* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 12 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 415430
Prefixes after maximum aggregation: 175849
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202642
Total ASes present in the Internet Routing Table: 41470
Prefixes per ASN: 10.02
Origin-only ASes present in the Internet Routing Table: 33292
Origin ASes announcing only one prefix: 15672
Transit ASes present in the Internet Routing Table: 5584
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 394
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 2962
Number of 32-bit ASNs visible in the Routing Table: 2594
Prefixes from 32-bit ASNs in the Routing Table: 6705
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2563997100
Equivalent to 152 /8s, 211 /16s and 125 /24s
Percentage of available address space announced: 69.2
Percentage of allocated address space announced: 69.3
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 143947
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101760
Total APNIC prefixes after maximum aggregation: 32777
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 102213
Unique aggregates announced from the APNIC address blocks: 42066
APNIC Region origin ASes present in the Internet Routing Table: 4721
APNIC Prefixes per ASN: 21.65
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 746
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 246
Number of APNIC addresses announced to Internet: 704270720
Equivalent to 41 /8s, 250 /16s and 81 /24s
Percentage of available APNIC address space announced: 82.3
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: 152308
Total ARIN prefixes after maximum aggregation: 77456
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153329
Unique aggregates announced from the ARIN address blocks: 68468
ARIN Region origin ASes present in the Internet Routing Table: 15175
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5746
ARIN Region transit ASes present in the Internet Routing Table: 1604
Average ARIN Region AS path length visible: 4.1
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: 1071052928
Equivalent to 63 /8s, 214 /16s and 248 /24s
Percentage of available ARIN address space announced: 56.7
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: 103058
Total RIPE prefixes after maximum aggregation: 55103
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 105228
Unique aggregates announced from the RIPE address blocks: 67007
RIPE Region origin ASes present in the Internet Routing Table: 16648
RIPE Prefixes per ASN: 6.32
RIPE Region origin ASes announcing only one prefix: 8075
RIPE Region transit ASes present in the Internet Routing Table: 2710
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1709
Number of RIPE addresses announced to Internet: 635232388
Equivalent to 37 /8s, 220 /16s and 224 /24s
Percentage of available RIPE address space announced: 92.3
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: 42302
Total LACNIC prefixes after maximum aggregation: 8345
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44956
Unique aggregates announced from the LACNIC address blocks: 21719
LACNIC Region origin ASes present in the Internet Routing Table: 1609
LACNIC Prefixes per ASN: 27.94
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 311
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 617
Number of LACNIC addresses announced to Internet: 112221480
Equivalent to 6 /8s, 176 /16s and 93 /24s
Percentage of available LACNIC address space announced: 66.9
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: 9100
Total AfriNIC prefixes after maximum aggregation: 2114
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 9546
Unique aggregates announced from the AfriNIC address blocks: 3245
AfriNIC Region origin ASes present in the Internet Routing Table: 553
AfriNIC Prefixes per ASN: 17.26
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 4.5
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: 40648448
Equivalent to 2 /8s, 108 /16s and 63 /24s
Percentage of available AfriNIC address space announced: 40.4
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 2739 11119 1236 Korea Telecom (KIX)
17974 2214 558 79 PT TELEKOMUNIKASI INDONESIA
7545 1691 301 87 TPG Internet Pty Ltd
4755 1612 388 162 TATA Communications formerly
9829 1303 1085 28 BSNL National Internet Backbo
9583 1165 87 506 Sify Limited
7552 1127 1062 11 Vietel Corporation
4808 1118 2053 320 CNCGROUP IP network: China169
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 981 291 67 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 3389 3773 187 bellsouth.net, inc.
7029 3316 986 161 Windstream Communications Inc
18566 2088 382 181 Covad Communications
1785 1933 681 130 PaeTec Communications, Inc.
22773 1662 2911 121 Cox Communications, Inc.
20115 1651 1573 616 Charter Communications
4323 1574 1043 384 Time Warner Telecom
30036 1384 264 784 Mediacom Communications Corp
7018 1259 10044 823 AT&T WorldNet Services
11492 1191 216 355 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 1641 544 16 Corbina telecom
12479 793 741 92 Uni2 Autonomous System
34984 728 189 174 BILISIM TELEKOM
6830 709 2292 443 UPC Distribution Services
31148 700 37 9 FreeNet ISP
20940 677 217 524 Akamai Technologies European
2118 662 97 14 EUnet/RELCOM Autonomous Syste
8551 577 364 61 Bezeq International
13188 565 100 10 Educational Network
3320 499 8443 410 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
28573 1993 1214 55 NET Servicos de Comunicao S.A
10620 1989 346 208 TVCABLE BOGOTA
6503 1529 434 67 AVANTEL, S.A.
