* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 12 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 435908
Prefixes after maximum aggregation: 180042
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217241
Total ASes present in the Internet Routing Table: 39741
Prefixes per ASN: 10.97
Origin-only ASes present in the Internet Routing Table: 34167
Origin ASes announcing only one prefix: 15970
Transit ASes present in the Internet Routing Table: 5574
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 50571) 18
Prefixes from unregistered ASNs in the Routing Table: 960
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3747
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9164
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2636409360
Equivalent to 157 /8s, 36 /16s and 106 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
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: 152513
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100700
Total APNIC prefixes after maximum aggregation: 31697
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 102367
Unique aggregates announced from the APNIC address blocks: 43971
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.48
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 773
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: 717458432
Equivalent to 42 /8s, 195 /16s and 140 /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: 154079
Total ARIN prefixes after maximum aggregation: 78246
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154786
Unique aggregates announced from the ARIN address blocks: 70771
ARIN Region origin ASes present in the Internet Routing Table: 15384
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5840
ARIN Region transit ASes present in the Internet Routing Table: 1539
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1075856640
Equivalent to 64 /8s, 32 /16s and 69 /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: 114215
Total RIPE prefixes after maximum aggregation: 58627
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117330
Unique aggregates announced from the RIPE address blocks: 74936
RIPE Region origin ASes present in the Internet Routing Table: 17045
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8167
RIPE Region transit ASes present in the Internet Routing Table: 2730
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: 653425936
Equivalent to 38 /8s, 242 /16s and 125 /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: 46316
Total LACNIC prefixes after maximum aggregation: 9007
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 49923
Unique aggregates announced from the LACNIC address blocks: 23561
LACNIC Region origin ASes present in the Internet Routing Table: 1802
LACNIC Prefixes per ASN: 27.70
LACNIC Region origin ASes announcing only one prefix: 527
LACNIC Region transit ASes present in the Internet Routing Table: 327
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: 122870016
Equivalent to 7 /8s, 82 /16s and 217 /24s
Percentage of available LACNIC address space announced: 73.2
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: 10690
Total AfriNIC prefixes after maximum aggregation: 2413
AfriNIC Deaggregation factor: 4.43
Prefixes being announced from the AfriNIC address blocks: 11302
Unique aggregates announced from the AfriNIC address blocks: 3823
AfriNIC Region origin ASes present in the Internet Routing Table: 595
AfriNIC Prefixes per ASN: 18.99
AfriNIC Region origin ASes announcing only one prefix: 176
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44182528
Equivalent to 2 /8s, 162 /16s and 44 /24s
Percentage of available AfriNIC address space announced: 43.9
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 2463 820 78 PT Telekomunikasi Indonesia
4766 2123 11551 628 Korea Telecom (KIX)
7545 1819 301 89 TPG Internet Pty Ltd
4755 1659 382 189 TATA Communications formerly
9829 1428 1144 44 National Internet Backbone
9583 1196 90 504 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1058 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1008 135 170 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 3073 3698 107 BellSouth.net Inc.
7029 2273 1265 210 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1969 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
20115 1688 1609 623 Charter Communications
4323 1597 1171 394 tw telecom holdings, inc.
30036 1340 287 691 Mediacom Communications Corp
7018 1308 10584 864 AT&T Services, Inc.
7011 1199 316 682 Frontier Communications of Am
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 1818 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1055 232 207 BILISIM TELEKOM
13188 854 99 22 Ukraine
12479 840 782 68 France Telecom Espana SA
31148 758 39 18 FreeNet ISP
20940 746 254 590 Akamai Technologies European
8551 736 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 685 186 47 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
28573 2359 1325 86 Types of queries are: POCs, o
10620 2312 396 226 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1465 435 69 Axtel, S.A.B. de C.V.
8151 1355 2809 389 Uninet S.A. de C.V.
