* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 21 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431000
Prefixes after maximum aggregation: 178811
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215352
Total ASes present in the Internet Routing Table: 39518
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 34001
Origin ASes announcing only one prefix: 15884
Transit ASes present in the Internet Routing Table: 5517
Transit-only ASes present in the Internet Routing Table: 122
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: 1824
Unregistered ASNs in the Routing Table: 479
Number of 32-bit ASNs allocated by the RIRs: 3591
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8690
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 182
Number of addresses announced to Internet: 2640892944
Equivalent to 157 /8s, 104 /16s and 212 /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: 94.1
Total number of prefixes smaller than registry allocations: 150866
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99491
Total APNIC prefixes after maximum aggregation: 31426
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101037
Unique aggregates announced from the APNIC address blocks: 43299
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.21
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 758
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: 714899968
Equivalent to 42 /8s, 156 /16s and 130 /24s
Percentage of available APNIC address space announced: 83.6
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: 154634
Total ARIN prefixes after maximum aggregation: 77948
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155317
Unique aggregates announced from the ARIN address blocks: 70632
ARIN Region origin ASes present in the Internet Routing Table: 15283
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5793
ARIN Region transit ASes present in the Internet Routing Table: 1532
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: 1089303040
Equivalent to 64 /8s, 237 /16s and 114 /24s
Percentage of available ARIN address space announced: 57.6
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: 112936
Total RIPE prefixes after maximum aggregation: 58139
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115853
Unique aggregates announced from the RIPE address blocks: 74472
RIPE Region origin ASes present in the Internet Routing Table: 16993
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8138
RIPE Region transit ASes present in the Internet Routing Table: 2707
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: 650291472
Equivalent to 38 /8s, 194 /16s and 169 /24s
Percentage of available RIPE address space announced: 94.5
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: 44738
Total LACNIC prefixes after maximum aggregation: 8898
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48276
Unique aggregates announced from the LACNIC address blocks: 23157
LACNIC Region origin ASes present in the Internet Routing Table: 1743
LACNIC Prefixes per ASN: 27.70
LACNIC Region origin ASes announcing only one prefix: 496
LACNIC Region transit ASes present in the Internet Routing Table: 316
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: 120917504
Equivalent to 7 /8s, 53 /16s and 14 /24s
Percentage of available LACNIC address space announced: 72.1
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: 9744
Total AfriNIC prefixes after maximum aggregation: 2347
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 10334
Unique aggregates announced from the AfriNIC address blocks: 3628
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.73
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 42835712
Equivalent to 2 /8s, 141 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2471 829 54 PT Telekomunikasi Indonesia
4766 2113 11548 610 Korea Telecom (KIX)
7545 1807 301 89 TPG Internet Pty Ltd
4755 1640 381 173 TATA Communications formerly
9829 1415 1156 42 National Internet Backbone
9583 1173 88 507 Sify Limited
7552 1132 1070 12 Vietel Corporation
9498 1037 307 69 BHARTI Airtel Ltd.
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
18101 1016 135 169 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 3471 1010 215 Windstream Communications Inc
6389 3121 3717 133 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1943 2929 128 Cox Communications Inc.
1785 1938 677 123 PaeTec Communications, Inc.
20115 1691 1607 621 Charter Communications
4323 1587 1171 392 tw telecom holdings, inc.
30036 1386 292 720 Mediacom Communications Corp
7018 1299 10566 861 AT&T Services, Inc.
7011 1206 321 685 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 1707 544 16 Corbina telecom
2118 922 97 15 EUnet/RELCOM Autonomous Syste
34984 883 211 231 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 764 95 121 Ukraine
31148 743 38 15 FreeNet ISP
20940 723 238 568 Akamai Technologies European
6830 716 2313 437 UPC Broadband
8551 637 367 39 Bezeq International
58113 633 70 378 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 2268 387 206 Types of queries are: POCs, o
28573 2249 1298 69 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1432 2969 344 Uninet S.A. de C.V.
