* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 25 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 437120
Prefixes after maximum aggregation: 180450
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217883
Total ASes present in the Internet Routing Table: 39803
Prefixes per ASN: 10.98
Origin-only ASes present in the Internet Routing Table: 34210
Origin ASes announcing only one prefix: 15964
Transit ASes present in the Internet Routing Table: 5593
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: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 965
Unregistered ASNs in the Routing Table: 173
Number of 32-bit ASNs allocated by the RIRs: 3781
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9346
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2638417664
Equivalent to 157 /8s, 67 /16s and 15 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 152956
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101070
Total APNIC prefixes after maximum aggregation: 31669
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 102712
Unique aggregates announced from the APNIC address blocks: 43868
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.55
APNIC Region origin ASes announcing only one prefix: 1256
APNIC Region transit ASes present in the Internet Routing Table: 775
Average APNIC Region AS path length visible: 3.9
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: 717511168
Equivalent to 42 /8s, 196 /16s and 90 /24s
Percentage of available APNIC address space announced: 83.9
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: 154585
Total ARIN prefixes after maximum aggregation: 78413
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155285
Unique aggregates announced from the ARIN address blocks: 71180
ARIN Region origin ASes present in the Internet Routing Table: 15404
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5837
ARIN Region transit ASes present in the Internet Routing Table: 1545
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: 1076324096
Equivalent to 64 /8s, 39 /16s and 103 /24s
Percentage of available ARIN address space announced: 56.9
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: 114186
Total RIPE prefixes after maximum aggregation: 58857
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117414
Unique aggregates announced from the RIPE address blocks: 75322
RIPE Region origin ASes present in the Internet Routing Table: 17065
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2742
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653661184
Equivalent to 38 /8s, 246 /16s and 20 /24s
Percentage of available RIPE address space announced: 95.0
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: 46397
Total LACNIC prefixes after maximum aggregation: 8997
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 50092
Unique aggregates announced from the LACNIC address blocks: 23571
LACNIC Region origin ASes present in the Internet Routing Table: 1818
LACNIC Prefixes per ASN: 27.55
LACNIC Region origin ASes announcing only one prefix: 533
LACNIC Region transit ASes present in the Internet Routing Table: 330
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 123075584
Equivalent to 7 /8s, 85 /16s and 252 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10829
Total AfriNIC prefixes after maximum aggregation: 2459
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 11417
Unique aggregates announced from the AfriNIC address blocks: 3761
AfriNIC Region origin ASes present in the Internet Routing Table: 598
AfriNIC Prefixes per ASN: 19.09
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 45225984
Equivalent to 2 /8s, 178 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 44.9
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 2476 820 79 PT Telekomunikasi Indonesia
4766 2124 11551 629 Korea Telecom (KIX)
7545 1821 301 89 TPG Internet Pty Ltd
4755 1675 382 187 TATA Communications formerly
9829 1419 1140 43 National Internet Backbone
9583 1199 90 504 Sify Limited
7552 1150 1070 12 Vietel Corporation
9498 1063 310 75 BHARTI Airtel Ltd.
24560 1047 385 160 Bharti Airtel Ltd., Telemedia
18101 1009 135 171 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 3055 3695 96 BellSouth.net Inc.
7029 2166 1265 210 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1991 2931 127 Cox Communications Inc.
1785 1958 677 124 PaeTec Communications, Inc.
20115 1693 1610 618 Charter Communications
4323 1601 1155 397 tw telecom holdings, inc.
30036 1352 289 681 Mediacom Communications Corp
7018 1312 10585 864 AT&T Services, Inc.
11492 1208 221 335 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 1795 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1061 232 207 BILISIM TELEKOM
13188 841 99 22 Ukraine
12479 829 783 68 France Telecom Espana SA
31148 762 39 20 FreeNet ISP
20940 749 253 594 Akamai Technologies European
8551 730 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 681 185 39 SC GVM SISTEM 2003 SRL
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 2322 398 224 Types of queries are: POCs, o
28573 2305 1330 84 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1380 435 69 Axtel, S.A.B. de C.V.
8151 1230 2815 388 Uninet S.A. de C.V.
