* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 11 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 418287
Prefixes after maximum aggregation: 175948
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207386
Total ASes present in the Internet Routing Table: 39051
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 33619
Origin ASes announcing only one prefix: 15796
Transit ASes present in the Internet Routing Table: 5432
Transit-only ASes present in the Internet Routing Table: 115
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: 1352
Unregistered ASNs in the Routing Table: 274
Number of 32-bit ASNs allocated by the RIRs: 3241
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7529
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2597208832
Equivalent to 154 /8s, 206 /16s and 67 /24s
Percentage of available address space announced: 70.2
Percentage of allocated address space announced: 70.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.5
Total number of prefixes smaller than registry allocations: 145038
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97102
Total APNIC prefixes after maximum aggregation: 31226
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 98279
Unique aggregates announced from the APNIC address blocks: 42654
APNIC Region origin ASes present in the Internet Routing Table: 4703
APNIC Prefixes per ASN: 20.90
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 733
Average APNIC Region AS path length visible: 4.1
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: 705495296
Equivalent to 42 /8s, 13 /16s and 1 /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: 152919
Total ARIN prefixes after maximum aggregation: 77557
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153879
Unique aggregates announced from the ARIN address blocks: 69010
ARIN Region origin ASes present in the Internet Routing Table: 15174
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5738
ARIN Region transit ASes present in the Internet Routing Table: 1518
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1067151616
Equivalent to 63 /8s, 155 /16s and 113 /24s
Percentage of available ARIN address space announced: 56.5
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: 107188
Total RIPE prefixes after maximum aggregation: 56551
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109657
Unique aggregates announced from the RIPE address blocks: 69900
RIPE Region origin ASes present in the Internet Routing Table: 16844
RIPE Prefixes per ASN: 6.51
RIPE Region origin ASes announcing only one prefix: 8178
RIPE Region transit ASes present in the Internet Routing Table: 2680
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 644771584
Equivalent to 38 /8s, 110 /16s and 111 /24s
Percentage of available RIPE address space announced: 93.7
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: 42939
Total LACNIC prefixes after maximum aggregation: 8345
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 45914
Unique aggregates announced from the LACNIC address blocks: 22223
LACNIC Region origin ASes present in the Internet Routing Table: 1626
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 443
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: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 115411200
Equivalent to 6 /8s, 225 /16s and 9 /24s
Percentage of available LACNIC address space announced: 68.8
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: 9904
Total AfriNIC prefixes after maximum aggregation: 2212
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 10379
Unique aggregates announced from the AfriNIC address blocks: 3455
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 18.67
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 41783040
Equivalent to 2 /8s, 125 /16s and 143 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2342 702 54 PT Telekomunikasi Indonesia
4766 2080 11111 829 Korea Telecom (KIX)
7545 1747 301 87 TPG Internet Pty Ltd
4755 1596 386 160 TATA Communications formerly
9829 1329 1104 36 National Internet Backbone
9583 1181 87 510 Sify Limited
7552 1115 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1007 310 73 BHARTI Airtel Ltd.
4808 977 1945 292 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 3368 990 154 Windstream Communications Inc
6389 3331 3736 186 BellSouth.net Inc.
18566 2086 382 180 Covad Communications Co.
1785 1915 678 127 PaeTec Communications, Inc.
22773 1885 2931 129 Cox Communications Inc.
20115 1660 1580 615 Charter Communications
4323 1578 1170 386 tw telecom holdings, inc.
30036 1408 277 755 Mediacom Communications Corp
7018 1269 10334 840 AT&T Services, Inc.
11492 1197 217 343 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 1598 544 16 Corbina telecom
2118 1401 97 14 EUnet/RELCOM Autonomous Syste
12479 830 765 82 France Telecom Espana SA
34984 760 205 178 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 696 228 551 Akamai Technologies European
13188 691 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 599 364 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
28573 2145 1248 54 Types of queries are: POCs, o
10620 2138 364 223 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1527 451 71 Axtel, S.A.B. de C.V.
8151 1433 3014 341 Uninet S.A. de C.V.
