* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 23 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 411260
Prefixes after maximum aggregation: 174018
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203547
Total ASes present in the Internet Routing Table: 38794
Prefixes per ASN: 10.60
Origin-only ASes present in the Internet Routing Table: 33417
Origin ASes announcing only one prefix: 15729
Transit ASes present in the Internet Routing Table: 5377
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1038
Unregistered ASNs in the Routing Table: 179
Number of 32-bit ASNs allocated by the RIRs: 3025
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6770
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2587119104
Equivalent to 154 /8s, 52 /16s and 78 /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: 141977
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96225
Total APNIC prefixes after maximum aggregation: 31210
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97271
Unique aggregates announced from the APNIC address blocks: 42121
APNIC Region origin ASes present in the Internet Routing Table: 4670
APNIC Prefixes per ASN: 20.83
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 727
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: 702272256
Equivalent to 41 /8s, 219 /16s and 211 /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: 151698
Total ARIN prefixes after maximum aggregation: 77070
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152704
Unique aggregates announced from the ARIN address blocks: 68605
ARIN Region origin ASes present in the Internet Routing Table: 15143
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5763
ARIN Region transit ASes present in the Internet Routing Table: 1519
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: 1071661824
Equivalent to 63 /8s, 224 /16s and 67 /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: 104393
Total RIPE prefixes after maximum aggregation: 55272
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106551
Unique aggregates announced from the RIPE address blocks: 67474
RIPE Region origin ASes present in the Internet Routing Table: 16681
RIPE Prefixes per ASN: 6.39
RIPE Region origin ASes announcing only one prefix: 8095
RIPE Region transit ASes present in the Internet Routing Table: 2651
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 637133568
Equivalent to 37 /8s, 249 /16s and 227 /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: 41990
Total LACNIC prefixes after maximum aggregation: 8246
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 44665
Unique aggregates announced from the LACNIC address blocks: 21791
LACNIC Region origin ASes present in the Internet Routing Table: 1598
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 427
LACNIC Region transit ASes present in the Internet Routing Table: 301
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: 112176640
Equivalent to 6 /8s, 175 /16s and 174 /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: 9462
Total AfriNIC prefixes after maximum aggregation: 2166
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 9902
Unique aggregates announced from the AfriNIC address blocks: 3413
AfriNIC Region origin ASes present in the Internet Routing Table: 552
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 3.4
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: 41297152
Equivalent to 2 /8s, 118 /16s and 37 /24s
Percentage of available AfriNIC address space announced: 41.0
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 2235 563 84 PT Telekomunikasi Indonesia
4766 2020 11112 781 Korea Telecom (KIX)
7545 1688 301 88 TPG Internet Pty Ltd
4755 1598 387 161 TATA Communications formerly
9829 1305 1085 26 National Internet Backbone
9583 1162 88 509 Sify Limited
7552 1079 1062 11 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 989 294 73 BHARTI Airtel Ltd.
4808 964 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 3413 985 156 Windstream Communications Inc
6389 3386 3773 187 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1938 681 132 PaeTec Communications, Inc.
22773 1679 2911 122 Cox Communications Inc.
20115 1649 1571 615 Charter Communications
4323 1572 1044 382 tw telecom holdings, inc.
30036 1391 270 780 Mediacom Communications Corp
7018 1261 10073 830 AT&T Services, Inc.
11492 1192 217 350 CABLE ONE, INC.
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 1563 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 799 743 92 France Telecom Espana SA
34984 730 189 174 BILISIM TELEKOM
6830 712 2302 446 UPC Broadband
31148 705 37 9 FreeNet ISP
20940 674 223 540 Akamai Technologies European
13188 636 100 10 Ukraine
8551 601 364 61 Bezeq International
9116 539 326 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 2011 348 208 Types of queries are: POCs, o
28573 2011 1221 55 Types of queries are: POCs, o
6503 1513 419 67 Axtel, S.A.B. de C.V.
7303 1458 934 196 Telecom Argentina S.A.
