Routing Table Report 08:00 +10GMT Thu 12 Apr, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 398637
Prefixes after maximum aggregation: 170120
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 196449
Total ASes present in the Internet Routing Table: 38322
Prefixes per ASN: 10.40
Origin-only ASes present in the Internet Routing Table: 33036
Origin ASes announcing only one prefix: 15477
Transit ASes present in the Internet Routing Table: 5286
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1511
Unregistered ASNs in the Routing Table: 407
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 5399
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 1529
Number of addresses announced to Internet: 2552773888
Equivalent to 152 /8s, 40 /16s and 61 /24s
Percentage of available address space announced: 68.9
Percentage of allocated address space announced: 68.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 167905
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 93759
Total APNIC prefixes after maximum aggregation: 30811
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 91208
Unique aggregates announced from the APNIC address blocks: 39475
APNIC Region origin ASes present in the Internet Routing Table: 4633
APNIC Prefixes per ASN: 19.69
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 704
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 643022848
Equivalent to 38 /8s, 83 /16s and 192 /24s
Percentage of available APNIC address space announced: 81.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 148224
Total ARIN prefixes after maximum aggregation: 75448
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119673
Unique aggregates announced from the ARIN address blocks: 49955
ARIN Region origin ASes present in the Internet Routing Table: 14890
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5668
ARIN Region transit ASes present in the Internet Routing Table: 1506
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 805728256
Equivalent to 48 /8s, 6 /16s and 112 /24s
Percentage of available ARIN address space announced: 64.0
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, 173/8,
174/8, 184/8, 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: 101342
Total RIPE prefixes after maximum aggregation: 53346
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 92523
Unique aggregates announced from the RIPE address blocks: 57221
RIPE Region origin ASes present in the Internet Routing Table: 16345
RIPE Prefixes per ASN: 5.66
RIPE Region origin ASes announcing only one prefix: 7944
RIPE Region transit ASes present in the Internet Routing Table: 2593
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 502379264
Equivalent to 29 /8s, 241 /16s and 179 /24s
Percentage of available RIPE address space announced: 80.9
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 39839
Total LACNIC prefixes after maximum aggregation: 8093
LACNIC Deaggregation factor: 4.92
Prefixes being announced from the LACNIC address blocks: 39613
Unique aggregates announced from the LACNIC address blocks: 19812
LACNIC Region origin ASes present in the Internet Routing Table: 1566
LACNIC Prefixes per ASN: 25.30
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 98959872
Equivalent to 5 /8s, 230 /16s and 2 /24s
Percentage of available LACNIC address space announced: 65.5
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8935
Total AfriNIC prefixes after maximum aggregation: 2111
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 7010
Unique aggregates announced from the AfriNIC address blocks: 2149
AfriNIC Region origin ASes present in the Internet Routing Table: 523
AfriNIC Prefixes per ASN: 13.40
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 116
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: 31483136
Equivalent to 1 /8s, 224 /16s and 101 /24s
Percentage of available AfriNIC address space announced: 46.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1924 11110 696 Korea Telecom (KIX)
17974 1706 503 63 PT Telekomunikasi Indonesia
7545 1658 301 88 TPG Internet Pty Ltd
4755 1571 383 159 TATA Communications formerly
9583 1241 94 538 Sify Limited
9829 1231 1041 30 National Internet Backbone
7552 1107 1062 11 Vietel Corporation
24560 1021 385 167 Bharti Airtel Ltd., Telemedia
4808 989 1947 286 CNCGROUP IP network China169
18101 947 131 160 Reliance Infocom Ltd Internet
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 3432 3807 196 BellSouth.net Inc.
7029 3419 1016 169 Windstream Communications Inc
18566 2092 382 179 Covad Communications Co.
1785 1896 680 128 PaeTec Communications, Inc.
20115 1642 1565 619 Charter Communications
4323 1594 1059 380 tw telecom holdings, inc.
22773 1574 2910 111 Cox Communications Inc.
30036 1442 263 757 Mediacom Communications Corp
7018 1283 9807 833 AT&T Services, Inc.
11492 1185 216 365 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 1667 544 16 Corbina telecom
2118 1279 97 14 EUnet/RELCOM Autonomous Syste
34984 680 188 176 BILISIM TELEKOM
31148 679 37 9 FreeNet ISP
12479 649 657 60 France Telecom Espana SA
6830 640 1943 411 UPC Broadband
20940 627 203 494 Akamai Technologies European
9116 541 326 32 Goldenlines main autonomous s
3320 533 8442 399 Deutsche Telekom AG
8551 505 360 81 Bezeq International
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 1811 327 162 Types of queries are: POCs, o
28573 1773 1106 60 Types of queries are: POCs, o
6503 1522 418 66 Axtel, S.A.B. de C.V.
8151 1362 2999 341 Uninet S.A. de C.V.
