* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 18 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 409772
Prefixes after maximum aggregation: 173778
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203394
Total ASes present in the Internet Routing Table: 38763
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 33382
Origin ASes announcing only one prefix: 15727
Transit ASes present in the Internet Routing Table: 5381
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: 29
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1035
Unregistered ASNs in the Routing Table: 175
Number of 32-bit ASNs allocated by the RIRs: 2996
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6778
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 175
Number of addresses announced to Internet: 2586095104
Equivalent to 154 /8s, 36 /16s and 174 /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: 141009
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95960
Total APNIC prefixes after maximum aggregation: 31215
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 97014
Unique aggregates announced from the APNIC address blocks: 42053
APNIC Region origin ASes present in the Internet Routing Table: 4669
APNIC Prefixes per ASN: 20.78
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 722
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: 702042880
Equivalent to 41 /8s, 216 /16s and 83 /24s
Percentage of available APNIC address space announced: 82.0
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: 151532
Total ARIN prefixes after maximum aggregation: 76972
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152534
Unique aggregates announced from the ARIN address blocks: 68603
ARIN Region origin ASes present in the Internet Routing Table: 15130
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: 1526
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: 1071389952
Equivalent to 63 /8s, 220 /16s and 29 /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: 103905
Total RIPE prefixes after maximum aggregation: 55156
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106061
Unique aggregates announced from the RIPE address blocks: 67371
RIPE Region origin ASes present in the Internet Routing Table: 16660
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8087
RIPE Region transit ASes present in the Internet Routing Table: 2653
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 636627200
Equivalent to 37 /8s, 242 /16s and 41 /24s
Percentage of available RIPE address space announced: 92.6
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: 41828
Total LACNIC prefixes after maximum aggregation: 8245
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44515
Unique aggregates announced from the LACNIC address blocks: 21886
LACNIC Region origin ASes present in the Internet Routing Table: 1598
LACNIC Prefixes per ASN: 27.86
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 112368384
Equivalent to 6 /8s, 178 /16s and 155 /24s
Percentage of available LACNIC address space announced: 67.0
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: 9044
Total AfriNIC prefixes after maximum aggregation: 2137
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 9472
Unique aggregates announced from the AfriNIC address blocks: 3331
AfriNIC Region origin ASes present in the Internet Routing Table: 558
AfriNIC Prefixes per ASN: 16.97
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 3.3
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: 41013504
Equivalent to 2 /8s, 113 /16s and 209 /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 2217 559 80 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 1079 1062 11 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 981 291 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 3395 985 156 Windstream Communications Inc
6389 3388 3773 187 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1938 681 132 PaeTec Communications, Inc.
22773 1673 2911 122 Cox Communications Inc.
20115 1648 1571 614 Charter Communications
4323 1570 1060 382 tw telecom holdings, inc.
30036 1438 285 778 Mediacom Communications Corp
7018 1263 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 1566 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 712 2302 446 UPC Broadband
31148 705 37 9 FreeNet ISP
20940 668 219 529 Akamai Technologies European
8551 602 364 61 Bezeq International
13188 543 100 10 Ukraine
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
28573 2012 1220 58 Types of queries are: POCs, o
10620 2001 346 209 Types of queries are: POCs, o
6503 1512 418 66 Axtel, S.A.B. de C.V.
7303 1454 934 194 Telecom Argentina S.A.
8151 1328 3025 340 Uninet S.A. de C.V.
6458 853 81 15 Telgua
27947 691 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 1044 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 905 223 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
16637 157 664 87 MTN Network Solutions
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 3395 985 156 Windstream Communications Inc
6389 3388 3773 187 BellSouth.net Inc.
17974 2217 559 80 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
28573 2012 1220 58 Types of queries are: POCs, o
4766 2007 11111 775 Korea Telecom (KIX)
10620 2001 346 209 Types of queries are: POCs, o
1785 1938 681 132 PaeTec Communications, Inc.
7545 1687 301 87 TPG Internet Pty Ltd
22773 1673 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 3388 3201 BellSouth.net Inc.
17974 2217 2137 PT Telekomunikasi Indonesia
28573 2012 1954 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1938 1806 PaeTec Communications, Inc.
10620 2001 1792 Types of queries are: POCs, o
7545 1687 1600 TPG Internet Pty Ltd
22773 1673 1551 Cox Communications Inc.
8402 1566 1550 Corbina telecom
6503 1512 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
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.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
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
5.149.112.0/21 23456 32-bit ASN transition
5.149.120.0/21 28907 Internet Consulting Group
5.149.136.0/21 49964 VERIXI
5.149.200.0/21 50477 Kostroma regional networks AS
5.150.128.0/20 5602 KPNQwest Italia S.p.a
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
/13:469 /14:842 /15:1515 /16:12240 /17:6363 /18:10623
/19:20729 /20:29609 /21:31212 /22:40677 /23:38960 /24:215583
/25:11 /26:22 /27:19 /28:150 /29:152 /30:83
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2762 3395 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1867 3388 BellSouth.net Inc.
30036 1371 1438 Mediacom Communications Corp
8402 1262 1566 Corbina telecom
11492 1154 1191 CABLE ONE, INC.
22773 1100 1673 Cox Communications Inc.
6503 1047 1512 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)
----------------------------------------------
1:532 2:718 3:1 4:13 5:133 6:3
8:436 12:1977 13:1 14:625 15:12 16:3
17:5 20:24 23:192 24:1791 27:1321 31:990
32:51 33:2 34:2 36:8 37:642 38:822
39:1 40:128 41:2882 42:142 44:3 46:1523
47:2 49:430 50:551 52:13 54:14 55:6
56:1 57:40 58:922 59:526 60:241 61:1233
62:927 63:2031 64:4232 65:2240 66:4487 67:2010
68:1158 69:3195 70:985 71:513 72:1874 74:2609
75:488 76:327 77:929 78:950 79:492 80:1224
81:952 82:634 83:535 84:506 85:1141 86:430
87:933 88:344 89:1663 90:301 91:5031 92:583
93:1301 94:1559 95:1208 96:393 97:322 98:892
99:36 100:21 101:253 103:1237 106:115 107:189
108:359 109:1462 110:775 111:933 112:420 113:626
114:649 115:897 116:884 117:715 118:901 119:1169
120:348 121:786 122:1628 123:1158 124:1310 125:1257
128:521 129:180 130:254 131:631 132:294 133:22
134:236 135:61 136:214 137:238 138:333 139:174
140:470 141:251 142:411 143:369 144:474 145:77
146:507 147:283 148:745 149:316 150:144 151:185
152:474 153:176 154:16 155:450 156:222 157:337
158:190 159:547 160:341 161:251 162:376 163:181
164:654 165:409 166:587 167:533 168:911 169:126
170:898 171:147 172:5 173:1733 174:607 175:428
176:559 177:957 178:1594 180:1308 181:108 182:938
183:231 184:550 186:2007 187:1082 188:1369 189:1578
190:6098 192:5978 193:5545 194:4478 195:3212 196:1207
197:172 198:3640 199:4879 200:5851 201:1966 202:8417
203:8554 204:4315 205:2520 206:2712 207:2763 208:4029
209:3615 210:2715 211:1540 212:1956 213:1813 214:870
215:84 216:5066 217:1554 218:543 219:319 220:1226
221:551 222:300 223:336
End of report
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