* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 09 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408397
Prefixes after maximum aggregation: 173562
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202380
Total ASes present in the Internet Routing Table: 38723
Prefixes per ASN: 10.55
Origin-only ASes present in the Internet Routing Table: 33355
Origin ASes announcing only one prefix: 15705
Transit ASes present in the Internet Routing Table: 5368
Transit-only ASes present in the Internet Routing Table: 117
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: 1029
Unregistered ASNs in the Routing Table: 167
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: 6608
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2581804288
Equivalent to 153 /8s, 227 /16s and 53 /24s
Percentage of available address space announced: 69.7
Percentage of allocated address space announced: 69.7
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: 140270
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95620
Total APNIC prefixes after maximum aggregation: 31148
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 96663
Unique aggregates announced from the APNIC address blocks: 41993
APNIC Region origin ASes present in the Internet Routing Table: 4669
APNIC Prefixes per ASN: 20.70
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 722
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: 701852928
Equivalent to 41 /8s, 213 /16s and 109 /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: 151071
Total ARIN prefixes after maximum aggregation: 77014
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151984
Unique aggregates announced from the ARIN address blocks: 68340
ARIN Region origin ASes present in the Internet Routing Table: 15131
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5749
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: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1069927424
Equivalent to 63 /8s, 197 /16s and 204 /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: 103951
Total RIPE prefixes after maximum aggregation: 54994
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106145
Unique aggregates announced from the RIPE address blocks: 66956
RIPE Region origin ASes present in the Internet Routing Table: 16630
RIPE Prefixes per ASN: 6.38
RIPE Region origin ASes announcing only one prefix: 8079
RIPE Region transit ASes present in the Internet Routing Table: 2633
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: 635479296
Equivalent to 37 /8s, 224 /16s and 165 /24s
Percentage of available RIPE address space announced: 92.4
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: 41384
Total LACNIC prefixes after maximum aggregation: 8220
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 43984
Unique aggregates announced from the LACNIC address blocks: 21677
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 27.54
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: 111653120
Equivalent to 6 /8s, 167 /16s and 177 /24s
Percentage of available LACNIC address space announced: 66.6
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: 9027
Total AfriNIC prefixes after maximum aggregation: 2132
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 9461
Unique aggregates announced from the AfriNIC address blocks: 3275
AfriNIC Region origin ASes present in the Internet Routing Table: 546
AfriNIC Prefixes per ASN: 17.33
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 40322048
Equivalent to 2 /8s, 103 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 40.1
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 2071 558 79 PT Telekomunikasi Indonesia
4766 1990 11107 760 Korea Telecom (KIX)
7545 1685 301 86 TPG Internet Pty Ltd
4755 1593 387 160 TATA Communications formerly
9829 1303 1085 28 National Internet Backbone
9583 1166 87 508 Sify Limited
7552 1075 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 979 291 65 BHARTI Airtel Ltd.
4808 952 1943 287 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 3391 3773 188 BellSouth.net Inc.
7029 3280 998 177 Windstream Communications Inc
18566 2089 382 181 Covad Communications Co.
1785 1934 681 132 PaeTec Communications, Inc.
22773 1654 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 1262 10077 826 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 1575 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 778 731 91 France Telecom Espana SA
34984 726 189 173 BILISIM TELEKOM
6830 710 2292 444 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 504 100 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 1985 1214 55 Types of queries are: POCs, o
10620 1982 345 204 Types of queries are: POCs, o
6503 1522 434 69 Axtel, S.A.B. de C.V.
7303 1453 933 193 Telecom Argentina S.A.
8151 1348 3047 337 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
14117 571 66 63 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 1166 958 13 TEDATA
24863 862 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 284 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system
33776 157 12 20 Starcomms Nigeria Limited
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 3391 3773 188 BellSouth.net Inc.
7029 3280 998 177 Windstream Communications Inc
18566 2089 382 181 Covad Communications Co.
17974 2071 558 79 PT Telekomunikasi Indonesia
4766 1990 11107 760 Korea Telecom (KIX)
28573 1985 1214 55 Types of queries are: POCs, o
10620 1982 345 204 Types of queries are: POCs, o
1785 1934 681 132 PaeTec Communications, Inc.
7545 1685 301 86 TPG Internet Pty Ltd
22773 1654 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 3280 3103 Windstream Communications Inc
17974 2071 1992 PT Telekomunikasi Indonesia
28573 1985 1930 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1934 1802 PaeTec Communications, Inc.
10620 1982 1778 Types of queries are: POCs, o
7545 1685 1599 TPG Internet Pty Ltd
8402 1575 1559 Corbina telecom
22773 1654 1533 Cox Communications Inc.
6503 1522 1453 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
14.192.4.0/22 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
62.61.221.0/24 24974 Tachyon Europe BV
64.66.32.0/20 18864 Startec Global 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 /9:12 /10:29 /11:82 /12:236
/13:468 /14:837 /15:1517 /16:12259 /17:6357 /18:10651
/19:20687 /20:29571 /21:31087 /22:40610 /23:38716 /24:214677
/25:11 /26:22 /27:19 /28:149 /29:153 /30:84
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2630 3280 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1870 3391 BellSouth.net Inc.
30036 1320 1383 Mediacom Communications Corp
8402 1276 1575 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1085 1654 Cox Communications Inc.
6503 1053 1522 Axtel, S.A.B. de C.V.
1785 1043 1934 PaeTec Communications, Inc.
8452 940 1166 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:527 2:710 3:1 4:13 5:69 6:3
8:431 12:1978 13:1 14:622 15:12 16:3
17:5 20:24 23:179 24:1782 27:1303 31:1036
32:51 33:2 34:2 36:9 37:592 38:817
39:1 40:128 41:2970 42:142 44:3 46:1530
47:2 49:418 50:544 52:13 54:13 55:6
56:1 57:31 58:919 59:524 60:245 61:1187
62:966 63:2033 64:4252 65:2252 66:4479 67:2020
68:1155 69:3183 70:979 71:510 72:1837 74:2598
75:475 76:332 77:925 78:874 79:489 80:1205
81:948 82:667 83:530 84:494 85:1159 86:439
87:935 88:340 89:1674 90:300 91:5008 92:578
93:1322 94:1596 95:1208 96:374 97:318 98:877
99:36 100:19 101:249 103:1214 106:101 107:188
108:347 109:1430 110:770 111:936 112:408 113:617
114:642 115:894 116:899 117:711 118:921 119:1168
120:343 121:788 122:1637 123:1091 124:1324 125:1267
128:517 129:182 130:252 131:611 132:293 133:22
134:238 135:61 136:216 137:237 138:337 139:173
140:468 141:246 142:412 143:366 144:513 145:77
146:511 147:287 148:748 149:318 150:150 151:182
152:472 153:176 154:16 155:450 156:217 157:337
158:191 159:543 160:341 161:245 162:375 163:181
164:649 165:413 166:582 167:475 168:909 169:125
170:896 171:147 172:5 173:1729 174:600 175:430
176:559 177:924 178:1534 180:1260 181:99 182:1000
183:240 184:533 185:1 186:1915 187:1078 188:1358
189:1589 190:5771 192:5983 193:5527 194:4523 195:3428
196:1179 197:165 198:3626 199:4808 200:5827 201:1980
202:8409 203:8497 204:4260 205:2507 206:2718 207:2726
208:4033 209:3602 210:2713 211:1527 212:1957 213:1853
214:885 215:80 216:5060 217:1552 218:538 219:321
220:1237 221:550 222:302 223:342
End of report
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