* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 19 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419379
Prefixes after maximum aggregation: 175927
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207679
Total ASes present in the Internet Routing Table: 39081
Prefixes per ASN: 10.73
Origin-only ASes present in the Internet Routing Table: 33635
Origin ASes announcing only one prefix: 15791
Transit ASes present in the Internet Routing Table: 5446
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1371
Unregistered ASNs in the Routing Table: 288
Number of 32-bit ASNs allocated by the RIRs: 3291
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7685
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2616418048
Equivalent to 155 /8s, 243 /16s and 95 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.6
Total number of prefixes smaller than registry allocations: 145683
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97189
Total APNIC prefixes after maximum aggregation: 30978
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98412
Unique aggregates announced from the APNIC address blocks: 42673
APNIC Region origin ASes present in the Internet Routing Table: 4711
APNIC Prefixes per ASN: 20.89
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 734
Average APNIC Region AS path length visible: 4.1
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: 705651456
Equivalent to 42 /8s, 15 /16s and 99 /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: 152964
Total ARIN prefixes after maximum aggregation: 77610
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153907
Unique aggregates announced from the ARIN address blocks: 69005
ARIN Region origin ASes present in the Internet Routing Table: 15185
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5746
ARIN Region transit ASes present in the Internet Routing Table: 1526
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1084109824
Equivalent to 64 /8s, 158 /16s and 52 /24s
Percentage of available ARIN address space announced: 57.4
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: 107995
Total RIPE prefixes after maximum aggregation: 56773
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110467
Unique aggregates announced from the RIPE address blocks: 70260
RIPE Region origin ASes present in the Internet Routing Table: 16830
RIPE Prefixes per ASN: 6.56
RIPE Region origin ASes announcing only one prefix: 8151
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: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 645940224
Equivalent to 38 /8s, 128 /16s and 68 /24s
Percentage of available RIPE address space announced: 93.9
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: 43007
Total LACNIC prefixes after maximum aggregation: 8297
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 46096
Unique aggregates announced from the LACNIC address blocks: 22128
LACNIC Region origin ASes present in the Internet Routing Table: 1637
LACNIC Prefixes per ASN: 28.16
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 306
Average LACNIC Region AS path length visible: 4.1
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: 116327680
Equivalent to 6 /8s, 239 /16s and 5 /24s
Percentage of available LACNIC address space announced: 69.3
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: 9830
Total AfriNIC prefixes after maximum aggregation: 2211
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 10317
Unique aggregates announced from the AfriNIC address blocks: 3463
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 18.39
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 41816320
Equivalent to 2 /8s, 126 /16s and 17 /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 2340 702 54 PT Telekomunikasi Indonesia
4766 2112 11421 605 Korea Telecom (KIX)
7545 1753 301 88 TPG Internet Pty Ltd
4755 1597 386 160 TATA Communications formerly
9829 1335 1106 41 National Internet Backbone
9583 1177 87 513 Sify Limited
7552 1111 1062 11 Vietel Corporation
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
9498 1010 310 73 BHARTI Airtel Ltd.
4808 975 1948 291 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
6389 3325 3734 186 BellSouth.net Inc.
7029 3153 990 161 Windstream Communications Inc
18566 2086 382 180 Covad Communications Co.
1785 1918 678 128 PaeTec Communications, Inc.
22773 1884 2931 129 Cox Communications Inc.
20115 1659 1579 616 Charter Communications
4323 1573 1169 386 tw telecom holdings, inc.
30036 1377 272 744 Mediacom Communications Corp
7018 1252 10334 837 AT&T Services, Inc.
7011 1204 329 698 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 1652 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 844 774 77 France Telecom Espana SA
34984 766 205 179 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 709 37 9 FreeNet ISP
20940 701 229 551 Akamai Technologies European
13188 665 100 9 Ukraine
58113 617 69 362 LIR DATACENTER TELECOM SRL
8551 597 364 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 2159 369 216 Types of queries are: POCs, o
28573 2138 1249 55 Types of queries are: POCs, o
7303 1551 1032 198 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1431 3014 340 Uninet S.A. de C.V.