8151 1329 3027 340 Uninet S.A. de C.V.
6458 858 81 15 Telgua
27947 694 74 89 Telconet S.A
11172 644 107 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 1013 958 13 TEDATA
24863 861 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
3741 262 905 223 The Internet Solution
24835 256 80 8 RAYA Telecom - Egypt
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 3413 985 156 Windstream Communications Inc
6389 3386 3773 187 BellSouth.net Inc.
17974 2235 563 84 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
4766 2020 11112 781 Korea Telecom (KIX)
10620 2011 348 208 Types of queries are: POCs, o
28573 2011 1221 55 Types of queries are: POCs, o
1785 1938 681 132 PaeTec Communications, Inc.
7545 1688 301 88 TPG Internet Pty Ltd
22773 1679 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 3386 3199 BellSouth.net Inc.
17974 2235 2151 PT Telekomunikasi Indonesia
28573 2011 1956 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1938 1806 PaeTec Communications, Inc.
10620 2011 1803 Types of queries are: POCs, o
7545 1688 1600 TPG Internet Pty Ltd
22773 1679 1557 Cox Communications Inc.
8402 1563 1547 Corbina telecom
6503 1513 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
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
41.222.80.0/21 37110 Moztel LDA
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
/13:471 /14:841 /15:1519 /16:12250 /17:6371 /18:10663
/19:20792 /20:29725 /21:31276 /22:40788 /23:39095 /24:216524
/25:11 /26:22 /27:19 /28:148 /29:148 /30:81
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2772 3413 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1865 3386 BellSouth.net Inc.
30036 1326 1391 Mediacom Communications Corp
8402 1263 1563 Corbina telecom
11492 1155 1192 CABLE ONE, INC.
22773 1106 1679 Cox Communications Inc.
6503 1047 1513 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)
----------------------------------------------
1:529 2:712 3:1 4:13 5:186 6:3
8:435 12:1977 13:1 14:629 15:11 16:3
17:6 20:24 23:196 24:1793 27:1328 31:1036
32:51 33:2 34:2 36:8 37:659 38:818
39:1 40:134 41:2890 42:158 44:3 46:1525
47:2 49:432 50:555 52:13 54:14 55:7
56:1 57:38 58:922 59:526 60:240 61:1236
62:925 63:2026 64:4248 65:2239 66:4488 67:2015
68:1156 69:3206 70:987 71:514 72:1866 74:2603
75:490 76:334 77:930 78:915 79:491 80:1234
81:950 82:632 83:542 84:502 85:1148 86:430
87:926 88:346 89:1672 90:301 91:5049 92:580
93:1302 94:1560 95:1213 96:401 97:321 98:876
99:36 100:22 101:253 103:1262 105:464 106:115
107:189 108:373 109:1459 110:772 111:936 112:421
113:635 114:651 115:902 116:884 117:716 118:904
119:1167 120:348 121:786 122:1629 123:1159 124:1310
125:1260 128:518 129:179 130:256 131:628 132:293
133:22 134:237 135:61 136:212 137:238 138:334
139:174 140:468 141:252 142:415 143:363 144:486
145:77 146:464 147:281 148:753 149:318 150:144
151:186 152:471 153:176 154:18 155:397 156:222
157:337 158:190 159:550 160:338 161:249 162:379
163:181 164:664 165:409 166:588 167:533 168:909
169:126 170:899 171:150 172:5 173:1735 174:614
175:426 176:564 177:975 178:1636 180:1307 181:112
182:968 183:231 184:554 186:2024 187:1085 188:1372
189:1575 190:6144 192:5983 193:5547 194:4485 195:3215
196:1206 197:181 198:3646 199:4895 200:5886 201:1963
202:8429 203:8560 204:4325 205:2529 206:2698 207:2773
208:4042 209:3613 210:2713 211:1544 212:1986 213:1792
214:865 215:83 216:5065 217:1557 218:547 219:320
220:1225 221:552 222:300 223:336
End of report
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