Routing Table Report 04:00 +10GMT Fri 29 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 414961
Prefixes after maximum aggregation: 175380
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202137
Total ASes present in the Internet Routing Table: 41380
Prefixes per ASN: 10.03
Origin-only ASes present in the Internet Routing Table: 33294
Origin ASes announcing only one prefix: 15655
Transit ASes present in the Internet Routing Table: 5553
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 392
Unregistered ASNs in the Routing Table: 124
Number of 32-bit ASNs allocated by the RIRs: 2900
Number of 32-bit ASNs visible in the Routing Table: 2533
Prefixes from 32-bit ASNs in the Routing Table: 6535
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2570512556
Equivalent to 153 /8s, 54 /16s and 232 /24s
Percentage of available address space announced: 69.4
Percentage of allocated address space announced: 69.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 144113
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101185
Total APNIC prefixes after maximum aggregation: 32726
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 101627
Unique aggregates announced from the APNIC address blocks: 41919
APNIC Region origin ASes present in the Internet Routing Table: 4715
APNIC Prefixes per ASN: 21.55
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 751
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 238
Number of APNIC addresses announced to Internet: 703734400
Equivalent to 41 /8s, 242 /16s and 34 /24s
Percentage of available APNIC address space announced: 82.2
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: 152239
Total ARIN prefixes after maximum aggregation: 77263
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153194
Unique aggregates announced from the ARIN address blocks: 68301
ARIN Region origin ASes present in the Internet Routing Table: 15182
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5754
ARIN Region transit ASes present in the Internet Routing Table: 1602
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1081105280
Equivalent to 64 /8s, 112 /16s and 91 /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, 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: 103662
Total RIPE prefixes after maximum aggregation: 54871
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105833
Unique aggregates announced from the RIPE address blocks: 66889
RIPE Region origin ASes present in the Internet Routing Table: 16627
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8060
RIPE Region transit ASes present in the Internet Routing Table: 2681
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1671
Number of RIPE addresses announced to Internet: 633335812
Equivalent to 37 /8s, 191 /16s and 240 /24s
Percentage of available RIPE address space announced: 92.1
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: 41789
Total LACNIC prefixes after maximum aggregation: 8297
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 44340
Unique aggregates announced from the LACNIC address blocks: 21592
LACNIC Region origin ASes present in the Internet Routing Table: 1605
LACNIC Prefixes per ASN: 27.63
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 307
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 602
Number of LACNIC addresses announced to Internet: 111544232
Equivalent to 6 /8s, 166 /16s and 7 /24s
Percentage of available LACNIC address space announced: 66.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9353
Total AfriNIC prefixes after maximum aggregation: 2165
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 9805
Unique aggregates announced from the AfriNIC address blocks: 3303
AfriNIC Region origin ASes present in the Internet Routing Table: 550
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 40505088
Equivalent to 2 /8s, 106 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 40.2
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 2686 11117 1200 Korea Telecom (KIX)
17974 1950 533 80 PT TELEKOMUNIKASI INDONESIA
7545 1689 301 87 TPG Internet Pty Ltd
4755 1597 386 154 TATA Communications formerly
9829 1301 1085 28 BSNL National Internet Backbo
9583 1168 87 508 Sify Limited
4808 1108 2052 314 CNCGROUP IP network: China169
7552 1100 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 967 291 63 BHARTI Airtel Ltd.
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 3399 3790 189 bellsouth.net, inc.
7029 3209 986 157 Windstream Communications Inc
18566 2090 382 180 Covad Communications
1785 1930 681 132 PaeTec Communications, Inc.
22773 1655 2911 121 Cox Communications, Inc.
20115 1650 1573 615 Charter Communications
4323 1573 1043 384 Time Warner Telecom
30036 1444 272 751 Mediacom Communications Corp
7018 1224 10013 822 AT&T WorldNet Services
11492 1190 216 354 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 1718 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 772 730 91 Uni2 Autonomous System
34984 716 189 175 BILISIM TELEKOM
31148 690 37 9 FreeNet ISP
6830 689 2234 437 UPC Distribution Services
20940 662 209 513 Akamai Technologies European
8551 582 364 61 Bezeq International
13188 503 100 10 Educational Network
3320 496 8443 408 Deutsche Telekom AG
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
10620 1982 345 207 TVCABLE BOGOTA
28573 1937 1213 54 NET Servicos de Comunicao S.A
6503 1531 418 65 AVANTEL, S.A.
8151 1488 3057 339 UniNet S.A. de C.V.