6458 711 81 15 Telgua
27947 698 75 89 Telconet S.A
3816 643 310 52 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 583 85 101 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 881 275 36 LINKdotNET AS number
8452 803 958 13 TEDATA
36998 740 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 228 13 11 Starcomms Nigeria Limited
12258 194 28 66 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
6389 3325 3734 186 BellSouth.net Inc.
7029 3153 990 161 Windstream Communications Inc
17974 2340 702 54 PT Telekomunikasi Indonesia
10620 2159 369 216 Types of queries are: POCs, o
28573 2138 1249 55 Types of queries are: POCs, o
4766 2112 11421 605 Korea Telecom (KIX)
18566 2086 382 180 Covad Communications Co.
1785 1918 678 128 PaeTec Communications, Inc.
22773 1884 2931 129 Cox Communications Inc.
7545 1753 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
7029 3153 2992 Windstream Communications Inc
17974 2340 2286 PT Telekomunikasi Indonesia
28573 2138 2083 Types of queries are: POCs, o
10620 2159 1943 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1918 1790 PaeTec Communications, Inc.
22773 1884 1755 Cox Communications Inc.
7545 1753 1665 TPG Internet Pty Ltd
8402 1652 1636 Corbina telecom
4766 2112 1507 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
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 5.149.64.0/19 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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.80.0/20 52041 Timer LTD
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.176.0/20 30764 PODA s.r.o.
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /9:14 /10:30 /11:84 /12:237
/13:475 /14:846 /15:1559 /16:12361 /17:6481 /18:10743
/19:21049 /20:30221 /21:32007 /22:42071 /23:39552 /24:221065
/25:9 /26:14 /27:10 /28:143 /29:164 /30:86
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3153 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1849 3325 BellSouth.net Inc.
8402 1375 1652 Corbina telecom
30036 1312 1377 Mediacom Communications Corp
22773 1227 1884 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1016 1918 PaeTec Communications, Inc.
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:587 2:572 3:1 4:13 5:496 6:3
8:455 12:1993 13:1 14:650 15:11 16:3
17:6 20:27 23:206 24:1782 27:1330 31:1041
32:73 33:2 34:2 36:7 37:779 38:822
39:2 40:133 41:3074 42:158 44:3 46:1580
47:2 49:480 50:584 52:13 54:18 55:7
56:1 57:35 58:928 59:533 60:233 61:1178
62:951 63:1992 64:4261 65:2234 66:4495 67:2052
68:1167 69:3212 70:984 71:509 72:1871 74:2599
75:485 76:314 77:958 78:965 79:491 80:1227
81:957 82:637 83:531 84:516 85:1152 86:488
87:927 88:363 89:1790 90:304 91:5203 92:580
93:1405 94:1620 95:1232 96:416 97:319 98:981
99:36 100:23 101:259 103:1533 105:512 106:118
107:198 108:445 109:1521 110:798 111:966 112:445
113:702 114:645 115:829 116:870 117:723 118:939
119:1217 120:301 121:677 122:1602 123:1164 124:1315
125:1277 128:516 129:177 130:269 131:626 132:307
133:22 134:239 135:61 136:217 137:235 138:342
139:169 140:471 141:282 142:467 143:367 144:490
145:80 146:514 147:262 148:743 149:323 150:149
151:172 152:448 153:178 154:19 155:430 156:223
157:335 158:186 159:574 160:340 161:390 162:357
163:179 164:681 165:416 166:539 167:552 168:961
169:124 170:907 171:161 172:7 173:1678 174:618
175:435 176:792 177:1180 178:1636 180:1357 181:136
182:1045 183:294 184:601 186:2226 187:1228 188:1665
189:1572 190:6034 192:5970 193:5737 194:4560 195:3438
196:1208 197:224 198:3749 199:4963 200:5881 201:1963
202:8522 203:8619 204:4354 205:2534 206:2671 207:2795
208:4058 209:3646 210:2769 211:1525 212:2047 213:1814
214:878 215:86 216:5118 217:1538 218:553 219:298
220:1236 221:513 222:301 223:366
End of report
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