* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 14 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 406476
Prefixes after maximum aggregation: 172867
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 201587
Total ASes present in the Internet Routing Table: 38654
Prefixes per ASN: 10.52
Origin-only ASes present in the Internet Routing Table: 33327
Origin ASes announcing only one prefix: 15703
Transit ASes present in the Internet Routing Table: 5327
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: 25
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1182
Unregistered ASNs in the Routing Table: 229
Number of 32-bit ASNs allocated by the RIRs: 2830
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6263
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 198
Number of addresses announced to Internet: 2582945792
Equivalent to 153 /8s, 244 /16s and 160 /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: 92.8
Total number of prefixes smaller than registry allocations: 140241
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94844
Total APNIC prefixes after maximum aggregation: 31079
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 95839
Unique aggregates announced from the APNIC address blocks: 41833
APNIC Region origin ASes present in the Internet Routing Table: 4666
APNIC Prefixes per ASN: 20.54
APNIC Region origin ASes announcing only one prefix: 1282
APNIC Region transit ASes present in the Internet Routing Table: 719
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: 700171776
Equivalent to 41 /8s, 187 /16s and 198 /24s
Percentage of available APNIC address space announced: 81.8
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: 150506
Total ARIN prefixes after maximum aggregation: 76700
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151368
Unique aggregates announced from the ARIN address blocks: 67946
ARIN Region origin ASes present in the Internet Routing Table: 15095
ARIN Prefixes per ASN: 10.03
ARIN Region origin ASes announcing only one prefix: 5744
ARIN Region transit ASes present in the Internet Routing Table: 1520
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: 1079042304
Equivalent to 64 /8s, 80 /16s and 225 /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: 103464
Total RIPE prefixes after maximum aggregation: 54667
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105623
Unique aggregates announced from the RIPE address blocks: 66588
RIPE Region origin ASes present in the Internet Routing Table: 16601
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8068
RIPE Region transit ASes present in the Internet Routing Table: 2603
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 630701056
Equivalent to 37 /8s, 151 /16s and 188 /24s
Percentage of available RIPE address space announced: 91.7
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: 41345
Total LACNIC prefixes after maximum aggregation: 8203
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 43780
Unique aggregates announced from the LACNIC address blocks: 21838
LACNIC Region origin ASes present in the Internet Routing Table: 1594
LACNIC Prefixes per ASN: 27.47
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 299
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 110470144
Equivalent to 6 /8s, 149 /16s and 164 /24s
Percentage of available LACNIC address space announced: 65.8
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: 9220
Total AfriNIC prefixes after maximum aggregation: 2154
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 9667
Unique aggregates announced from the AfriNIC address blocks: 3236
AfriNIC Region origin ASes present in the Internet Routing Table: 545
AfriNIC Prefixes per ASN: 17.74
AfriNIC Region origin ASes announcing only one prefix: 169
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: 39811072
Equivalent to 2 /8s, 95 /16s and 120 /24s
Percentage of available AfriNIC address space announced: 39.5
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
4766 1988 11106 742 Korea Telecom (KIX)
17974 1829 530 81 PT Telekomunikasi Indonesia
7545 1679 301 84 TPG Internet Pty Ltd
4755 1569 384 152 TATA Communications formerly
9829 1299 1085 28 National Internet Backbone
9583 1175 87 502 Sify Limited
7552 1112 1062 11 Vietel Corporation
24560 1030 385 163 Bharti Airtel Ltd., Telemedia
9498 965 291 63 BHARTI Airtel Ltd.
4808 952 1938 284 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 3409 3791 193 BellSouth.net Inc.
7029 3328 1016 171 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
1785 1919 681 131 PaeTec Communications, Inc.
22773 1647 2911 121 Cox Communications Inc.
20115 1643 1570 613 Charter Communications
4323 1570 1059 384 tw telecom holdings, inc.
30036 1427 265 754 Mediacom Communications Corp
7018 1233 10062 832 AT&T Services, Inc.
11492 1189 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 1699 544 16 Corbina telecom
2118 1226 97 14 EUnet/RELCOM Autonomous Syste
12479 729 710 87 France Telecom Espana SA
34984 709 188 172 BILISIM TELEKOM
31148 681 37 9 FreeNet ISP
6830 656 2217 425 UPC Broadband
20940 652 219 517 Akamai Technologies European
9116 540 326 31 Goldenlines main autonomous s
8551 502 364 61 Bezeq International
3320 489 8442 402 Deutsche Telekom AG
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 1967 342 205 Types of queries are: POCs, o
28573 1931 1186 51 Types of queries are: POCs, o
6503 1519 418 67 Axtel, S.A.B. de C.V.
