Routing Table Report 08:00 +10GMT Fri 22 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407534
Prefixes after maximum aggregation: 173044
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202166
Total ASes present in the Internet Routing Table: 38665
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33349
Origin ASes announcing only one prefix: 15690
Transit ASes present in the Internet Routing Table: 5316
Transit-only ASes present in the Internet Routing Table: 118
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: 1191
Unregistered ASNs in the Routing Table: 233
Number of 32-bit ASNs allocated by the RIRs: 2873
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6357
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 340
Number of addresses announced to Internet: 2587521280
Equivalent to 154 /8s, 58 /16s and 113 /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: 140581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95119
Total APNIC prefixes after maximum aggregation: 31147
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96139
Unique aggregates announced from the APNIC address blocks: 41914
APNIC Region origin ASes present in the Internet Routing Table: 4665
APNIC Prefixes per ASN: 20.61
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 718
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: 701176064
Equivalent to 41 /8s, 203 /16s and 25 /24s
Percentage of available APNIC address space announced: 81.9
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: 150650
Total ARIN prefixes after maximum aggregation: 76664
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 151557
Unique aggregates announced from the ARIN address blocks: 68076
ARIN Region origin ASes present in the Internet Routing Table: 15096
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5742
ARIN Region transit ASes present in the Internet Routing Table: 1514
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: 1080396800
Equivalent to 64 /8s, 101 /16s and 140 /24s
Percentage of available ARIN address space announced: 57.2
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: 103690
Total RIPE prefixes after maximum aggregation: 54803
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105699
Unique aggregates announced from the RIPE address blocks: 66659
RIPE Region origin ASes present in the Internet Routing Table: 16617
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8073
RIPE Region transit ASes present in the Internet Routing Table: 2601
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 631471616
Equivalent to 37 /8s, 163 /16s and 126 /24s
Percentage of available RIPE address space announced: 91.8
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: 41566
Total LACNIC prefixes after maximum aggregation: 8194
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44031
Unique aggregates announced from the LACNIC address blocks: 21905
LACNIC Region origin ASes present in the Internet Routing Table: 1589
LACNIC Prefixes per ASN: 27.71
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 298
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: 110949376
Equivalent to 6 /8s, 156 /16s and 244 /24s
Percentage of available LACNIC address space announced: 66.1
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: 9323
Total AfriNIC prefixes after maximum aggregation: 2174
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 9767
Unique aggregates announced from the AfriNIC address blocks: 3300
AfriNIC Region origin ASes present in the Internet Routing Table: 545
AfriNIC Prefixes per ASN: 17.92
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 40496640
Equivalent to 2 /8s, 105 /16s and 238 /24s
Percentage of available AfriNIC address space announced: 40.2
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 1998 11107 758 Korea Telecom (KIX)
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1684 301 85 TPG Internet Pty Ltd
4755 1569 384 152 TATA Communications formerly
9829 1300 1085 28 National Internet Backbone
9583 1175 89 513 Sify Limited
7552 1053 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 966 291 63 BHARTI Airtel Ltd.
4808 955 1944 284 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
6389 3402 3791 192 BellSouth.net Inc.
7029 3338 1016 169 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1924 681 132 PaeTec Communications, Inc.
22773 1649 2911 121 Cox Communications Inc.
20115 1645 1570 613 Charter Communications
4323 1567 1059 384 tw telecom holdings, inc.
30036 1453 270 739 Mediacom Communications Corp
7018 1230 10046 828 AT&T Services, Inc.
11492 1189 216 356 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 1652 544 16 Corbina telecom
2118 1239 97 14 EUnet/RELCOM Autonomous Syste
12479 753 721 93 France Telecom Espana SA
34984 710 188 173 BILISIM TELEKOM
31148 686 37 9 FreeNet ISP
6830 684 2234 436 UPC Broadband
20940 651 214 518 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
8551 502 364 61 Bezeq International
3320 490 8442 403 Deutsche Telekom AG
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 1966 342 205 Types of queries are: POCs, o
28573 1933 1211 54 Types of queries are: POCs, o
6503 1522 418 67 Axtel, S.A.B. de C.V.
7303 1440 901 195 Telecom Argentina S.A.
8151 1345 3049 331 Uninet S.A. de C.V.
26615 903 728 33 Tim Celular S.A.
