* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 16 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414392
Prefixes after maximum aggregation: 175256
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 204180
Total ASes present in the Internet Routing Table: 38930
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 33500
Origin ASes announcing only one prefix: 15751
Transit ASes present in the Internet Routing Table: 5430
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1218
Unregistered ASNs in the Routing Table: 214
Number of 32-bit ASNs allocated by the RIRs: 3115
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7074
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2610825216
Equivalent to 155 /8s, 158 /16s and 8 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.5
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.2
Total number of prefixes smaller than registry allocations: 143943
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96424
Total APNIC prefixes after maximum aggregation: 31173
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97581
Unique aggregates announced from the APNIC address blocks: 42188
APNIC Region origin ASes present in the Internet Routing Table: 4687
APNIC Prefixes per ASN: 20.82
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 738
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: 706060288
Equivalent to 42 /8s, 21 /16s and 160 /24s
Percentage of available APNIC address space announced: 82.5
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: 152329
Total ARIN prefixes after maximum aggregation: 77433
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153316
Unique aggregates announced from the ARIN address blocks: 68658
ARIN Region origin ASes present in the Internet Routing Table: 15163
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5752
ARIN Region transit ASes present in the Internet Routing Table: 1529
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: 1083906560
Equivalent to 64 /8s, 155 /16s and 26 /24s
Percentage of available ARIN address space announced: 57.3
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: 105631
Total RIPE prefixes after maximum aggregation: 55978
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 107950
Unique aggregates announced from the RIPE address blocks: 67614
RIPE Region origin ASes present in the Internet Routing Table: 16751
RIPE Prefixes per ASN: 6.44
RIPE Region origin ASes announcing only one prefix: 8132
RIPE Region transit ASes present in the Internet Routing Table: 2660
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: 641902336
Equivalent to 38 /8s, 66 /16s and 167 /24s
Percentage of available RIPE address space announced: 93.3
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: 42420
Total LACNIC prefixes after maximum aggregation: 8298
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 45249
Unique aggregates announced from the LACNIC address blocks: 22144
LACNIC Region origin ASes present in the Internet Routing Table: 1613
LACNIC Prefixes per ASN: 28.05
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 306
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: 114034432
Equivalent to 6 /8s, 204 /16s and 7 /24s
Percentage of available LACNIC address space announced: 68.0
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: 9659
Total AfriNIC prefixes after maximum aggregation: 2198
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 10117
Unique aggregates announced from the AfriNIC address blocks: 3425
AfriNIC Region origin ASes present in the Internet Routing Table: 558
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 120
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: 41665024
Equivalent to 2 /8s, 123 /16s and 194 /24s
Percentage of available AfriNIC address space announced: 41.4
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 2341 702 54 PT Telekomunikasi Indonesia
4766 2020 11106 779 Korea Telecom (KIX)
7545 1694 301 86 TPG Internet Pty Ltd
4755 1584 385 156 TATA Communications formerly
9829 1311 1084 31 National Internet Backbone
9583 1206 90 534 Sify Limited
7552 1092 1062 11 Vietel Corporation
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 997 294 74 BHARTI Airtel Ltd.
4808 967 1940 289 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 3441 990 154 Windstream Communications Inc
6389 3373 3772 193 BellSouth.net Inc.
18566 2089 382 180 Covad Communications Co.
1785 1940 680 130 PaeTec Communications, Inc.
22773 1722 2914 127 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1571 1042 384 tw telecom holdings, inc.
30036 1415 281 794 Mediacom Communications Corp
7018 1246 10054 815 AT&T Services, Inc.
11492 1193 217 350 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 1462 544 16 Corbina telecom
12479 826 764 85 France Telecom Espana SA
34984 747 189 175 BILISIM TELEKOM
6830 711 2310 442 UPC Broadband
31148 703 37 9 FreeNet ISP
20940 693 228 548 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 656 100 9 Ukraine
58113 624 70 370 LIR DATACENTER TELECOM SRL
8551 600 364 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 2081 354 216 Types of queries are: POCs, o
28573 2045 1238 57 Types of queries are: POCs, o
7303 1562 1033 202 Telecom Argentina S.A.
6503 1522 435 70 Axtel, S.A.B. de C.V.
8151 1327 3010 337 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 691 75 90 Telconet S.A
3816 600 254 92 Types of queries are: POCs, o
11172 592 101 71 Alestra, S. de R.L. de C.V.
