only one prefix: 191
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: 46278656
Equivalent to 2 /8s, 194 /16s and 40 /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 2927 11560 919 Korea Telecom (KIX)
17974 2582 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2027 320 109 TPG Internet Pty Ltd
4755 1757 391 192 TATA Communications formerly
9829 1535 1220 44 BSNL National Internet Backbo
9583 1464 118 561 Sify Limited
4808 1174 2153 337 CNCGROUP IP network: China169
9498 1162 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 2988 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1999 678 126 PaeTec Communications, Inc.
22773 1996 2927 124 Cox Communications, Inc.
20115 1665 1619 615 Charter Communications
4323 1616 1134 405 Time Warner Telecom
701 1529 11127 796 UUNET Technologies, Inc.
30036 1351 304 654 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 1627 544 16 Corbina telecom
2118 1345 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
20940 915 316 722 Akamai Technologies European
13188 837 98 81 Educational Network
6830 806 2376 441 UPC Distribution Services
31148 801 40 25 FreeNet ISP
8551 780 370 45 Bezeq International
12479 681 789 57 Uni2 Autonomous System
34744 637 160 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 2942 1588 108 NET Servicos de Comunicao S.A
10620 2697 423 192 TVCABLE BOGOTA
7303 1733 1155 222 Telecom Argentina Stet-France
8151 1266 2751 382 UniNet S.A. de C.V.
18881 1205 844 20 Global Village Telecom
27947 828 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 715 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 619 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 1172 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 448 956 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 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 2988 3691 69 bellsouth.net, inc.
28573 2942 1588 108 NET Servicos de Comunicao S.A
4766 2927 11560 919 Korea Telecom (KIX)
10620 2697 423 192 TVCABLE BOGOTA
17974 2582 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2027 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 2942 2834 NET Servicos de Comunicao S.A
10620 2697 2505 TVCABLE BOGOTA
17974 2582 2490 PT TELEKOMUNIKASI INDONESIA
4766 2927 2008 Korea Telecom (KIX)
7545 2027 1918 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1996 1872 Cox Communications, Inc.
8402 1627 1611 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
/13:482 /14:903 /15:1602 /16:12718 /17:6643 /18:11018
/19:22491 /20:32108 /21:34595 /22:48283 /23:42435 /24:241708
/25:1304 /26:1637 /27:852 /28:40 /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 2988 bellsouth.net, inc.
8402 1325 1627 Corbina telecom
22773 1298 1996 Cox Communications, Inc.
30036 1218 1351 Mediacom Communications Corp
11492 1185 1224 Cable One
36998 1140 1172 MOBITEL
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)
----------------------------------------------
1:842 2:735 3:3 4:19 5:837 6:16
8:571 12:1914 13:3 14:863 15:11 16:3
17:10 20:17 23:295 24:1775 27:1491 31:1324
32:45 33:2 34:5 36:59 37:1866 38:884
39:2 40:176 41:2733 42:232 44:8 46:1955
47:2 49:670 50:775 52:12 54:34 55:9
57:26 58:1159 59:585 60:327 61:1417 62:1131
63:2014 64:4351 65:2155 66:4175 67:2019 68:1075
69:3275 70:798 71:491 72:1912 74:2469 75:324
76:307 77:1133 78:998 79:610 80:1288 81:1009
82:635 83:579 84:593 85:1192 86:465 87:1019
88:546 89:1813 90:149 91:5531 92:617 93:1773
94:1932 95:1702 96:521 97:342 98:1025 99:42
100:30 101:576 103:2939 105:472 106:139 107:208
108:514 109:1870 110:927 111:1070 112:550 113:817
114:701 115:995 116:969 117:824 118:1130 119:1325
120:391 121:737 122:1805 123:1235 124:1376 125:1394
128:634 129:213 130:309 131:672 132:360 133:155
134:271 135:68 136:256 137:243 138:340 139:192
140:197 141:328 142:548 143:385 144:507 145:98
146:528 147:400 148:664 149:352 150:149 151:552
152:415 153:189 154:28 155:416 156:265 157:394
158:280 159:741 160:345 161:448 162:482 163:226
164:582 165:503 166:253 167:599 168:1030 169:129
170:1062 171:182 172:23 173:1597 174:546 175:494
176:1164 177:2123 178:1873 179:65 180:1470 181:540
182:1260 183:415 184:667 185:648 186:2365 187:1333
188:1924 189:1287 190:6745 192:6853 193:5820 194:4693
195:3544 196:1348 197:895 198:4531 199:5353 200:6018
201:2207 202:8825 203:8887 204:4505 205:2594 206:2862
207:2854 208:4009 209:3592 210:2915 211:1522 212:2197
213:2008 214:917 215:99 216:5251 217:1619 218:621
219:320 220:1278 221:559 222:321 223:446
End of report
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