14754 938 128 77 Telgua
18881 781 716 18 Global Village Telecom
27947 759 86 95 Telconet S.A
3816 689 307 87 Types of queries are: POCs, o
7738 613 1242 34 Telecomunicacoes da Bahia S.A
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
36998 1285 80 4 MOBITEL
24863 895 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 533 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3055 3695 96 BellSouth.net Inc.
17974 2476 820 79 PT Telekomunikasi Indonesia
10620 2322 398 224 Types of queries are: POCs, o
28573 2305 1330 84 Types of queries are: POCs, o
7029 2166 1265 210 Windstream Communications Inc
4766 2124 11551 629 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1991 2931 127 Cox Communications Inc.
1785 1958 677 124 PaeTec Communications, Inc.
7545 1821 301 89 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
17974 2476 2397 PT Telekomunikasi Indonesia
28573 2305 2221 Types of queries are: POCs, o
10620 2322 2098 Types of queries are: POCs, o
7029 2166 1956 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1991 1864 Cox Communications Inc.
1785 1958 1834 PaeTec Communications, Inc.
8402 1795 1779 Corbina telecom
7545 1821 1732 TPG Internet Pty Ltd
4766 2124 1495 Korea Telecom (KIX)
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.
21861 UNALLOCATED 12.37.59.0/24 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.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
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 /8:18 /9:13 /10:30 /11:88 /12:248
/13:481 /14:865 /15:1555 /16:12528 /17:6612 /18:10946
/19:21686 /20:31159 /21:33301 /22:45214 /23:40837 /24:231000
/25:8 /26:10 /27:10 /28:130 /29:176 /30:84
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1755 3055 BellSouth.net Inc.
7029 1554 2166 Windstream Communications Inc
8402 1527 1795 Corbina telecom
22773 1304 1991 Cox Communications Inc.
36998 1279 1285 MOBITEL
30036 1240 1352 Mediacom Communications Corp
11492 1170 1208 CABLE ONE, INC.
1785 1039 1958 PaeTec Communications, Inc.
7011 955 1201 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:672 2:746 3:3 4:13 5:746 6:3
8:498 12:1933 13:3 14:722 15:11 16:3
17:8 20:24 23:243 24:1797 27:1458 31:1146
32:49 33:2 34:5 36:11 37:1289 38:848
39:2 40:141 41:2800 42:177 44:3 46:1753
47:1 49:609 50:654 52:12 54:28 55:8
57:31 58:992 59:557 60:258 61:1318 62:1054
63:2025 64:4298 65:2169 66:4246 67:2038 68:1123
69:3263 70:861 71:522 72:1911 74:2547 75:415
76:291 77:1080 78:1028 79:569 80:1237 81:972
82:633 83:543 84:557 85:1161 86:481 87:933
88:378 89:1747 90:265 91:5410 92:621 93:1738
94:2073 95:1582 96:498 97:336 98:1037 99:49
100:29 101:308 103:2149 105:519 106:133 107:206
108:493 109:1762 110:826 111:1011 112:488 113:730
114:680 115:917 116:861 117:783 118:980 119:1227
120:364 121:689 122:1699 123:1193 124:1286 125:1312
128:499 129:187 130:303 131:632 132:321 133:143
134:248 135:62 136:220 137:229 138:339 139:165
140:192 141:302 142:505 143:367 144:475 145:88
146:523 147:340 148:694 149:350 150:154 151:401
152:399 153:191 154:28 155:369 156:240 157:344
158:259 159:627 160:334 161:398 162:367 163:194
164:570 165:442 166:437 167:575 168:1003 169:129
170:1022 171:164 172:4 173:1588 174:573 175:424
176:1115 177:1674 178:1736 180:1380 181:233 182:1178
183:327 184:642 185:250 186:2301 187:1296 188:1920
189:1530 190:6606 192:6305 193:5663 194:4509 195:3495
196:1311 197:964 198:4108 199:5186 200:5986 201:2180
202:8668 203:8647 204:4419 205:2520 206:2697 207:2721
208:4059 209:3503 210:2775 211:1550 212:1991 213:1926
214:898 215:91 216:5214 217:1593 218:590 219:309
220:1261 221:550 222:327 223:463
End of report
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