* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 06 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 413056
Prefixes after maximum aggregation: 174749
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 204846
Total ASes present in the Internet Routing Table: 38856
Prefixes per ASN: 10.63
Origin-only ASes present in the Internet Routing Table: 33463
Origin ASes announcing only one prefix: 15722
Transit ASes present in the Internet Routing Table: 5393
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1084
Unregistered ASNs in the Routing Table: 199
Number of 32-bit ASNs allocated by the RIRs: 3071
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6907
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2592660224
Equivalent to 154 /8s, 136 /16s and 219 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 143332
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96246
Total APNIC prefixes after maximum aggregation: 31154
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97337
Unique aggregates announced from the APNIC address blocks: 41916
APNIC Region origin ASes present in the Internet Routing Table: 4681
APNIC Prefixes per ASN: 20.79
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 732
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 704534016
Equivalent to 41 /8s, 254 /16s and 86 /24s
Percentage of available APNIC address space announced: 82.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 152123
Total ARIN prefixes after maximum aggregation: 77306
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153128
Unique aggregates announced from the ARIN address blocks: 68869
ARIN Region origin ASes present in the Internet Routing Table: 15143
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5749
ARIN Region transit ASes present in the Internet Routing Table: 1519
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1072913920
Equivalent to 63 /8s, 243 /16s and 94 /24s
Percentage of available ARIN address space announced: 56.8
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: 105223
Total RIPE prefixes after maximum aggregation: 55789
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 107395
Unique aggregates announced from the RIPE address blocks: 68477
RIPE Region origin ASes present in the Internet Routing Table: 16727
RIPE Prefixes per ASN: 6.42
RIPE Region origin ASes announcing only one prefix: 8118
RIPE Region transit ASes present in the Internet Routing Table: 2648
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: 638152704
Equivalent to 38 /8s, 9 /16s and 112 /24s
Percentage of available RIPE address space announced: 92.8
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: 42244
Total LACNIC prefixes after maximum aggregation: 8253
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 44995
Unique aggregates announced from the LACNIC address blocks: 22017
LACNIC Region origin ASes present in the Internet Routing Table: 1601
LACNIC Prefixes per ASN: 28.10
LACNIC Region origin ASes announcing only one prefix: 424
LACNIC Region transit ASes present in the Internet Routing Table: 304
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 112904448
Equivalent to 6 /8s, 186 /16s and 201 /24s
Percentage of available LACNIC address space announced: 67.3
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: 9587
Total AfriNIC prefixes after maximum aggregation: 2193
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 10035
Unique aggregates announced from the AfriNIC address blocks: 3422
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 3.5
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: 41574912
Equivalent to 2 /8s, 122 /16s and 98 /24s
Percentage of available AfriNIC address space announced: 41.3
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 2290 702 54 PT Telekomunikasi Indonesia
4766 2024 11112 784 Korea Telecom (KIX)
7545 1693 301 88 TPG Internet Pty Ltd
4755 1582 385 155 TATA Communications formerly
9829 1310 1084 31 National Internet Backbone
9583 1164 87 508 Sify Limited
7552 1110 1062 11 Vietel Corporation
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 997 294 76 BHARTI Airtel Ltd.
4808 966 1941 290 CNCGROUP IP network China169
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 3445 986 155 Windstream Communications Inc
6389 3344 3773 192 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1946 681 132 PaeTec Communications, Inc.
22773 1698 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1573 1043 384 tw telecom holdings, inc.
30036 1431 280 786 Mediacom Communications Corp
7018 1253 10073 820 AT&T Services, Inc.
7011 1191 316 697 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 1492 544 16 Corbina telecom
12479 823 761 88 France Telecom Espana SA
34984 735 189 177 BILISIM TELEKOM
6830 715 2310 446 UPC Broadband
20940 705 234 563 Akamai Technologies European
31148 704 37 9 FreeNet ISP
2118 664 97 14 EUnet/RELCOM Autonomous Syste
13188 648 100 9 Ukraine
58113 632 70 369 LIR DATACENTER TELECOM SRL
8551 602 364 61 Bezeq International
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 2037 350 211 Types of queries are: POCs, o
28573 2026 1228 58 Types of queries are: POCs, o
6503 1520 419 69 Axtel, S.A.B. de C.V.
7303 1461 936 199 Telecom Argentina S.A.
