Routing Table Report 08:00 +10GMT Fri 09 Mar, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 392876
Prefixes after maximum aggregation: 168654
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 194594
Total ASes present in the Internet Routing Table: 38060
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 32791
Origin ASes announcing only one prefix: 15506
Transit ASes present in the Internet Routing Table: 5269
Transit-only ASes present in the Internet Routing Table: 135
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: 1269
Unregistered ASNs in the Routing Table: 257
Number of 32-bit ASNs allocated by the RIRs: 2312
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4929
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 554
Number of addresses announced to Internet: 2542525184
Equivalent to 151 /8s, 139 /16s and 219 /24s
Percentage of available address space announced: 68.6
Percentage of allocated address space announced: 68.6
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: 165261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 92864
Total APNIC prefixes after maximum aggregation: 30585
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 90264
Unique aggregates announced from the APNIC address blocks: 39463
APNIC Region origin ASes present in the Internet Routing Table: 4619
APNIC Prefixes per ASN: 19.54
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 707
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 640680448
Equivalent to 38 /8s, 48 /16s and 2 /24s
Percentage of available APNIC address space announced: 81.3
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: 147678
Total ARIN prefixes after maximum aggregation: 75176
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119449
Unique aggregates announced from the ARIN address blocks: 49798
ARIN Region origin ASes present in the Internet Routing Table: 14864
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5664
ARIN Region transit ASes present in the Internet Routing Table: 1517
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: 806515968
Equivalent to 48 /8s, 18 /16s and 117 /24s
Percentage of available ARIN address space announced: 64.1
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: 99633
Total RIPE prefixes after maximum aggregation: 52709
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91293
Unique aggregates announced from the RIPE address blocks: 56878
RIPE Region origin ASes present in the Internet Routing Table: 16282
RIPE Prefixes per ASN: 5.61
RIPE Region origin ASes announcing only one prefix: 7983
RIPE Region transit ASes present in the Internet Routing Table: 2569
Average RIPE Region AS path length visible: 3.6
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: 500979712
Equivalent to 29 /8s, 220 /16s and 88 /24s
Percentage of available RIPE address space announced: 80.7
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: 38170
Total LACNIC prefixes after maximum aggregation: 7971
LACNIC Deaggregation factor: 4.79
Prefixes being announced from the LACNIC address blocks: 38054
Unique aggregates announced from the LACNIC address blocks: 19700
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 24.38
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 278
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: 98078464
Equivalent to 5 /8s, 216 /16s and 143 /24s
Percentage of available LACNIC address space announced: 65.0
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8726
Total AfriNIC prefixes after maximum aggregation: 2093
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 6836
Unique aggregates announced from the AfriNIC address blocks: 2159
AfriNIC Region origin ASes present in the Internet Routing Table: 516
AfriNIC Prefixes per ASN: 13.25
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 114
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: 31560704
Equivalent to 1 /8s, 225 /16s and 148 /24s
Percentage of available AfriNIC address space announced: 47.0
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 1932 11106 682 Korea Telecom (KIX)
17974 1652 503 36 PT Telekomunikasi Indonesia
7545 1644 303 88 TPG Internet Pty Ltd
4755 1553 386 160 TATA Communications formerly
9583 1200 91 509 Sify Limited
9829 1188 1001 30 National Internet Backbone
7552 1101 1062 11 Vietel Corporation
24560 1003 383 166 Bharti Airtel Ltd., Telemedia
4808 978 1946 280 CNCGROUP IP network China169
18101 951 131 156 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
7029 3450 1040 172 Windstream Communications Inc
6389 3405 3807 199 BellSouth.net Inc.
18566 2091 382 177 Covad Communications Co.
1785 1883 680 127 PaeTec Communications, Inc.
20115 1633 1555 633 Charter Communications
4323 1603 1075 382 tw telecom holdings, inc.
22773 1544 2910 111 Cox Communications Inc.
30036 1417 258 756 Mediacom Communications Corp
19262 1388 4703 398 Verizon Online LLC
7018 1287 9809 848 AT&T Services, 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 1625 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1087 2184 60 NEUF CEGETEL (formerly LDCOM
34984 657 188 170 BILISIM TELEKOM
6830 640 1927 411 UPC Broadband
12479 640 648 54 France Telecom Espana SA
20940 630 205 489 Akamai Technologies European
9116 541 326 32 Goldenlines main autonomous s
31148 540 37 9 FreeNet ISP
3320 523 8439 395 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 1761 326 160 Types of queries are: POCs, o
28573 1663 1092 57 Types of queries are: POCs, o
8151 1342 2994 338 Uninet S.A. de C.V.
