* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 01 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407344
Prefixes after maximum aggregation: 173173
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202249
Total ASes present in the Internet Routing Table: 38676
Prefixes per ASN: 10.53
Origin-only ASes present in the Internet Routing Table: 33332
Origin ASes announcing only one prefix: 15697
Transit ASes present in the Internet Routing Table: 5344
Transit-only ASes present in the Internet Routing Table: 118
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: 1127
Unregistered ASNs in the Routing Table: 208
Number of 32-bit ASNs allocated by the RIRs: 2914
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6505
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2589998848
Equivalent to 154 /8s, 96 /16s and 63 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
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: 140248
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95234
Total APNIC prefixes after maximum aggregation: 31202
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96260
Unique aggregates announced from the APNIC address blocks: 42032
APNIC Region origin ASes present in the Internet Routing Table: 4669
APNIC Prefixes per ASN: 20.62
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 729
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: 701117696
Equivalent to 41 /8s, 202 /16s and 53 /24s
Percentage of available APNIC address space announced: 81.9
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: 150495
Total ARIN prefixes after maximum aggregation: 76666
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151398
Unique aggregates announced from the ARIN address blocks: 68146
ARIN Region origin ASes present in the Internet Routing Table: 15090
ARIN Prefixes per ASN: 10.03
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1513
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: 1079926272
Equivalent to 64 /8s, 94 /16s and 94 /24s
Percentage of available ARIN address space announced: 57.1
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: 103899
Total RIPE prefixes after maximum aggregation: 54913
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106144
Unique aggregates announced from the RIPE address blocks: 67003
RIPE Region origin ASes present in the Internet Routing Table: 16621
RIPE Prefixes per ASN: 6.39
RIPE Region origin ASes announcing only one prefix: 8063
RIPE Region transit ASes present in the Internet Routing Table: 2618
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: 633536768
Equivalent to 37 /8s, 195 /16s and 1 /24s
Percentage of available RIPE address space announced: 92.1
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: 41134
Total LACNIC prefixes after maximum aggregation: 8179
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 43667
Unique aggregates announced from the LACNIC address blocks: 21633
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 27.34
LACNIC Region origin ASes announcing only one prefix: 439
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: 111514624
Equivalent to 6 /8s, 165 /16s and 148 /24s
Percentage of available LACNIC address space announced: 66.5
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: 9256
Total AfriNIC prefixes after maximum aggregation: 2159
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 9705
Unique aggregates announced from the AfriNIC address blocks: 3286
AfriNIC Region origin ASes present in the Internet Routing Table: 548
AfriNIC Prefixes per ASN: 17.71
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 40507648
Equivalent to 2 /8s, 106 /16s and 25 /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
4766 1996 11107 762 Korea Telecom (KIX)
17974 1889 541 77 PT Telekomunikasi Indonesia
7545 1685 301 87 TPG Internet Pty Ltd
4755 1573 384 152 TATA Communications formerly
9829 1303 1085 28 National Internet Backbone
9583 1168 87 511 Sify Limited
7552 1051 1062 11 Vietel Corporation
24560 1033 382 173 Bharti Airtel Ltd., Telemedia
9498 971 291 65 BHARTI Airtel Ltd.
4808 956 1942 283 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 3397 3791 190 BellSouth.net Inc.
7029 3241 1013 172 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1928 681 132 PaeTec Communications, Inc.
22773 1655 2911 121 Cox Communications Inc.
20115 1651 1573 616 Charter Communications
4323 1571 1059 383 tw telecom holdings, inc.
30036 1446 271 750 Mediacom Communications Corp
7018 1254 10059 822 AT&T Services, Inc.
11492 1190 216 354 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 1554 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 779 731 92 France Telecom Espana SA
34984 716 189 175 BILISIM TELEKOM
31148 690 37 9 FreeNet ISP
6830 688 2234 436 UPC Broadband
20940 657 213 515 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
8551 506 364 61 Bezeq International
13188 503 100 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
10620 1982 345 204 Types of queries are: POCs, o
28573 1971 1213 54 Types of queries are: POCs, o
6503 1517 418 67 Axtel, S.A.B. de C.V.
7303 1455 933 193 Telecom Argentina S.A.
8151 1351 3039 337 Uninet S.A. de C.V.
27947 684 74 88 Telconet S.A
11172 644 107 75 Alestra, S. de R.L. de C.V.
3816 594 248 87 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
14117 573 67 65 Telefonica del Sur S.A.
