* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 23 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414818
Prefixes after maximum aggregation: 175227
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206075
Total ASes present in the Internet Routing Table: 38963
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 33540
Origin ASes announcing only one prefix: 15771
Transit ASes present in the Internet Routing Table: 5423
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1283
Unregistered ASNs in the Routing Table: 249
Number of 32-bit ASNs allocated by the RIRs: 3157
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7142
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2608945664
Equivalent to 155 /8s, 129 /16s and 90 /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: 144122
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96378
Total APNIC prefixes after maximum aggregation: 31131
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97554
Unique aggregates announced from the APNIC address blocks: 42394
APNIC Region origin ASes present in the Internet Routing Table: 4693
APNIC Prefixes per ASN: 20.79
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 739
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: 705441024
Equivalent to 42 /8s, 12 /16s and 45 /24s
Percentage of available APNIC address space announced: 82.4
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: 152619
Total ARIN prefixes after maximum aggregation: 77457
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153589
Unique aggregates announced from the ARIN address blocks: 68853
ARIN Region origin ASes present in the Internet Routing Table: 15166
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5751
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: 1084006656
Equivalent to 64 /8s, 156 /16s and 161 /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: 106029
Total RIPE prefixes after maximum aggregation: 56101
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108257
Unique aggregates announced from the RIPE address blocks: 69119
RIPE Region origin ASes present in the Internet Routing Table: 16781
RIPE Prefixes per ASN: 6.45
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2655
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: 640780288
Equivalent to 38 /8s, 49 /16s and 136 /24s
Percentage of available RIPE address space announced: 93.2
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: 42302
Total LACNIC prefixes after maximum aggregation: 8292
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45134
Unique aggregates announced from the LACNIC address blocks: 22095
LACNIC Region origin ASes present in the Internet Routing Table: 1618
LACNIC Prefixes per ASN: 27.89
LACNIC Region origin ASes announcing only one prefix: 434
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: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 114426624
Equivalent to 6 /8s, 210 /16s and 3 /24s
Percentage of available LACNIC address space announced: 68.2
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: 9619
Total AfriNIC prefixes after maximum aggregation: 2191
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 10090
Unique aggregates announced from the AfriNIC address blocks: 3455
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.18
AfriNIC Region origin ASes announcing only one prefix: 171
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: 41680384
Equivalent to 2 /8s, 123 /16s and 254 /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 2342 702 54 PT Telekomunikasi Indonesia
4766 2037 11107 795 Korea Telecom (KIX)
7545 1722 301 88 TPG Internet Pty Ltd
4755 1585 385 156 TATA Communications formerly
9829 1305 1100 27 National Internet Backbone
9583 1170 86 509 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 999 294 74 BHARTI Airtel Ltd.
4808 973 1944 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 3449 990 154 Windstream Communications Inc
6389 3365 3772 194 BellSouth.net Inc.
18566 2088 382 180 Covad Communications Co.
1785 1941 680 129 PaeTec Communications, Inc.
22773 1823 2930 128 Cox Communications Inc.
20115 1647 1573 608 Charter Communications
4323 1570 1042 386 tw telecom holdings, inc.
30036 1402 277 784 Mediacom Communications Corp
7018 1249 10067 817 AT&T Services, Inc.
11492 1197 217 345 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 1503 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 750 189 175 BILISIM TELEKOM
6830 720 2313 447 UPC Broadband
31148 712 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
20940 677 220 535 Akamai Technologies European
13188 657 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 596 364 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 2094 356 215 Types of queries are: POCs, o
28573 2041 1244 60 Types of queries are: POCs, o
7303 1564 1033 201 Telecom Argentina S.A.
6503 1414 435 69 Axtel, S.A.B. de C.V.
8151 1334 3013 341 Uninet S.A. de C.V.