14754 941 121 78 Telgua
18881 758 716 18 Global Village Telecom
27947 756 86 93 Telconet S.A
3816 684 307 85 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 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 530 958 13 TEDATA
6713 500 602 20 Itissalat Al-MAGHRIB
24835 329 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 3073 3698 107 BellSouth.net Inc.
17974 2463 820 78 PT Telekomunikasi Indonesia
28573 2359 1325 86 Types of queries are: POCs, o
10620 2312 396 226 Types of queries are: POCs, o
7029 2273 1265 210 Windstream Communications Inc
4766 2123 11551 628 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1969 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
7545 1819 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 2463 2385 PT Telekomunikasi Indonesia
28573 2359 2273 Types of queries are: POCs, o
10620 2312 2086 Types of queries are: POCs, o
7029 2273 2063 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1969 1841 Cox Communications Inc.
1785 1951 1827 PaeTec Communications, Inc.
8402 1818 1802 Corbina telecom
7545 1819 1730 TPG Internet Pty Ltd
4766 2123 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 7018 AT&T Services, Inc.
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
31.210.16.0/22 15657 Neural Networks ASN
41.138.95.0/24 36930 ZanZibar Telecom
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.
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 /12:247
/13:480 /14:864 /15:1552 /16:12510 /17:6609 /18:10902
/19:21703 /20:31141 /21:33117 /22:44856 /23:40624 /24:230571
/25:9 /26:11 /27:11 /28:137 /29:183 /30:100
/31:0 /32:132
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1759 3073 BellSouth.net Inc.
7029 1645 2273 Windstream Communications Inc
8402 1552 1818 Corbina telecom
22773 1292 1969 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1232 1340 Mediacom Communications Corp
11492 1159 1196 CABLE ONE, INC.
1785 1033 1951 PaeTec Communications, Inc.
6503 979 1465 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:634 2:754 3:3 4:13 5:750 6:3
8:485 12:1932 13:3 14:714 15:11 16:3
17:8 20:24 23:241 24:1797 27:1471 31:1144
32:49 33:2 34:5 36:10 37:1299 38:838
39:2 40:141 41:2828 42:178 44:4 46:1727
47:1 49:580 50:644 52:12 54:28 55:7
57:31 58:1001 59:558 60:246 61:1301 62:1050
63:2020 64:4316 65:2140 66:4256 67:2020 68:1120
69:3271 70:858 71:530 72:1873 74:2531 75:421
76:290 77:1068 78:1022 79:557 80:1215 81:979
82:636 83:539 84:563 85:1151 86:477 87:978
88:375 89:1731 90:287 91:5406 92:620 93:1713
94:2041 95:1601 96:494 97:333 98:1048 99:49
100:29 101:311 103:2085 105:519 106:131 107:207
108:493 109:1770 110:835 111:1002 112:477 113:722
114:678 115:910 116:854 117:776 118:979 119:1229
120:367 121:681 122:1699 123:1184 124:1285 125:1309
128:510 129:189 130:303 131:635 132:314 133:143
134:246 135:62 136:221 137:232 138:341 139:153
140:188 141:302 142:500 143:391 144:475 145:88
146:520 147:338 148:711 149:342 150:151 151:399
152:398 153:190 154:26 155:367 156:238 157:340
158:259 159:614 160:333 161:398 162:359 163:191
164:575 165:441 166:439 167:574 168:1009 169:129
170:1005 171:164 172:4 173:1559 174:620 175:418
176:1100 177:1677 178:1732 180:1371 181:220 182:1141
183:316 184:631 185:222 186:2267 187:1432 188:1970
189:1536 190:6589 192:6265 193:5652 194:4645 195:3661
196:1310 197:928 198:4087 199:5163 200:5974 201:2182
202:8639 203:8672 204:4361 205:2519 206:2709 207:2744
208:4048 209:3504 210:2796 211:1560 212:1949 213:1895
214:902 215:93 216:5077 217:1580 218:579 219:317
220:1259 221:551 222:332 223:417
End of report
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