* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 01 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 419222
Prefixes after maximum aggregation: 176884
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 204630
Total ASes present in the Internet Routing Table: 41654
Prefixes per ASN: 10.06
Origin-only ASes present in the Internet Routing Table: 33379
Origin ASes announcing only one prefix: 15678
Transit ASes present in the Internet Routing Table: 5597
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 376
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 3052
Number of 32-bit ASNs visible in the Routing Table: 2678
Prefixes from 32-bit ASNs in the Routing Table: 6886
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 167
Number of addresses announced to Internet: 2571326092
Equivalent to 153 /8s, 67 /16s and 82 /24s
Percentage of available address space announced: 69.4
Percentage of allocated address space announced: 69.5
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: 146235
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102345
Total APNIC prefixes after maximum aggregation: 32878
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102829
Unique aggregates announced from the APNIC address blocks: 42324
APNIC Region origin ASes present in the Internet Routing Table: 4728
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 752
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: 264
Number of APNIC addresses announced to Internet: 706027392
Equivalent to 42 /8s, 21 /16s and 31 /24s
Percentage of available APNIC address space announced: 82.5
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: 153038
Total ARIN prefixes after maximum aggregation: 77786
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154121
Unique aggregates announced from the ARIN address blocks: 68714
ARIN Region origin ASes present in the Internet Routing Table: 15202
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5762
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: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1072612480
Equivalent to 63 /8s, 238 /16s and 196 /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: 104382
Total RIPE prefixes after maximum aggregation: 55613
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106583
Unique aggregates announced from the RIPE address blocks: 68118
RIPE Region origin ASes present in the Internet Routing Table: 16714
RIPE Prefixes per ASN: 6.38
RIPE Region origin ASes announcing only one prefix: 8092
RIPE Region transit ASes present in the Internet Routing Table: 2709
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1758
Number of RIPE addresses announced to Internet: 637734116
Equivalent to 38 /8s, 3 /16s and 12 /24s
Percentage of available RIPE address space announced: 92.7
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: 42898
Total LACNIC prefixes after maximum aggregation: 8378
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 45586
Unique aggregates announced from the LACNIC address blocks: 21949
LACNIC Region origin ASes present in the Internet Routing Table: 1614
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 421
LACNIC Region transit ASes present in the Internet Routing Table: 314
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: 634
Number of LACNIC addresses announced to Internet: 113135016
Equivalent to 6 /8s, 190 /16s and 77 /24s
Percentage of available LACNIC address space announced: 67.4
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: 9514
Total AfriNIC prefixes after maximum aggregation: 2174
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 9936
Unique aggregates announced from the AfriNIC address blocks: 3379
AfriNIC Region origin ASes present in the Internet Routing Table: 549
AfriNIC Prefixes per ASN: 18.10
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 121
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: 6
Number of AfriNIC addresses announced to Internet: 41390336
Equivalent to 2 /8s, 119 /16s and 145 /24s
Percentage of available AfriNIC address space announced: 41.1
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 2760 11123 1253 Korea Telecom (KIX)
17974 2276 578 92 PT TELEKOMUNIKASI INDONESIA
7545 1705 301 87 TPG Internet Pty Ltd
4755 1602 386 156 TATA Communications formerly
9829 1309 1084 31 BSNL National Internet Backbo
9583 1160 87 508 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1121 2053 321 CNCGROUP IP network: China169
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 993 294 73 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
7029 3442 986 155 Windstream Communications Inc
6389 3382 3773 191 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1939 681 130 PaeTec Communications, Inc.
22773 1698 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1575 1027 383 Time Warner Telecom
30036 1304 252 798 Mediacom Communications Corp
7018 1253 10040 823 AT&T WorldNet Services
7011 1191 316 697 Citizens Utilities
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 1594 544 16 Corbina telecom
12479 808 749 92 Uni2 Autonomous System
34984 735 189 177 BILISIM TELEKOM
6830 714 2310 445 UPC Distribution Services
20940 712 231 559 Akamai Technologies European
31148 706 37 9 FreeNet ISP
2118 664 97 14 EUnet/RELCOM Autonomous Syste
13188 637 100 9 Educational Network
8551 578 364 61 Bezeq International
58113 531 62 287 LIR DATACENTER TELECOM 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
10620 2033 349 209 TVCABLE BOGOTA
28573 2003 1228 57 NET Servicos de Comunicao S.A
6503 1527 419 67 AVANTEL, S.A.
8151 1470 3071 349 UniNet S.A. de C.V.