8151 1464 3042 342 UniNet S.A. de C.V.
7303 1454 934 194 Telecom Argentina Stet-France
6458 708 81 15 GUATEL
27947 708 73 93 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 589 246 90 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET 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 1157 958 13 TEDATA
24863 862 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 285 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 181 12 18 Starcomms Nigeria Limited
16637 167 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
15706 159 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 3389 3773 187 bellsouth.net, inc.
7029 3316 986 161 Windstream Communications Inc
4766 2739 11119 1236 Korea Telecom (KIX)
17974 2214 558 79 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
28573 1993 1214 55 NET Servicos de Comunicao S.A
10620 1989 346 208 TVCABLE BOGOTA
1785 1933 681 130 PaeTec Communications, Inc.
7545 1691 301 87 TPG Internet Pty Ltd
22773 1662 2911 121 Cox Communications, Inc.
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 3316 3155 Windstream Communications Inc
17974 2214 2135 PT TELEKOMUNIKASI INDONESIA
28573 1993 1938 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
1785 1933 1803 PaeTec Communications, Inc.
10620 1989 1781 TVCABLE BOGOTA
8402 1641 1625 Corbina telecom
7545 1691 1604 TPG Internet Pty Ltd
22773 1662 1541 Cox Communications, Inc.
4766 2739 1503 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
198.18.0.0/15 14744 Internap Network Services
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.134.128.0/18 51074 Gostaresh Ertebatate Mabna Co
5.144.136.0/21 8304 Groupe Ecritel France Autonom
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
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 /9:12 /10:28 /11:82 /12:236
/13:471 /14:842 /15:1519 /16:12287 /17:6365 /18:10763
/19:20850 /20:29713 /21:31488 /22:41103 /23:39182 /24:216616
/25:1238 /26:1486 /27:861 /28:166 /29:62 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2674 3316 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1868 3389 bellsouth.net, inc.
8402 1337 1641 Corbina telecom
30036 1321 1384 Mediacom Communications Corp
11492 1154 1191 Cable One
22773 1093 1662 Cox Communications, Inc.
6503 1055 1529 AVANTEL, S.A.
1785 1043 1933 PaeTec Communications, Inc.
7011 926 1189 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:575 2:735 3:1 4:13 5:111 6:3
8:435 12:2009 13:1 14:627 15:12 16:3
17:5 20:24 23:188 24:1793 27:1328 31:1008
32:56 33:2 34:2 36:8 37:595 38:822
39:1 40:128 41:2984 42:141 44:3 46:1530
47:2 49:423 50:550 52:13 54:13 55:8
56:1 57:34 58:981 59:527 60:246 61:1335
62:922 63:2038 64:4235 65:2240 66:4493 67:2007
68:1144 69:3193 70:981 71:512 72:1837 74:2595
75:478 76:334 77:934 78:886 79:492 80:1225
81:949 82:654 83:526 84:500 85:1158 86:419
87:932 88:357 89:1674 90:302 91:5013 92:579
93:1323 94:1561 95:1218 96:377 97:318 98:888
99:39 100:19 101:254 103:1242 106:115 107:188
108:367 109:1442 110:787 111:935 112:419 113:615
114:652 115:907 116:928 117:729 118:898 119:1218
120:350 121:800 122:1664 123:1094 124:1377 125:1263
128:552 129:186 130:263 131:635 132:300 133:22
134:246 135:61 136:219 137:239 138:334 139:176
140:496 141:244 142:431 143:372 144:475 145:77
146:519 147:286 148:769 149:319 150:151 151:185
152:475 153:176 154:17 155:431 156:220 157:382
158:188 159:625 160:342 161:268 162:379 163:192
164:666 165:413 166:588 167:530 168:912 169:126
170:897 171:147 172:5 173:1726 174:611 175:436
176:560 177:936 178:1572 180:1285 181:103 182:1035
183:203 184:539 186:1949 187:1089 188:1351 189:1596
190:5919 192:6008 193:5436 194:4198 195:3229 196:1203
197:168 198:3679 199:4850 200:5938 201:1993 202:8703
203:8663 204:4346 205:2530 206:2813 207:2803 208:4040
209:3622 210:2782 211:1561 212:1942 213:1825 214:882
215:83 216:5086 217:1541 218:553 219:339 220:1227
221:569 222:338 223:348
End of report
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