* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 19 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 410192
Prefixes after maximum aggregation: 173880
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203353
Total ASes present in the Internet Routing Table: 38776
Prefixes per ASN: 10.58
Origin-only ASes present in the Internet Routing Table: 33407
Origin ASes announcing only one prefix: 15741
Transit ASes present in the Internet Routing Table: 5369
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1040
Unregistered ASNs in the Routing Table: 176
Number of 32-bit ASNs allocated by the RIRs: 3000
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6757
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 2586249472
Equivalent to 154 /8s, 39 /16s and 9 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
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: 141364
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96063
Total APNIC prefixes after maximum aggregation: 31221
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97124
Unique aggregates announced from the APNIC address blocks: 42076
APNIC Region origin ASes present in the Internet Routing Table: 4674
APNIC Prefixes per ASN: 20.78
APNIC Region origin ASes announcing only one prefix: 1277
APNIC Region transit ASes present in the Internet Routing Table: 725
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 702243328
Equivalent to 41 /8s, 219 /16s and 98 /24s
Percentage of available APNIC address space announced: 82.1
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: 151543
Total ARIN prefixes after maximum aggregation: 77027
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152530
Unique aggregates announced from the ARIN address blocks: 68601
ARIN Region origin ASes present in the Internet Routing Table: 15134
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5758
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1071543808
Equivalent to 63 /8s, 222 /16s and 118 /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: 104066
Total RIPE prefixes after maximum aggregation: 55154
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106225
Unique aggregates announced from the RIPE address blocks: 67299
RIPE Region origin ASes present in the Internet Routing Table: 16670
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8099
RIPE Region transit ASes present in the Internet Routing Table: 2639
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 636514048
Equivalent to 37 /8s, 240 /16s and 111 /24s
Percentage of available RIPE address space announced: 92.5
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: 41668
Total LACNIC prefixes after maximum aggregation: 8263
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 44333
Unique aggregates announced from the LACNIC address blocks: 21836
LACNIC Region origin ASes present in the Internet Routing Table: 1596
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 303
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 112264448
Equivalent to 6 /8s, 177 /16s and 5 /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: 9369
Total AfriNIC prefixes after maximum aggregation: 2161
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 9805
Unique aggregates announced from the AfriNIC address blocks: 3392
AfriNIC Region origin ASes present in the Internet Routing Table: 554
AfriNIC Prefixes per ASN: 17.70
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 120
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 41008384
Equivalent to 2 /8s, 113 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 40.7
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
17974 2223 562 84 PT Telekomunikasi Indonesia
4766 2007 11111 775 Korea Telecom (KIX)
7545 1687 301 87 TPG Internet Pty Ltd
4755 1596 387 160 TATA Communications formerly
9829 1303 1085 28 National Internet Backbone
9583 1163 88 509 Sify Limited
7552 1044 1062 11 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 983 291 68 BHARTI Airtel Ltd.
4808 963 1942 288 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3394 985 156 Windstream Communications Inc
6389 3387 3773 187 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1938 681 132 PaeTec Communications, Inc.
22773 1677 2911 122 Cox Communications Inc.
20115 1649 1571 615 Charter Communications
4323 1571 1060 382 tw telecom holdings, inc.
30036 1388 270 777 Mediacom Communications Corp
7018 1262 10073 829 AT&T Services, Inc.
7011 1191 316 697 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1591 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 796 741 94 France Telecom Espana SA
34984 728 189 174 BILISIM TELEKOM
6830 708 2302 443 UPC Broadband
31148 705 37 9 FreeNet ISP
20940 659 216 526 Akamai Technologies European
13188 607 100 10 Ukraine
8551 602 364 61 Bezeq International
9116 511 326 31 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2010 348 210 Types of queries are: POCs, o
28573 1941 1221 55 Types of queries are: POCs, o
6503 1514 418 68 Axtel, S.A.B. de C.V.
7303 1457 934 196 Telecom Argentina S.A.
8151 1326 3025 341 Uninet S.A. de C.V.
6458 853 81 15 Telgua
27947 692 74 88 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 599 250 83 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 966 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 433 48 3 MOBITEL
24835 286 80 8 RAYA Telecom - Egypt
3741 261 905 222 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
29571 160 15 15 Ci Telecom Autonomous system
15706 159 32 6 Sudatel Internet Exchange Aut
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3394 985 156 Windstream Communications Inc
6389 3387 3773 187 BellSouth.net Inc.