8151 1341 3053 344 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 695 75 90 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 604 255 90 Types of queries are: POCs, o
22047 583 326 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
8452 964 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 509 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 215 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 179 32 6 Sudatel Internet Exchange Aut
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 3445 986 155 Windstream Communications Inc
6389 3344 3773 192 BellSouth.net Inc.
17974 2290 702 54 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
10620 2037 350 211 Types of queries are: POCs, o
28573 2026 1228 58 Types of queries are: POCs, o
4766 2024 11112 784 Korea Telecom (KIX)
1785 1946 681 132 PaeTec Communications, Inc.
22773 1698 2914 125 Cox Communications Inc.
7545 1693 301 88 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 3344 3152 BellSouth.net Inc.
17974 2290 2236 PT Telekomunikasi Indonesia
28573 2026 1968 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
10620 2037 1826 Types of queries are: POCs, o
1785 1946 1814 PaeTec Communications, Inc.
7545 1693 1605 TPG Internet Pty Ltd
22773 1698 1573 Cox Communications Inc.
8402 1492 1476 Corbina telecom
6503 1520 1451 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.68.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.84.0/24 35567 DASTO semtel d.o.o.
59458 UNALLOCATED 5.149.96.0/21 50597 ScopeSky Communicati
59458 UNALLOCATED 5.149.104.0/22 50597 ScopeSky Communicati
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
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
27.112.114.0/24 23884 Proimage Engineering and Comm
41.207.224.0/23 36898 UniNet Communications
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 /10:29 /11:82 /12:236
/13:472 /14:847 /15:1527 /16:12299 /17:6375 /18:10648
/19:20828 /20:29831 /21:31505 /22:41092 /23:39322 /24:217359
/25:11 /26:22 /27:19 /28:148 /29:150 /30:84
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2804 3445 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1835 3344 BellSouth.net Inc.
30036 1366 1431 Mediacom Communications Corp
8402 1191 1492 Corbina telecom
11492 1154 1191 CABLE ONE, INC.
22773 1122 1698 Cox Communications Inc.
1785 1053 1946 PaeTec Communications, Inc.
6503 1047 1520 Axtel, S.A.B. de C.V.
7011 930 1191 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:518 2:648 3:1 4:13 5:300 6:3
8:435 12:1970 13:1 14:619 15:11 16:3
17:6 20:24 23:202 24:1796 27:1316 31:1045
32:51 33:2 34:2 36:8 37:687 38:819
39:1 40:134 41:2850 42:155 44:3 46:1552
47:2 49:428 50:570 52:13 54:14 55:6
56:1 57:38 58:924 59:506 60:232 61:1170
62:930 63:2021 64:4235 65:2243 66:4524 67:2036
68:1151 69:3200 70:985 71:520 72:1869 74:2608
75:489 76:332 77:936 78:954 79:495 80:1237
81:953 82:648 83:534 84:512 85:1148 86:470
87:934 88:353 89:1805 90:303 91:5079 92:588
93:1330 94:1573 95:1268 96:400 97:318 98:903
99:36 100:22 101:253 103:1331 105:512 106:112
107:189 108:395 109:1501 110:790 111:944 112:425
113:647 114:652 115:845 116:895 117:722 118:942
119:1175 120:354 121:679 122:1610 123:1158 124:1308
125:1265 128:519 129:177 130:256 131:633 132:292
133:22 134:234 135:61 136:214 137:236 138:345
139:181 140:469 141:257 142:432 143:366 144:488
145:78 146:503 147:284 148:750 149:318 150:145
151:186 152:449 153:175 154:18 155:421 156:219
157:336 158:188 159:552 160:347 161:376 162:384
163:179 164:666 165:408 166:577 167:535 168:960
169:123 170:906 171:147 172:5 173:1740 174:631
175:427 176:565 177:993 178:1674 180:1328 181:114
182:1018 183:232 184:571 186:2068 187:1115 188:1412
189:1585 190:6148 192:5976 193:5454 194:4200 195:3239
196:1231 197:201 198:3652 199:4905 200:5903 201:1979
202:8433 203:8565 204:4318 205:2512 206:2704 207:2761
208:4040 209:3609 210:2700 211:1541 212:2018 213:1804
214:850 215:85 216:5070 217:1557 218:548 219:298
220:1234 221:552 222:297 223:360
End of report
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