* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 06 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 428394
Prefixes after maximum aggregation: 178337
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 213201
Total ASes present in the Internet Routing Table: 39424
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 33906
Origin ASes announcing only one prefix: 15839
Transit ASes present in the Internet Routing Table: 5518
Transit-only ASes present in the Internet Routing Table: 128
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1778
Unregistered ASNs in the Routing Table: 457
Number of 32-bit ASNs allocated by the RIRs: 3553
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8507
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 155
Number of addresses announced to Internet: 2637203968
Equivalent to 157 /8s, 48 /16s and 138 /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: 94.0
Total number of prefixes smaller than registry allocations: 149413
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99184
Total APNIC prefixes after maximum aggregation: 31265
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100683
Unique aggregates announced from the APNIC address blocks: 43265
APNIC Region origin ASes present in the Internet Routing Table: 4756
APNIC Prefixes per ASN: 21.17
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 750
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: 713213696
Equivalent to 42 /8s, 130 /16s and 199 /24s
Percentage of available APNIC address space announced: 83.4
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: 153917
Total ARIN prefixes after maximum aggregation: 77988
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154657
Unique aggregates announced from the ARIN address blocks: 69891
ARIN Region origin ASes present in the Internet Routing Table: 15249
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5764
ARIN Region transit ASes present in the Internet Routing Table: 1533
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087630592
Equivalent to 64 /8s, 211 /16s and 237 /24s
Percentage of available ARIN address space announced: 57.5
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: 111970
Total RIPE prefixes after maximum aggregation: 57917
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 114842
Unique aggregates announced from the RIPE address blocks: 73393
RIPE Region origin ASes present in the Internet Routing Table: 16953
RIPE Prefixes per ASN: 6.77
RIPE Region origin ASes announcing only one prefix: 8124
RIPE Region transit ASes present in the Internet Routing Table: 2715
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 649477632
Equivalent to 38 /8s, 182 /16s and 62 /24s
Percentage of available RIPE address space announced: 94.4
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: 44192
Total LACNIC prefixes after maximum aggregation: 8780
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47605
Unique aggregates announced from the LACNIC address blocks: 22901
LACNIC Region origin ASes present in the Internet Routing Table: 1725
LACNIC Prefixes per ASN: 27.60
LACNIC Region origin ASes announcing only one prefix: 496
LACNIC Region transit ASes present in the Internet Routing Table: 313
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: 120225280
Equivalent to 7 /8s, 42 /16s and 126 /24s
Percentage of available LACNIC address space announced: 71.7
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: 9870
Total AfriNIC prefixes after maximum aggregation: 2334
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10451
Unique aggregates announced from the AfriNIC address blocks: 3614
AfriNIC Region origin ASes present in the Internet Routing Table: 582
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.3
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: 43017728
Equivalent to 2 /8s, 144 /16s and 102 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2431 826 46 PT Telekomunikasi Indonesia
4766 2098 11550 604 Korea Telecom (KIX)
7545 1803 301 90 TPG Internet Pty Ltd
4755 1604 374 159 TATA Communications formerly
9829 1412 1155 42 National Internet Backbone
9583 1169 87 502 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1033 310 74 BHARTI Airtel Ltd.
18101 1017 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
7029 3192 994 218 Windstream Communications Inc
6389 3139 3719 144 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
20115 1685 1606 623 Charter Communications
4323 1589 1169 394 tw telecom holdings, inc.
30036 1349 281 755 Mediacom Communications Corp
7018 1286 10563 853 AT&T Services, Inc.
7011 1223 334 693 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 1719 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 859 777 64 France Telecom Espana SA
34984 851 210 218 BILISIM TELEKOM
13188 743 95 132 Ukraine
31148 738 38 13 FreeNet ISP
6830 718 2313 437 UPC Broadband
20940 706 229 551 Akamai Technologies European
8551 623 367 39 Bezeq International
58113 613 68 372 LIR DATACENTER TELECOM 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 2262 386 206 Types of queries are: POCs, o
28573 2191 1290 71 Types of queries are: POCs, o
7303 1671 1138 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1457 3022 349 Uninet S.A. de C.V.