17974 2223 562 84 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
10620 2010 348 210 Types of queries are: POCs, o
4766 2007 11111 775 Korea Telecom (KIX)
28573 1941 1221 55 Types of queries are: POCs, o
1785 1938 681 132 PaeTec Communications, Inc.
7545 1687 301 87 TPG Internet Pty Ltd
22773 1677 2911 122 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3387 3200 BellSouth.net Inc.
17974 2223 2139 PT Telekomunikasi Indonesia
18566 2089 1908 Covad Communications Co.
28573 1941 1886 Types of queries are: POCs, o
1785 1938 1806 PaeTec Communications, Inc.
10620 2010 1800 Types of queries are: POCs, o
7545 1687 1600 TPG Internet Pty Ltd
8402 1591 1575 Corbina telecom
22773 1677 1555 Cox Communications Inc.
6503 1514 1446 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/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 5.149.64.0/19 35567 DASTO semtel d.o.o.
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.149.192.0/21 23456 32-bit ASN transition
5.149.200.0/21 50477 Kostroma regional networks AS
5.149.224.0/20 20902 DegNet GmbH
5.150.128.0/20 5602 KPNQwest Italia S.p.a
5.150.192.0/18 8473 Bahnhof Autonomous System
5.151.0.0/16 42689 RIPE Network Coordination Cen
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
Complete listing at http://thyme.rand.apnic.net/london/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 /8:20 /9:12 /10:29 /11:82 /12:236
/13:468 /14:842 /15:1512 /16:12246 /17:6367 /18:10646
/19:20743 /20:29622 /21:31243 /22:40585 /23:38958 /24:216010
/25:11 /26:22 /27:19 /28:148 /29:150 /30:83
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2761 3394 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1866 3387 BellSouth.net Inc.
30036 1323 1388 Mediacom Communications Corp
8402 1286 1591 Corbina telecom
11492 1154 1191 CABLE ONE, INC.
22773 1104 1677 Cox Communications Inc.
6503 1047 1514 Axtel, S.A.B. de C.V.
1785 1045 1938 PaeTec Communications, Inc.
7011 930 1191 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:530 2:720 3:1 4:13 5:141 6:3
8:435 12:1977 13:1 14:627 15:11 16:3
17:5 20:24 23:193 24:1791 27:1328 31:1028
32:51 33:2 34:2 36:7 37:645 38:817
39:1 40:128 41:2829 42:142 44:3 46:1526
47:2 49:431 50:551 52:13 54:14 55:8
56:1 57:38 58:921 59:526 60:241 61:1233
62:922 63:2029 64:4239 65:2241 66:4483 67:2013
68:1157 69:3195 70:985 71:514 72:1871 74:2612
75:489 76:332 77:926 78:922 79:492 80:1211
81:947 82:636 83:536 84:506 85:1133 86:430
87:927 88:345 89:1664 90:301 91:5029 92:579
93:1300 94:1560 95:1214 96:396 97:323 98:885
99:36 100:22 101:253 103:1259 105:414 106:115
107:189 108:360 109:1455 110:776 111:935 112:421
113:634 114:649 115:898 116:889 117:717 118:900
119:1172 120:346 121:786 122:1629 123:1165 124:1310
125:1259 128:522 129:180 130:256 131:631 132:294
133:22 134:236 135:61 136:214 137:238 138:327
139:175 140:470 141:252 142:413 143:367 144:473
145:77 146:508 147:292 148:746 149:319 150:144
151:185 152:473 153:176 154:16 155:423 156:222
157:337 158:190 159:550 160:340 161:251 162:377
163:181 164:664 165:409 166:588 167:533 168:909
169:126 170:898 171:146 172:5 173:1734 174:611
175:428 176:560 177:950 178:1618 180:1305 181:112
182:971 183:231 184:551 186:1999 187:1074 188:1371
189:1569 190:6100 192:5970 193:5545 194:4480 195:3227
196:1205 197:174 198:3643 199:4871 200:5792 201:1960
202:8430 203:8563 204:4320 205:2526 206:2709 207:2765
208:4035 209:3609 210:2716 211:1542 212:1963 213:1819
214:873 215:81 216:5064 217:1556 218:543 219:320
220:1226 221:551 222:300 223:336
End of report
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