27947 743 86 89 Telconet S.A
18881 742 716 18 Global Village Telecom
3816 617 307 91 Types of queries are: POCs, o
11172 600 101 65 Alestra, S. de R.L. de C.V.
7738 588 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
24863 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 554 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 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 3471 1010 215 Windstream Communications Inc
6389 3121 3717 133 BellSouth.net Inc.
17974 2471 829 54 PT Telekomunikasi Indonesia
10620 2268 387 206 Types of queries are: POCs, o
28573 2249 1298 69 Types of queries are: POCs, o
4766 2113 11548 610 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1943 2929 128 Cox Communications Inc.
1785 1938 677 123 PaeTec Communications, Inc.
7545 1807 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
6389 3121 2988 BellSouth.net Inc.
17974 2471 2417 PT Telekomunikasi Indonesia
28573 2249 2180 Types of queries are: POCs, o
10620 2268 2062 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1943 1815 Cox Communications Inc.
1785 1938 1815 PaeTec Communications, Inc.
7545 1807 1718 TPG Internet Pty Ltd
8402 1707 1691 Corbina telecom
4766 2113 1503 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
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
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Data Networks
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Data Networks
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
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.
128.0.64.0/22 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
128.0.128.0/20 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
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<<
64.185.224.0/24 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 /8:19 /9:13 /10:30 /11:87 /12:245
/13:475 /14:860 /15:1553 /16:12447 /17:6598 /18:10862
/19:21588 /20:30937 /21:32822 /22:43835 /23:40367 /24:227654
/25:9 /26:11 /27:11 /28:146 /29:194 /30:97
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2727 3471 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1775 3121 BellSouth.net Inc.
8402 1433 1707 Corbina telecom
30036 1289 1386 Mediacom Communications Corp
22773 1277 1943 Cox Communications Inc.
11492 1157 1194 CABLE ONE, INC.
1785 1023 1938 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 954 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:654 2:706 3:3 4:13 5:696 6:3
8:488 12:1933 13:3 14:687 15:11 16:3
17:6 20:27 23:218 24:1787 27:1465 31:1354
32:49 33:2 34:2 36:10 37:1140 38:837
39:2 40:142 41:2679 42:179 44:3 46:1707
47:3 49:499 50:644 52:12 54:28 55:7
56:1 57:31 58:988 59:552 60:231 61:1293
62:1053 63:2013 64:4344 65:2196 66:4486 67:2081
68:1201 69:3331 70:937 71:556 72:1894 74:2622
75:476 76:293 77:1029 78:1020 79:517 80:1197
81:979 82:652 83:538 84:531 85:1157 86:459
87:970 88:354 89:1746 90:304 91:5380 92:608
93:1625 94:1970 95:1598 96:487 97:338 98:965
99:37 100:30 101:284 103:1932 105:501 106:117
107:203 108:490 109:1735 110:816 111:965 112:455
113:723 114:636 115:869 116:871 117:763 118:964
119:1224 120:365 121:696 122:1693 123:1170 124:1278
125:1286 128:773 129:188 130:291 131:631 132:311
133:142 134:242 135:62 136:214 137:232 138:343
139:167 140:155 141:300 142:497 143:349 144:488
145:89 146:548 147:323 148:712 149:332 150:141
151:237 152:397 153:187 154:21 155:442 156:228
157:332 158:257 159:603 160:334 161:396 162:370
163:180 164:577 165:446 166:474 167:570 168:997
169:129 170:1005 171:164 172:4 173:1656 174:627
175:464 176:872 177:1486 178:1739 180:1316 181:189
182:1081 183:293 184:630 185:135 186:2147 187:1413
188:1888 189:1562 190:6158 192:6033 193:5667 194:4408
195:3600 196:1240 197:295 198:3959 199:5115 200:5991
201:2025 202:8570 203:8640 204:4405 205:2532 206:2731
207:2757 208:4062 209:3633 210:2776 211:1530 212:2126
213:1877 214:860 215:90 216:5159 217:1556 218:582
219:303 220:1252 221:543 222:324 223:369
End of report
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