6458 790 81 15 Telgua
27947 697 75 89 Telconet S.A
3816 633 261 112 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 581 83 100 CORPORACION NACIONAL DE TELEC
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 878 275 36 LINKdotNET AS number
8452 824 958 13 TEDATA
36998 774 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
33776 231 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 193 32 6 Sudatel Internet Exchange Aut
29975 190 663 25 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 3368 990 154 Windstream Communications Inc
6389 3331 3736 186 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
28573 2145 1248 54 Types of queries are: POCs, o
10620 2138 364 223 Types of queries are: POCs, o
18566 2086 382 180 Covad Communications Co.
4766 2080 11111 829 Korea Telecom (KIX)
1785 1915 678 127 PaeTec Communications, Inc.
22773 1885 2931 129 Cox Communications Inc.
7545 1747 301 87 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 3331 3145 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2145 2091 Types of queries are: POCs, o
10620 2138 1915 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1915 1788 PaeTec Communications, Inc.
22773 1885 1756 Cox Communications Inc.
7545 1747 1660 TPG Internet Pty Ltd
8402 1598 1582 Corbina telecom
6503 1527 1456 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
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
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
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.
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
5.226.184.0/21 50478 BVOX AS
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 /8:18 /9:14 /10:30 /11:84 /12:237
/13:475 /14:843 /15:1554 /16:12347 /17:6439 /18:10756
/19:21024 /20:30183 /21:31967 /22:41905 /23:39581 /24:220268
/25:9 /26:13 /27:9 /28:143 /29:164 /30:84
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2762 3368 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1849 3331 BellSouth.net Inc.
30036 1341 1408 Mediacom Communications Corp
8402 1322 1598 Corbina telecom
22773 1228 1885 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1527 Axtel, S.A.B. de C.V.
1785 1014 1915 PaeTec Communications, Inc.
7011 933 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)
----------------------------------------------
1:569 2:742 3:1 4:13 5:445 6:3
8:454 12:1999 13:1 14:649 15:11 16:3
17:6 20:27 23:202 24:1782 27:1330 31:915
32:51 33:2 34:2 36:7 37:758 38:821
39:2 40:133 41:3127 42:158 44:3 46:1552
47:2 49:468 50:585 52:13 54:18 55:7
56:1 57:35 58:931 59:525 60:236 61:1175
62:915 63:1998 64:4264 65:2238 66:4491 67:2052
68:1169 69:3197 70:984 71:523 72:1870 74:2573
75:493 76:322 77:939 78:943 79:486 80:1221
81:956 82:638 83:534 84:516 85:1155 86:481
87:925 88:361 89:1804 90:301 91:5200 92:578
93:1388 94:1621 95:1232 96:416 97:318 98:882
99:36 100:23 101:259 103:1498 105:512 106:119
107:198 108:427 109:1499 110:792 111:963 112:442
113:704 114:657 115:845 116:872 117:730 118:934
119:1221 120:300 121:677 122:1611 123:1171 124:1309
125:1274 128:515 129:178 130:270 131:625 132:304
133:22 134:240 135:61 136:215 137:235 138:342
139:174 140:474 141:278 142:467 143:364 144:488
145:79 146:494 147:282 148:745 149:323 150:150
151:176 152:449 153:182 154:19 155:406 156:219
157:335 158:186 159:567 160:343 161:390 162:402
163:179 164:684 165:411 166:563 167:548 168:959
169:124 170:905 171:149 172:6 173:1714 174:628
175:439 176:567 177:1103 178:1647 180:1361 181:134
182:1022 183:291 184:594 186:2217 187:1213 188:1525
189:1567 190:6079 192:5979 193:5722 194:4556 195:3431
196:1215 197:222 198:3730 199:4932 200:5871 201:1960
202:8495 203:8599 204:4355 205:2535 206:2676 207:2802
208:4049 209:3646 210:2762 211:1532 212:2038 213:1811
214:884 215:87 216:5126 217:1554 218:534 219:299
220:1235 221:512 222:303 223:367
End of report
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