7303 1458 934 196 Telecom Argentina Stet-France
6458 883 81 15 GUATEL
27947 719 74 95 Telconet S.A
11172 645 107 75 Servicios Alestra S.A de C.V
3816 599 252 86 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 1000 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 190 12 18 Starcomms Nigeria Limited
15706 177 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
7029 3442 986 155 Windstream Communications Inc
6389 3382 3773 191 bellsouth.net, inc.
4766 2760 11123 1253 Korea Telecom (KIX)
17974 2276 578 92 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
10620 2033 349 209 TVCABLE BOGOTA
28573 2003 1228 57 NET Servicos de Comunicao S.A
1785 1939 681 130 PaeTec Communications, Inc.
7545 1705 301 87 TPG Internet Pty Ltd
22773 1698 2914 125 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
6389 3382 3191 bellsouth.net, inc.
17974 2276 2184 PT TELEKOMUNIKASI INDONESIA
28573 2003 1946 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2033 1824 TVCABLE BOGOTA
1785 1939 1809 PaeTec Communications, Inc.
7545 1705 1618 TPG Internet Pty Ltd
8402 1594 1578 Corbina telecom
22773 1698 1573 Cox Communications, Inc.
4766 2760 1507 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
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.68.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59458 UNALLOCATED 5.149.96.0/21 50597 ScopeSky Communicati
59458 UNALLOCATED 5.149.104.0/22 50597 ScopeSky Communicati
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.163.0.0/16 47147 VisNetwork Media SRL
5.172.32.0/21 9125 SezamPro Professional Communi
5.172.40.0/21 48539 Oxilion B.V.
5.172.64.0/18 50809 Digitel Italia S.p.A.
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
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
/13:474 /14:847 /15:1529 /16:12334 /17:6374 /18:10759
/19:20938 /20:29883 /21:31748 /22:41457 /23:39698 /24:218964
/25:1234 /26:1487 /27:852 /28:164 /29:61 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3442 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1864 3382 bellsouth.net, inc.
8402 1306 1594 Corbina telecom
30036 1248 1304 Mediacom Communications Corp
11492 1154 1191 Cable One
22773 1122 1698 Cox Communications, Inc.
6503 1051 1527 AVANTEL, S.A.
1785 1048 1939 PaeTec Communications, Inc.
7011 930 1191 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:563 2:752 3:1 4:13 5:295 6:3
8:440 12:2010 13:1 14:624 15:11 16:3
17:6 20:24 23:206 24:1798 27:1322 31:1023
32:56 33:2 34:2 36:8 37:687 38:823
39:1 40:134 41:2830 42:158 44:3 46:1552
47:2 49:428 50:562 52:13 54:14 55:9
56:1 57:31 58:986 59:509 60:237 61:1287
62:915 63:2029 64:4205 65:2256 66:4518 67:2020
68:1156 69:3166 70:988 71:520 72:1865 74:2604
75:490 76:332 77:938 78:930 79:492 80:1228
81:948 82:639 83:540 84:513 85:1158 86:460
87:933 88:352 89:1782 90:304 91:5071 92:589
93:1312 94:1570 95:1269 96:400 97:310 98:896
99:39 100:22 101:256 103:1328 105:464 106:115
107:189 108:404 109:1484 110:795 111:940 112:434
113:683 114:694 115:857 116:923 117:736 118:946
119:1230 120:358 121:696 122:1681 123:1124 124:1380
125:1262 128:542 129:183 130:265 131:640 132:298
133:22 134:245 135:61 136:215 137:240 138:343
139:184 140:496 141:255 142:449 143:372 144:498
145:78 146:508 147:304 148:768 149:319 150:155
151:186 152:473 153:176 154:19 155:404 156:222
157:382 158:191 159:629 160:346 161:291 162:384
163:189 164:673 165:408 166:581 167:531 168:964
169:126 170:901 171:147 172:5 173:1713 174:613
175:431 176:575 177:991 178:1663 180:1327 181:113
182:1030 183:233 184:566 186:2047 187:1117 188:1367
189:1586 190:6147 192:6027 193:5434 194:4199 195:3242
196:1212 197:174 198:3684 199:4935 200:5977 201:1967
202:8727 203:8695 204:4388 205:2538 206:2795 207:2832
208:4045 209:3631 210:2761 211:1565 212:1996 213:1803
214:882 215:86 216:5079 217:1559 218:562 219:317
220:1238 221:571 222:337 223:351
End of report
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