7303 1353 827 189 Telecom Argentina S.A.
26615 903 697 32 Tim Celular S.A.
27947 663 74 99 Telconet S.A
11172 639 107 74 Alestra, S. de R.L. de C.V.
22047 584 326 15 Types of queries are: POCs, o
3816 574 242 100 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 1311 958 13 TEDATA
24863 843 274 32 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 265 921 223 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 179 80 8 RAYA Telecom - Egypt
15706 169 32 6 Sudatel Internet Exchange Aut
16637 163 666 86 MTN Network Solutions
29571 161 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 3432 3807 196 BellSouth.net Inc.
7029 3419 1016 169 Windstream Communications Inc
18566 2092 382 179 Covad Communications Co.
4766 1924 11110 696 Korea Telecom (KIX)
1785 1896 680 128 PaeTec Communications, Inc.
10620 1811 327 162 Types of queries are: POCs, o
28573 1773 1106 60 Types of queries are: POCs, o
17974 1706 503 63 PT Telekomunikasi Indonesia
8402 1667 544 16 Corbina telecom
7545 1658 301 88 TPG Internet Pty Ltd
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 3419 3250 Windstream Communications Inc
18566 2092 1913 Covad Communications Co.
1785 1896 1768 PaeTec Communications, Inc.
28573 1773 1713 Types of queries are: POCs, o
8402 1667 1651 Corbina telecom
10620 1811 1649 Types of queries are: POCs, o
17974 1706 1643 PT Telekomunikasi Indonesia
7545 1658 1570 TPG Internet Pty Ltd
22773 1574 1463 Cox Communications Inc.
6503 1522 1456 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
54601 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati
54603 UNALLOCATED 8.18.203.0/24 14743 Internap Network Ser
54439 UNALLOCATED 8.25.174.0/24 3356 Level 3 Communicatio
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
54475 UNALLOCATED 8.34.8.0/24 36295 Florida High Speed I
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.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
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
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
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting
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 /10:28 /11:81 /12:236
/13:460 /14:829 /15:1478 /16:12135 /17:6253 /18:10415
/19:20604 /20:28695 /21:29532 /22:39992 /23:37454 /24:209852
/25:11 /26:21 /27:20 /28:155 /29:143 /30:69
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3061 3419 Windstream Communications Inc
6389 2149 3432 BellSouth.net Inc.
18566 2041 2092 Covad Communications Co.
10620 1703 1811 Types of queries are: POCs, o
8402 1644 1667 Corbina telecom
30036 1382 1442 Mediacom Communications Corp
6503 1281 1522 Axtel, S.A.B. de C.V.
11492 1148 1185 CABLE ONE, INC.
8452 1119 1311 TEDATA
1785 1067 1896 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:527 2:694 4:14 6:3 8:398 12:1956
13:1 14:593 15:12 16:3 17:7 20:8
23:156 24:1764 27:1264 31:990 32:53 33:1
34:2 36:8 37:343 38:789 40:119 41:3117
42:131 44:3 46:1466 47:3 49:380 50:536
52:13 54:7 55:7 56:3 57:28 58:913
59:510 60:277 61:1163 62:979 63:1987 64:4135
65:2251 66:4485 67:2035 68:1150 69:3155 70:907
71:471 72:1816 74:2597 75:496 76:316 77:961
78:985 79:491 80:1203 81:900 82:654 83:540
84:478 85:1196 86:413 87:926 88:351 89:1633
90:297 91:4704 92:519 93:1389 94:1469 95:1135
96:355 97:319 98:897 99:34 100:7 101:164
103:952 106:104 107:184 108:204 109:1304 110:737
111:916 112:436 113:559 114:599 115:846 116:876
117:704 118:898 119:1180 120:341 121:786 122:1628
123:1102 124:1304 125:1252 128:509 129:185 130:250
131:595 132:165 133:21 134:234 135:62 136:210
137:174 138:354 139:146 140:466 141:243 142:370
143:393 144:517 145:69 146:483 147:274 148:743
149:299 150:151 151:176 152:462 153:172 154:6
155:445 156:213 157:335 158:175 159:450 160:341
161:235 162:347 163:180 164:567 165:393 166:570
167:464 168:807 169:125 170:846 171:127 172:4
173:1723 174:577 175:416 176:480 177:654 178:1322
180:1141 181:73 182:769 183:285 184:455 185:1
186:2181 187:1010 188:1187 189:1784 190:5472 192:5963
193:5523 194:4610 195:3571 196:1263 197:126 198:3577
199:4446 200:5708 201:1913 202:8256 203:8494 204:4268
205:2458 206:2655 207:2712 208:4042 209:3564 210:2680
211:1454 212:1972 213:1906 214:891 215:107 216:5061
217:1538 218:527 219:341 220:1221 221:538 222:294
223:316
End of report
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