22047 580 326 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 901 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
33776 230 12 17 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
15706 193 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 3441 990 154 Windstream Communications Inc
6389 3373 3772 193 BellSouth.net Inc.
17974 2341 702 54 PT Telekomunikasi Indonesia
18566 2089 382 180 Covad Communications Co.
10620 2081 354 216 Types of queries are: POCs, o
28573 2045 1238 57 Types of queries are: POCs, o
4766 2020 11106 779 Korea Telecom (KIX)
1785 1940 680 130 PaeTec Communications, Inc.
22773 1722 2914 127 Cox Communications Inc.
7545 1694 301 86 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 3373 3180 BellSouth.net Inc.
17974 2341 2287 PT Telekomunikasi Indonesia
28573 2045 1988 Types of queries are: POCs, o
18566 2089 1909 Covad Communications Co.
10620 2081 1865 Types of queries are: POCs, o
1785 1940 1810 PaeTec Communications, Inc.
7545 1694 1608 TPG Internet Pty Ltd
22773 1722 1595 Cox Communications Inc.
6503 1522 1452 Axtel, S.A.B. de C.V.
8402 1462 1446 Corbina telecom
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
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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 5.149.66.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 43179 Team Consulting d.o.
59457 UNALLOCATED 5.149.68.0/24 43179 Team Consulting d.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
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
5.10.192.0/21 57685 Wipa Nederland B.V.
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
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 /8:21 /9:14 /10:30 /11:84 /12:237
/13:473 /14:849 /15:1539 /16:12325 /17:6417 /18:10685
/19:20871 /20:30009 /21:31592 /22:41416 /23:39437 /24:217814
/25:11 /26:22 /27:18 /28:145 /29:157 /30:85
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3441 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1859 3373 BellSouth.net Inc.
30036 1350 1415 Mediacom Communications Corp
8402 1190 1462 Corbina telecom
11492 1156 1193 CABLE ONE, INC.
22773 1129 1722 Cox Communications Inc.
6503 1047 1522 Axtel, S.A.B. de C.V.
1785 1041 1940 PaeTec Communications, Inc.
7011 929 1190 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:516 2:708 3:1 4:13 5:353 6:3
8:437 12:1974 13:1 14:634 15:11 16:3
17:6 20:26 23:199 24:1798 27:1330 31:1047
32:51 33:2 34:2 36:7 37:724 38:812
39:1 40:133 41:2891 42:162 44:3 46:1577
47:2 49:435 50:571 52:13 54:14 55:7
56:1 57:38 58:927 59:514 60:234 61:1180
62:948 63:2006 64:4250 65:2248 66:4528 67:2052
68:1158 69:3205 70:986 71:522 72:1871 74:2605
75:489 76:330 77:937 78:907 79:496 80:1233
81:954 82:640 83:541 84:510 85:1135 86:472
87:923 88:334 89:1829 90:300 91:5106 92:591
93:1327 94:1581 95:1244 96:411 97:317 98:894
99:36 100:22 101:256 103:1381 105:512 106:112
107:193 108:406 109:1498 110:792 111:944 112:427
113:673 114:651 115:833 116:864 117:721 118:942
119:1200 120:333 121:682 122:1615 123:1168 124:1311
125:1265 128:489 129:178 130:258 131:627 132:289
133:22 134:235 135:61 136:216 137:236 138:340
139:182 140:472 141:265 142:433 143:366 144:486
145:78 146:504 147:255 148:758 149:299 150:148
151:186 152:455 153:175 154:19 155:424 156:219
157:336 158:180 159:559 160:343 161:387 162:400
163:178 164:677 165:407 166:572 167:534 168:951
169:125 170:908 171:145 172:5 173:1724 174:624
175:410 176:597 177:1009 178:1679 180:1336 181:123
182:1023 183:227 184:575 186:2069 187:1127 188:1458
189:1568 190:6129 192:5962 193:5457 194:4236 195:3235
196:1234 197:204 198:3657 199:4866 200:5905 201:1959
202:8497 203:8566 204:4318 205:2518 206:2723 207:2742
208:4046 209:3619 210:2711 211:1548 212:2018 213:1805
214:873 215:85 216:5091 217:1540 218:543 219:299
220:1235 221:522 222:300 223:362
End of report
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