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 1270 958 13 TEDATA
24863 857 274 32 LINKdotNET AS number
6713 500 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
15706 164 32 6 Sudatel Internet Exchange Aut
16637 157 664 88 MTN Network Solutions
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 3397 3791 190 BellSouth.net Inc.
7029 3241 1013 172 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1996 11107 762 Korea Telecom (KIX)
10620 1982 345 204 Types of queries are: POCs, o
28573 1971 1213 54 Types of queries are: POCs, o
1785 1928 681 132 PaeTec Communications, Inc.
17974 1889 541 77 PT Telekomunikasi Indonesia
7545 1685 301 87 TPG Internet Pty Ltd
22773 1655 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 3241 3069 Windstream Communications Inc
28573 1971 1917 Types of queries are: POCs, o
18566 2091 1911 Covad Communications Co.
17974 1889 1812 PT Telekomunikasi Indonesia
1785 1928 1796 PaeTec Communications, Inc.
10620 1982 1778 Types of queries are: POCs, o
7545 1685 1598 TPG Internet Pty Ltd
8402 1554 1538 Corbina telecom
22773 1655 1534 Cox Communications Inc.
6503 1517 1450 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
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
5.104.104.0/21 24961 fastIT AS for european operat
5.104.144.0/21 21263 TeleData Friedrichshafen GmbH
5.112.0.0/14 44244 Iran Cell Service and Communi
5.116.0.0/14 44244 Iran Cell Service and Communi
5.120.0.0/15 44244 Iran Cell Service and Communi
5.122.0.0/15 44244 Iran Cell Service and Communi
5.124.0.0/17 44244 Iran Cell Service and Communi
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
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 /9:13 /10:29 /11:83 /12:236
/13:462 /14:834 /15:1511 /16:12227 /17:6337 /18:10639
/19:20699 /20:29486 /21:30971 /22:40384 /23:38580 /24:214268
/25:11 /26:20 /27:19 /28:148 /29:144 /30:84
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2614 3241 Windstream Communications Inc
18566 2041 2091 Covad Communications Co.
6389 1870 3397 BellSouth.net Inc.
30036 1383 1446 Mediacom Communications Corp
8402 1259 1554 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1086 1655 Cox Communications Inc.
6503 1053 1517 Axtel, S.A.B. de C.V.
1785 1039 1928 PaeTec Communications, Inc.
8452 1031 1270 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:521 2:663 3:1 4:13 5:96 6:3
8:431 12:1964 13:1 14:622 15:12 16:3
17:5 20:24 23:189 24:1757 27:1313 31:1018
32:51 33:2 34:2 36:9 37:597 38:808
39:1 40:128 41:3117 42:142 44:3 46:1466
47:2 49:418 50:553 52:13 54:12 55:7
56:1 57:31 58:929 59:496 60:248 61:1123
62:998 63:2029 64:4232 65:2246 66:4456 67:2013
68:1148 69:3189 70:976 71:502 72:1830 74:2589
75:475 76:328 77:944 78:894 79:490 80:1214
81:948 82:676 83:527 84:507 85:1181 86:438
87:934 88:343 89:1745 90:300 91:4984 92:576
93:1372 94:1553 95:1219 96:368 97:318 98:909
99:36 100:18 101:247 103:1189 106:100 107:189
108:336 109:1411 110:768 111:933 112:411 113:612
114:643 115:820 116:898 117:714 118:922 119:1175
120:343 121:677 122:1634 123:1095 124:1327 125:1256
128:494 129:182 130:242 131:628 132:285 133:22
134:235 135:61 136:214 137:237 138:334 139:173
140:466 141:252 142:401 143:367 144:528 145:74
146:502 147:287 148:746 149:317 150:148 151:173
152:476 153:175 154:16 155:447 156:216 157:336
158:191 159:543 160:342 161:245 162:351 163:181
164:589 165:408 166:583 167:476 168:907 169:125
170:874 171:145 172:5 173:1742 174:622 175:429
176:547 177:875 178:1533 180:1254 181:98 182:1001
183:243 184:533 185:1 186:1866 187:1084 188:1347
189:1596 190:5760 192:5952 193:5547 194:4541 195:3427
196:1195 197:166 198:3618 199:4746 200:5817 201:1975
202:8416 203:8523 204:4248 205:2511 206:2713 207:2716
208:4021 209:3593 210:2710 211:1531 212:2024 213:1935
214:830 215:82 216:5080 217:1570 218:540 219:301
220:1235 221:548 222:285 223:342
End of report
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