* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 10 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408091
Prefixes after maximum aggregation: 173526
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 199568
Total ASes present in the Internet Routing Table: 38728
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33357
Origin ASes announcing only one prefix: 15706
Transit ASes present in the Internet Routing Table: 5371
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1030
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 2957
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6633
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2584470016
Equivalent to 154 /8s, 11 /16s and 226 /24s
Percentage of available address space announced: 69.7
Percentage of allocated address space announced: 69.8
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: 139907
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95731
Total APNIC prefixes after maximum aggregation: 31122
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 96789
Unique aggregates announced from the APNIC address blocks: 42022
APNIC Region origin ASes present in the Internet Routing Table: 4664
APNIC Prefixes per ASN: 20.75
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 724
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: 701850624
Equivalent to 41 /8s, 213 /16s and 100 /24s
Percentage of available APNIC address space announced: 82.0
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: 151038
Total ARIN prefixes after maximum aggregation: 77009
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151962
Unique aggregates announced from the ARIN address blocks: 68340
ARIN Region origin ASes present in the Internet Routing Table: 15138
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5754
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1069951232
Equivalent to 63 /8s, 198 /16s and 41 /24s
Percentage of available ARIN address space announced: 56.6
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: 103888
Total RIPE prefixes after maximum aggregation: 55026
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106064
Unique aggregates announced from the RIPE address blocks: 64246
RIPE Region origin ASes present in the Internet Routing Table: 16626
RIPE Prefixes per ASN: 6.38
RIPE Region origin ASes announcing only one prefix: 8077
RIPE Region transit ASes present in the Internet Routing Table: 2626
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: 637808640
Equivalent to 38 /8s, 4 /16s and 48 /24s
Percentage of available RIPE address space announced: 92.7
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: 41014
Total LACNIC prefixes after maximum aggregation: 8194
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 43622
Unique aggregates announced from the LACNIC address blocks: 21623
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 27.31
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 301
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: 111830016
Equivalent to 6 /8s, 170 /16s and 100 /24s
Percentage of available LACNIC address space announced: 66.7
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: 9049
Total AfriNIC prefixes after maximum aggregation: 2120
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 9493
Unique aggregates announced from the AfriNIC address blocks: 3197
AfriNIC Region origin ASes present in the Internet Routing Table: 549
AfriNIC Prefixes per ASN: 17.29
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 3.4
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: 40462080
Equivalent to 2 /8s, 105 /16s and 103 /24s
Percentage of available AfriNIC address space announced: 40.2
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 2139 558 79 PT Telekomunikasi Indonesia
4766 1995 11107 763 Korea Telecom (KIX)
7545 1686 301 87 TPG Internet Pty Ltd
4755 1593 387 160 TATA Communications formerly
9829 1302 1085 28 National Internet Backbone
9583 1167 88 508 Sify Limited
7552 1075 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 977 291 65 BHARTI Airtel Ltd.
4808 964 1943 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
6389 3390 3774 188 BellSouth.net Inc.
7029 3260 998 177 Windstream Communications Inc
18566 2089 382 181 Covad Communications Co.
1785 1933 681 131 PaeTec Communications, Inc.
22773 1656 2911 121 Cox Communications Inc.
20115 1651 1573 616 Charter Communications
4323 1571 1059 383 tw telecom holdings, inc.
30036 1383 265 783 Mediacom Communications Corp
7018 1266 10077 830 AT&T Services, Inc.
11492 1190 216 356 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 1594 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 782 735 95 France Telecom Espana SA
34984 726 189 173 BILISIM TELEKOM
6830 708 2292 442 UPC Broadband
31148 700 37 9 FreeNet ISP
20940 659 214 521 Akamai Technologies European
8551 605 364 61 Bezeq International
9116 512 326 31 Goldenlines main autonomous s
13188 502 100 10 Ukraine
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 1990 1214 55 Types of queries are: POCs, o
10620 1983 345 205 Types of queries are: POCs, o
6503 1520 434 69 Axtel, S.A.B. de C.V.
7303 1453 933 193 Telecom Argentina S.A.