7303 1439 901 194 Telecom Argentina S.A.
8151 1341 3048 329 Uninet S.A. de C.V.
26615 902 760 31 Tim Celular S.A.
27947 682 74 87 Telconet S.A
11172 648 107 75 Alestra, S. de R.L. de C.V.
3816 589 246 93 Types of queries are: POCs, o
14117 583 68 70 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 1254 958 13 TEDATA
24863 851 274 32 LINKdotNET AS number
6713 497 649 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
16637 159 664 88 MTN Network Solutions
29571 157 15 16 Ci Telecom Autonomous system
36923 157 20 4 Swift Networks 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 3409 3791 193 BellSouth.net Inc.
7029 3328 1016 171 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
4766 1988 11106 742 Korea Telecom (KIX)
10620 1967 342 205 Types of queries are: POCs, o
28573 1931 1186 51 Types of queries are: POCs, o
1785 1919 681 131 PaeTec Communications, Inc.
17974 1829 530 81 PT Telekomunikasi Indonesia
8402 1699 544 16 Corbina telecom
7545 1679 301 84 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 3328 3157 Windstream Communications Inc
18566 2092 1911 Covad Communications Co.
28573 1931 1880 Types of queries are: POCs, o
1785 1919 1788 PaeTec Communications, Inc.
10620 1967 1762 Types of queries are: POCs, o
17974 1829 1748 PT Telekomunikasi Indonesia
8402 1699 1683 Corbina telecom
7545 1679 1595 TPG Internet Pty Ltd
22773 1647 1526 Cox Communications Inc.
6503 1519 1452 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
5.63.64.0/18 9198 Kazakhtelecom Data Network Ad
5.63.160.0/21 49800 GNC-ALFA CJSC
5.76.0.0/16 9198 Kazakhtelecom Data Network Ad
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
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 /11:82 /12:236
/13:460 /14:830 /15:1502 /16:12261 /17:6294 /18:10565
/19:20674 /20:29435 /21:30807 /22:40254 /23:38180 /24:214260
/25:11 /26:21 /27:20 /28:153 /29:149 /30:82
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2668 3328 Windstream Communications Inc
18566 2041 2092 Covad Communications Co.
6389 1878 3409 BellSouth.net Inc.
8402 1395 1699 Corbina telecom
30036 1367 1427 Mediacom Communications Corp
11492 1152 1189 CABLE ONE, INC.
22773 1079 1647 Cox Communications Inc.
6503 1058 1519 Axtel, S.A.B. de C.V.
1785 1032 1919 PaeTec Communications, Inc.
8452 1024 1254 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:552 2:724 3:1 4:13 5:58 6:3
8:423 12:1983 13:1 14:615 15:12 16:3
17:5 20:23 23:177 24:1773 27:1307 31:993
32:51 33:2 34:2 36:9 37:709 38:805
40:125 41:3107 42:135 44:3 46:1424 47:2
49:396 50:558 52:13 54:12 55:9 56:1
57:29 58:912 59:492 60:253 61:1109 62:1007
63:2004 64:4227 65:2246 66:4440 67:2008 68:1159
69:3167 70:950 71:508 72:1824 74:2594 75:474
76:328 77:943 78:961 79:490 80:1217 81:941
82:671 83:543 84:505 85:1178 86:431 87:924
88:327 89:1718 90:293 91:4921 92:562 93:1376
94:1598 95:1221 96:363 97:315 98:907 99:35
100:7 101:242 103:1127 106:103 107:186 108:314
109:1374 110:763 111:912 112:408 113:599 114:623
115:838 116:926 117:704 118:909 119:1195 120:340
121:668 122:1636 123:1093 124:1327 125:1242 128:529
129:193 130:244 131:630 132:283 133:22 134:233
135:61 136:214 137:237 138:357 139:190 140:467
141:264 142:396 143:369 144:528 145:72 146:503
147:292 148:749 149:312 150:155 151:176 152:470
153:174 154:13 155:465 156:219 157:336 158:188
159:504 160:348 161:244 162:351 163:179 164:630
165:404 166:588 167:473 168:858 169:126 170:882
171:136 172:4 173:1777 174:603 175:417 176:543
177:805 178:1420 180:1236 181:96 182:996 183:228
184:532 185:1 186:2326 187:1114 188:1353 189:1839
190:5581 192:5960 193:5531 194:4539 195:3386 196:1221
197:151 198:3619 199:4736 200:5794 201:1951 202:8394
203:8442 204:4269 205:2517 206:2687 207:2728 208:4014
209:3598 210:2707 211:1525 212:2039 213:1925 214:870
215:89 216:5073 217:1556 218:539 219:306 220:1232
221:553 222:286 223:352
End of report
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