27947 682 74 87 Telconet S.A
11172 648 107 75 Alestra, S. de R.L. de C.V.
3816 587 245 92 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 1274 958 13 TEDATA
24863 857 274 32 LINKdotNET AS number
6713 497 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
16637 160 664 88 MTN Network Solutions
29571 157 15 16 Ci Telecom Autonomous system
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
6389 3402 3791 192 BellSouth.net Inc.
7029 3338 1016 169 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1998 11107 758 Korea Telecom (KIX)
10620 1966 342 205 Types of queries are: POCs, o
28573 1933 1211 54 Types of queries are: POCs, o
1785 1924 681 132 PaeTec Communications, Inc.
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1684 301 85 TPG Internet Pty Ltd
8402 1652 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3338 3169 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
28573 1933 1879 Types of queries are: POCs, o
1785 1924 1792 PaeTec Communications, Inc.
17974 1853 1771 PT Telekomunikasi Indonesia
10620 1966 1761 Types of queries are: POCs, o
8402 1652 1636 Corbina telecom
7545 1684 1599 TPG Internet Pty Ltd
22773 1649 1528 Cox Communications Inc.
6503 1522 1455 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
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
13317 UNALLOCATED 12.44.10.0/24 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
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
5.96.0.0/15 3269 Telecom Italia S.p.a.
5.98.0.0/15 3269 Telecom 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
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/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 /9:13 /10:29 /11:83 /12:236
/13:460 /14:831 /15:1501 /16:12218 /17:6320 /18:10604
/19:20661 /20:29408 /21:30914 /22:40377 /23:38395 /24:214894
/25:11 /26:20 /27:19 /28:150 /29:148 /30:80
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2678 3338 Windstream Communications Inc
18566 2040 2091 Covad Communications Co.
6389 1875 3402 BellSouth.net Inc.
30036 1392 1453 Mediacom Communications Corp
8402 1351 1652 Corbina telecom
11492 1152 1189 CABLE ONE, INC.
22773 1081 1649 Cox Communications Inc.
6503 1058 1522 Axtel, S.A.B. de C.V.
8452 1039 1274 TEDATA
1785 1035 1924 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:562 2:699 3:1 4:13 5:62 6:3
8:427 12:1980 13:1 14:615 15:12 16:3
17:5 20:24 23:184 24:1778 27:1309 31:1007
32:51 33:2 34:2 36:9 37:578 38:809
39:1 40:125 41:3145 42:140 44:3 46:1431
47:2 49:415 50:561 52:13 54:12 55:8
56:1 57:39 58:925 59:494 60:253 61:1122
62:995 63:2035 64:4241 65:2252 66:4453 67:2025
68:1153 69:3189 70:981 71:509 72:1830 74:2593
75:478 76:329 77:941 78:965 79:493 80:1215
81:945 82:663 83:527 84:499 85:1176 86:427
87:939 88:331 89:1721 90:298 91:4955 92:572
93:1400 94:1595 95:1218 96:364 97:316 98:878
99:35 100:17 101:240 103:1174 106:103 107:186
108:320 109:1382 110:769 111:921 112:410 113:609
114:635 115:811 116:923 117:711 118:906 119:1200
120:340 121:676 122:1639 123:1094 124:1333 125:1241
128:526 129:192 130:249 131:630 132:277 133:22
134:233 135:61 136:214 137:235 138:331 139:189
140:468 141:253 142:402 143:364 144:529 145:74
146:506 147:288 148:751 149:312 150:147 151:183
152:471 153:174 154:16 155:447 156:222 157:335
158:186 159:541 160:341 161:244 162:351 163:181
164:635 165:409 166:588 167:474 168:908 169:126
170:886 171:137 172:4 173:1787 174:608 175:425
176:547 177:823 178:1511 180:1243 181:98 182:998
183:229 184:516 185:1 186:2362 187:1124 188:1349
189:1835 190:5604 192:5960 193:5540 194:4541 195:3405
196:1224 197:148 198:3618 199:4746 200:5806 201:1964
202:8385 203:8468 204:4264 205:2511 206:2720 207:2721
208:4035 209:3591 210:2723 211:1529 212:2035 213:1923
214:865 215:86 216:5077 217:1572 218:540 219:305
220:1237 221:555 222:285 223:341
End of report