8151 1348 3047 336 Uninet S.A. de C.V.
27947 685 74 88 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 592 246 90 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
6458 561 81 15 Telgua
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 1159 958 13 TEDATA
24863 862 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 285 80 8 RAYA Telecom - Egypt
3741 261 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
33776 163 12 18 Starcomms Nigeria Limited
15706 159 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system
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 3390 3774 188 BellSouth.net Inc.
7029 3260 998 177 Windstream Communications Inc
17974 2139 558 79 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
4766 1995 11107 763 Korea Telecom (KIX)
28573 1990 1214 55 Types of queries are: POCs, o
10620 1983 345 205 Types of queries are: POCs, o
1785 1933 681 131 PaeTec Communications, Inc.
7545 1686 301 87 TPG Internet Pty Ltd
22773 1656 2911 121 Cox Communications Inc.
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 3260 3083 Windstream Communications Inc
17974 2139 2060 PT Telekomunikasi Indonesia
28573 1990 1935 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1933 1802 PaeTec Communications, Inc.
10620 1983 1778 Types of queries are: POCs, o
7545 1686 1599 TPG Internet Pty Ltd
8402 1594 1578 Corbina telecom
22773 1656 1535 Cox Communications Inc.
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
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
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
62.61.220.0/24 24974 Tachyon Europe BV
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 /8:22 /9:12 /10:29 /11:82 /12:236
/13:468 /14:838 /15:1517 /16:12254 /17:6359 /18:10656
/19:20678 /20:29559 /21:31090 /22:40515 /23:38743 /24:214451
/25:11 /26:22 /27:19 /28:148 /29:153 /30:84
/31:0 /32:145
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2616 3260 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1868 3390 BellSouth.net Inc.
30036 1320 1383 Mediacom Communications Corp
8402 1295 1594 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1087 1656 Cox Communications Inc.
6503 1051 1520 Axtel, S.A.B. de C.V.
1785 1043 1933 PaeTec Communications, Inc.
8452 933 1159 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:529 2:715 3:1 4:13 5:101 6:3
8:433 12:1978 13:1 14:625 15:12 16:3
17:5 20:24 23:178 24:1785 27:1304 31:1037
32:51 33:2 34:2 36:9 37:595 38:817
39:1 40:128 41:2967 42:142 44:3 46:1529
47:2 49:418 50:544 52:13 54:13 55:6
56:1 57:31 58:920 59:523 60:244 61:1225
62:935 63:2032 64:4253 65:2249 66:4478 67:2019
68:1145 69:3177 70:980 71:509 72:1839 74:2595
75:475 76:333 77:926 78:891 79:490 80:1227
81:948 82:666 83:528 84:494 85:1157 86:440
87:931 88:354 89:1674 90:300 91:5011 92:580
93:1336 94:1563 95:1217 96:374 97:318 98:883
99:36 100:19 101:250 103:1212 106:115 107:188
108:347 109:1436 110:776 111:934 112:409 113:617
114:643 115:895 116:896 117:711 118:922 119:1165
120:343 121:785 122:1638 123:1090 124:1311 125:1266
128:515 129:180 130:252 131:631 132:294 133:22
134:236 135:61 136:216 137:236 138:337 139:173
140:469 141:244 142:412 143:367 144:529 145:77
146:511 147:290 148:748 149:318 150:149 151:182
152:472 153:176 154:16 155:453 156:217 157:337
158:192 159:543 160:341 161:245 162:372 163:180
164:653 165:413 166:580 167:475 168:909 169:125
170:896 171:147 172:5 173:1727 174:594 175:429
176:553 177:925 178:1531 180:1262 181:99 182:1005
183:240 184:533 186:1913 187:1081 188:1358 189:1583
190:5592 192:5974 193:5522 194:4523 195:3422 196:1187
197:167 198:3625 199:4812 200:5732 201:1935 202:8408
203:8503 204:4266 205:2508 206:2717 207:2726 208:4031
209:3601 210:2716 211:1528 212:1951 213:1850 214:881
215:81 216:5048 217:1557 218:541 219:321 220:1237
221:549 222:302 223:345
End of report
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