7303 1328 822 186 Telecom Argentina S.A.
26615 890 672 33 Tim Celular S.A.
27947 655 68 110 Telconet S.A
11172 636 107 73 Alestra, S. de R.L. de C.V.
22047 582 322 17 Types of queries are: POCs, o
6503 562 418 67 Axtel, S.A.B. de C.V.
3816 561 240 89 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 1252 958 13 TEDATA
24863 831 274 34 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 182 80 8 RAYA Telecom - Egypt
33776 161 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
29571 153 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
7029 3450 1040 172 Windstream Communications Inc
6389 3405 3807 199 BellSouth.net Inc.
18566 2091 382 177 Covad Communications Co.
4766 1932 11106 682 Korea Telecom (KIX)
1785 1883 680 127 PaeTec Communications, Inc.
10620 1761 326 160 Types of queries are: POCs, o
28573 1663 1092 57 Types of queries are: POCs, o
17974 1652 503 36 PT Telekomunikasi Indonesia
7545 1644 303 88 TPG Internet Pty Ltd
20115 1633 1555 633 Charter Communications
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 3405 3206 BellSouth.net Inc.
18566 2091 1914 Covad Communications Co.
1785 1883 1756 PaeTec Communications, Inc.
17974 1652 1616 PT Telekomunikasi Indonesia
8402 1625 1609 Corbina telecom
28573 1663 1606 Types of queries are: POCs, o
10620 1761 1601 Types of queries are: POCs, o
7545 1644 1556 TPG Internet Pty Ltd
22773 1544 1433 Cox Communications Inc.
2118 1421 1408 EUnet/RELCOM Autonomous Syste
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.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
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
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
23.27.0.0/16 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
/13:458 /14:815 /15:1474 /16:12121 /17:6202 /18:10340
/19:20454 /20:28377 /21:28944 /22:39350 /23:36759 /24:206651
/25:11 /26:21 /27:20 /28:154 /29:139 /30:67
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3088 3450 Windstream Communications Inc
6389 2102 3405 BellSouth.net Inc.
18566 2040 2091 Covad Communications Co.
10620 1658 1761 Types of queries are: POCs, o
8402 1603 1625 Corbina telecom
30036 1366 1417 Mediacom Communications Corp
11492 1117 1154 CABLE ONE, INC.
1785 1064 1883 PaeTec Communications, Inc.
8452 1062 1252 TEDATA
7011 1042 1157 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:521 2:618 4:14 6:3 8:392 12:1959
13:1 14:600 15:12 16:3 17:7 20:8
23:142 24:1743 27:1225 31:975 32:57 33:2
34:2 36:9 37:235 38:773 40:117 41:2996
42:121 44:3 46:1386 47:3 49:337 50:512
52:13 54:5 55:11 56:3 57:36 58:908
59:486 60:280 61:1086 62:975 63:2006 64:4112
65:2272 66:4452 67:2029 68:1157 69:3163 70:917
71:423 72:1830 74:2635 75:469 76:320 77:959
78:933 79:476 80:1187 81:873 82:631 83:537
84:588 85:1149 86:718 87:900 88:334 89:1554
90:285 91:4533 92:514 93:1382 94:1355 95:1103
96:418 97:316 98:830 99:38 100:5 101:143
103:868 106:63 107:172 108:209 109:1517 110:727
111:861 112:426 113:533 114:607 115:765 116:858
117:704 118:905 119:1247 120:371 121:663 122:1580
123:1077 124:1298 125:1335 128:495 129:183 130:254
131:586 132:158 133:21 134:226 135:62 136:210
137:182 138:275 139:144 140:464 141:265 142:372
143:404 144:502 145:69 146:485 147:243 148:703
149:299 150:155 151:198 152:446 153:171 154:6
155:445 156:210 157:338 158:160 159:445 160:322
161:227 162:339 163:176 164:527 165:395 166:564
167:463 168:804 169:147 170:846 171:118 172:4
173:1708 174:602 175:421 176:542 177:535 178:1273
180:1183 181:67 182:755 183:282 184:442 185:1
186:2092 187:825 188:1031 189:1207 190:5470 192:5952
193:5572 194:4359 195:3395 196:1262 197:168 198:3593
199:4396 200:5619 201:1764 202:8140 203:8601 204:4281
205:2434 206:2662 207:2730 208:4039 209:3549 210:2685
211:1451 212:1953 213:1879 214:860 215:99 216:5016
217:1494 218:534 219:329 220:1225 221:548 222:296
223:311
End of report
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