6458 883 81 15 Telgua
27947 691 75 90 Telconet S.A
3816 604 255 90 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
24863 869 275 36 LINKdotNET AS number
8452 867 958 13 TEDATA
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
12258 194 28 66 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
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 3449 990 154 Windstream Communications Inc
6389 3365 3772 194 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2094 356 215 Types of queries are: POCs, o
18566 2088 382 180 Covad Communications Co.
28573 2041 1244 60 Types of queries are: POCs, o
4766 2037 11107 795 Korea Telecom (KIX)
1785 1941 680 129 PaeTec Communications, Inc.
22773 1823 2930 128 Cox Communications Inc.
7545 1722 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 3365 3171 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2041 1981 Types of queries are: POCs, o
18566 2088 1908 Covad Communications Co.
10620 2094 1879 Types of queries are: POCs, o
1785 1941 1812 PaeTec Communications, Inc.
22773 1823 1695 Cox Communications Inc.
7545 1722 1634 TPG Internet Pty Ltd
8402 1503 1487 Corbina telecom
4755 1585 1429 TATA Communications formerly
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
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.
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 /9:14 /10:30 /11:84 /12:236
/13:473 /14:843 /15:1542 /16:12319 /17:6427 /18:10734
/19:20885 /20:29990 /21:31596 /22:41505 /23:39393 /24:218143
/25:11 /26:22 /27:18 /28:147 /29:161 /30:83
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2809 3449 Windstream Communications Inc
18566 2038 2088 Covad Communications Co.
6389 1856 3365 BellSouth.net Inc.
30036 1336 1402 Mediacom Communications Corp
8402 1234 1503 Corbina telecom
22773 1172 1823 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1041 1941 PaeTec Communications, Inc.
6503 973 1414 Axtel, S.A.B. de C.V.
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)
----------------------------------------------
1:527 2:736 3:1 4:13 5:371 6:3
8:438 12:2005 13:1 14:636 15:11 16:3
17:6 20:27 23:195 24:1800 27:1336 31:1050
32:51 33:2 34:2 36:8 37:734 38:817
39:1 40:133 41:2856 42:155 44:3 46:1582
47:2 49:435 50:582 52:13 54:16 55:7
56:1 57:36 58:929 59:515 60:234 61:1173
62:951 63:2001 64:4253 65:2242 66:4526 67:2056
68:1155 69:3197 70:988 71:525 72:1864 74:2609
75:491 76:330 77:939 78:904 79:487 80:1240
81:955 82:646 83:535 84:515 85:1134 86:461
87:928 88:345 89:1807 90:299 91:5125 92:591
93:1346 94:1587 95:1250 96:395 97:317 98:900
99:36 100:22 101:259 103:1408 105:512 106:115
107:195 108:413 109:1493 110:794 111:952 112:422
113:683 114:652 115:833 116:865 117:722 118:933
119:1216 120:291 121:678 122:1614 123:1171 124:1320
125:1265 128:488 129:178 130:263 131:622 132:289
133:22 134:234 135:61 136:214 137:236 138:339
139:180 140:475 141:274 142:465 143:358 144:482
145:79 146:504 147:259 148:751 149:299 150:149
151:168 152:456 153:175 154:19 155:427 156:221
157:336 158:179 159:560 160:348 161:386 162:403
163:178 164:676 165:406 166:561 167:541 168:952
169:124 170:907 171:145 172:5 173:1722 174:627
175:435 176:599 177:1036 178:1686 180:1343 181:125
182:1026 183:223 184:583 186:2102 187:1077 188:1467
189:1547 190:6155 192:5966 193:5467 194:4233 195:3246
196:1226 197:205 198:3692 199:4890 200:5873 201:1966
202:8490 203:8556 204:4314 205:2516 206:2726 207:2802
208:4041 209:3621 210:2727 211:1535 212:2022 213:1811
214:884 215:84 216:5121 217:1543 218:533 219:290
220:1236 221:510 222:302 223:364
End of report
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