27947 732 78 88 Telconet S.A
3816 660 309 70 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 602 716 18 Global Village Telecom
22047 579 326 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
24863 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 547 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
15399 195 29 7 Wananchi Online Limited
12258 194 28 66 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
7029 3192 994 218 Windstream Communications Inc
6389 3139 3719 144 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2262 386 206 Types of queries are: POCs, o
28573 2191 1290 71 Types of queries are: POCs, o
4766 2098 11550 604 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
7545 1803 301 90 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
6389 3139 2995 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2191 2120 Types of queries are: POCs, o
10620 2262 2056 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
22773 1941 1810 Cox Communications Inc.
1785 1932 1810 PaeTec Communications, Inc.
7545 1803 1713 TPG Internet Pty Ltd
8402 1719 1703 Corbina telecom
4766 2098 1494 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 SWITCH Communications Group L
65.111.1.0/24 32258 SDN Global
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 /8:19 /9:13 /10:30 /11:87 /12:244
/13:475 /14:858 /15:1559 /16:12430 /17:6604 /18:10846
/19:21506 /20:30755 /21:32755 /22:43384 /23:40217 /24:226017
/25:9 /26:12 /27:11 /28:143 /29:189 /30:91
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2616 3192 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1780 3139 BellSouth.net Inc.
8402 1437 1719 Corbina telecom
22773 1274 1941 Cox Communications Inc.
30036 1260 1349 Mediacom Communications Corp
11492 1146 1182 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1020 1932 PaeTec Communications, Inc.
7011 958 1223 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:610 2:704 3:1 4:13 5:668 6:3
8:487 12:1950 13:3 14:686 15:11 16:3
17:6 20:27 23:219 24:1776 27:1408 31:1318
32:49 33:2 34:2 36:7 37:1061 38:837
39:2 40:140 41:2758 42:179 44:3 46:1680
47:3 49:504 50:611 52:12 54:27 55:7
57:31 58:988 59:547 60:229 61:1270 62:1043
63:2018 64:4341 65:2198 66:4485 67:2086 68:1181
69:3244 70:924 71:548 72:1891 74:2611 75:479
76:306 77:1014 78:999 79:508 80:1223 81:984
82:631 83:538 84:530 85:1153 86:478 87:956
88:353 89:1751 90:305 91:5354 92:580 93:1552
94:2017 95:1313 96:410 97:322 98:961 99:37
100:30 101:283 103:1871 105:516 106:119 107:203
108:472 109:1684 110:804 111:969 112:458 113:718
114:638 115:870 116:867 117:747 118:966 119:1210
120:371 121:665 122:1696 123:1166 124:1291 125:1291
128:529 129:190 130:279 131:637 132:308 133:143
134:243 135:62 136:214 137:232 138:343 139:165
140:154 141:301 142:476 143:366 144:489 145:81
146:514 147:255 148:721 149:328 150:146 151:221
152:395 153:183 154:23 155:441 156:223 157:328
158:256 159:594 160:334 161:390 162:371 163:180
164:578 165:444 166:480 167:562 168:984 169:128
170:982 171:152 172:6 173:1702 174:621 175:442
176:852 177:1435 178:1696 180:1336 181:178 182:1110
183:307 184:624 185:112 186:2083 187:1422 188:1791
189:1604 190:6027 192:6024 193:5830 194:4644 195:3667
196:1255 197:284 198:3927 199:5082 200:5960 201:1982
202:8540 203:8610 204:4366 205:2521 206:2663 207:2742
208:4065 209:3630 210:2769 211:1526 212:2105 213:1879
214:889 215:75 216:5166 217:1606 218:578 219:297
220:1254 221:543 222:336 223:358
End of report
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