7303 1454 933 192 Telecom Argentina Stet-France
27947 705 73 93 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 588 248 88 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET S.A.
14117 566 65 59 Telefonica del Sur S.A.
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
8452 1268 958 13 TEDATA
24863 860 274 35 LINKdotNET AS number
6713 500 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 209 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 172 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
15706 164 32 6 Sudatel Internet Exchange Aut
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 3399 3790 189 bellsouth.net, inc.
7029 3209 986 157 Windstream Communications Inc
4766 2686 11117 1200 Korea Telecom (KIX)
18566 2090 382 180 Covad Communications
10620 1982 345 207 TVCABLE BOGOTA
17974 1950 533 80 PT TELEKOMUNIKASI INDONESIA
28573 1937 1213 54 NET Servicos de Comunicao S.A
1785 1930 681 132 PaeTec Communications, Inc.
8402 1718 544 16 Corbina telecom
7545 1689 301 87 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3209 3052 Windstream Communications Inc
18566 2090 1910 Covad Communications
28573 1937 1883 NET Servicos de Comunicao S.A
17974 1950 1870 PT TELEKOMUNIKASI INDONESIA
1785 1930 1798 PaeTec Communications, Inc.
10620 1982 1775 TVCABLE BOGOTA
8402 1718 1702 Corbina telecom
7545 1689 1602 TPG Internet Pty Ltd
22773 1655 1534 Cox Communications, Inc.
4766 2686 1486 Korea Telecom (KIX)
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
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
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
29760 UNALLOCATED 12.145.34.0/23 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.102.64.0/23 41023 Agencja Rozwoju Regionalnego
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
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 /8:19 /9:13 /10:28 /11:83 /12:236
/13:462 /14:836 /15:1513 /16:12291 /17:6338 /18:10753
/19:20825 /20:29593 /21:31306 /22:40934 /23:38911 /24:216991
/25:1228 /26:1464 /27:862 /28:169 /29:65 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2618 3209 Windstream Communications Inc
18566 2040 2090 Covad Communications
6389 1873 3399 bellsouth.net, inc.
8402 1422 1718 Corbina telecom
30036 1381 1444 Mediacom Communications Corp
11492 1153 1190 Cable One
22773 1087 1655 Cox Communications, Inc.
6503 1062 1531 AVANTEL, S.A.
1785 1041 1930 PaeTec Communications, Inc.
8452 1029 1268 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:567 2:777 3:1 4:13 5:80 6:3
8:431 12:2015 13:1 14:633 15:12 16:3
17:5 20:24 23:190 24:1787 27:1316 31:996
32:56 33:2 34:2 36:9 37:591 38:816
39:1 40:127 41:3155 42:142 44:3 46:1463
47:2 49:416 50:561 52:13 54:12 55:8
56:1 57:34 58:991 59:500 60:254 61:1230
62:1001 63:2039 64:4250 65:2255 66:4467 67:2020
68:1152 69:3195 70:982 71:503 72:1832 74:2606
75:476 76:332 77:953 78:906 79:491 80:1220
81:950 82:652 83:526 84:496 85:1189 86:423
87:929 88:331 89:1726 90:297 91:4979 92:575
93:1370 94:1592 95:1233 96:374 97:316 98:910
99:39 100:18 101:252 103:1216 106:103 107:189
108:349 109:1451 110:786 111:936 112:419 113:630
114:647 115:827 116:928 117:732 118:912 119:1237
120:350 121:694 122:1671 123:1097 124:1396 125:1253
128:545 129:198 130:255 131:635 132:292 133:22
134:245 135:61 136:216 137:240 138:334 139:185
140:494 141:254 142:436 143:369 144:534 145:76
146:508 147:287 148:767 149:318 150:164 151:175
152:473 153:175 154:17 155:433 156:225 157:381
158:191 159:620 160:343 161:269 162:351 163:192
164:652 165:414 166:581 167:476 168:909 169:126
170:889 171:143 172:5 173:1772 174:633 175:430
176:553 177:882 178:1531 180:1265 181:98 182:1010
183:244 184:524 185:1 186:1883 187:1087 188:1353
189:1611 190:5737 192:6011 193:5536 194:4544 195:3424
196:1199 197:166 198:3676 199:4816 200:5920 201:1982
202:8680 203:8631 204:4341 205:2538 206:2808 207:2791
208:4042 209:3613 210:2778 211:1556 212:2030 213:1927
214:869 215:83 216:5105 217:1570 218:551 219:311
220:1241 221:570 222:316 223:354
End of report