* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 13 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 406087
Prefixes after maximum aggregation: 172867
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 201581
Total ASes present in the Internet Routing Table: 38642
Prefixes per ASN: 10.51
Origin-only ASes present in the Internet Routing Table: 33325
Origin ASes announcing only one prefix: 15699
Transit ASes present in the Internet Routing Table: 5317
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: 25
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1188
Unregistered ASNs in the Routing Table: 230
Number of 32-bit ASNs allocated by the RIRs: 2825
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6235
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2581817600
Equivalent to 153 /8s, 227 /16s and 105 /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: 92.8
Total number of prefixes smaller than registry allocations: 140141
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94774
Total APNIC prefixes after maximum aggregation: 31072
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 95720
Unique aggregates announced from the APNIC address blocks: 41784
APNIC Region origin ASes present in the Internet Routing Table: 4667
APNIC Prefixes per ASN: 20.51
APNIC Region origin ASes announcing only one prefix: 1286
APNIC Region transit ASes present in the Internet Routing Table: 718
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: 700043776
Equivalent to 41 /8s, 185 /16s and 210 /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: 150415
Total ARIN prefixes after maximum aggregation: 76669
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151289
Unique aggregates announced from the ARIN address blocks: 67942
ARIN Region origin ASes present in the Internet Routing Table: 15086
ARIN Prefixes per ASN: 10.03
ARIN Region origin ASes announcing only one prefix: 5742
ARIN Region transit ASes present in the Internet Routing Table: 1519
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: 1078838784
Equivalent to 64 /8s, 77 /16s and 198 /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: 103356
Total RIPE prefixes after maximum aggregation: 54678
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105486
Unique aggregates announced from the RIPE address blocks: 66635
RIPE Region origin ASes present in the Internet Routing Table: 16596
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8063
RIPE Region transit ASes present in the Internet Routing Table: 2596
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: 630501120
Equivalent to 37 /8s, 148 /16s and 175 /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: 41225
Total LACNIC prefixes after maximum aggregation: 8220
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 43653
Unique aggregates announced from the LACNIC address blocks: 21799
LACNIC Region origin ASes present in the Internet Routing Table: 1593
LACNIC Prefixes per ASN: 27.40
LACNIC Region origin ASes announcing only one prefix: 441
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: 109888000
Equivalent to 6 /8s, 140 /16s and 194 /24s
Percentage of available LACNIC address space announced: 65.5
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: 9292
Total AfriNIC prefixes after maximum aggregation: 2164
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 9738
Unique aggregates announced from the AfriNIC address blocks: 3274
AfriNIC Region origin ASes present in the Internet Routing Table: 546
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 167
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: 39788288
Equivalent to 2 /8s, 95 /16s and 31 /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 1986 11105 740 Korea Telecom (KIX)
17974 1829 530 81 PT Telekomunikasi Indonesia
7545 1678 301 85 TPG Internet Pty Ltd
4755 1568 384 152 TATA Communications formerly
9829 1300 1085 28 National Internet Backbone
9583 1175 87 502 Sify Limited
7552 1112 1062 11 Vietel Corporation
24560 1028 385 163 Bharti Airtel Ltd., Telemedia
9498 966 291 64 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 3287 1016 171 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
1785 1919 681 131 PaeTec Communications, Inc.
22773 1645 2911 121 Cox Communications Inc.
20115 1643 1570 613 Charter Communications
4323 1570 1059 384 tw telecom holdings, inc.
30036 1427 265 753 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 1632 544 16 Corbina telecom
2118 1226 97 14 EUnet/RELCOM Autonomous Syste
12479 723 708 86 France Telecom Espana SA
34984 708 188 171 BILISIM TELEKOM
31148 685 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 1932 342 205 Types of queries are: POCs, o
28573 1904 1183 66 Types of queries are: POCs, o
6503 1519 418 67 Axtel, S.A.B. de C.V.
7303 1438 901 194 Telecom Argentina S.A.
8151 1345 3049 332 Uninet S.A. de C.V.
26615 901 760 31 Tim Celular S.A.
27947 681 74 87 Telconet S.A
11172 648 107 75 Alestra, S. de R.L. de C.V.
3816 586 246 97 Types of queries are: POCs, o
22047 583 326 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
8452 1293 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 3287 1016 171 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
4766 1986 11105 740 Korea Telecom (KIX)
10620 1932 342 205 Types of queries are: POCs, o
1785 1919 681 131 PaeTec Communications, Inc.
28573 1904 1183 66 Types of queries are: POCs, o
17974 1829 530 81 PT Telekomunikasi Indonesia
7545 1678 301 85 TPG Internet Pty Ltd
22773 1645 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 3287 3116 Windstream Communications Inc
18566 2092 1911 Covad Communications Co.
28573 1904 1838 Types of queries are: POCs, o
1785 1919 1788 PaeTec Communications, Inc.
17974 1829 1748 PT Telekomunikasi Indonesia
10620 1932 1727 Types of queries are: POCs, o
8402 1632 1616 Corbina telecom
7545 1678 1593 TPG Internet Pty Ltd
22773 1645 1524 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
5.63.0.0/21 30981 Horizon Satellite Services FZ
5.63.64.0/18 9198 Kazakhtelecom Data Network Ad
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
/13:459 /14:829 /15:1502 /16:12252 /17:6275 /18:10549
/19:20649 /20:29412 /21:30757 /22:40223 /23:38120 /24:214153
/25:11 /26:19 /27:18 /28:145 /29:139 /30:71
/31:0 /32:124
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2644 3287 Windstream Communications Inc
18566 2041 2092 Covad Communications Co.
6389 1878 3409 BellSouth.net Inc.
30036 1367 1427 Mediacom Communications Corp
8402 1330 1632 Corbina telecom
11492 1152 1189 CABLE ONE, INC.
22773 1077 1645 Cox Communications Inc.
8452 1066 1293 TEDATA
6503 1058 1519 Axtel, S.A.B. de C.V.
1785 1032 1919 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:554 2:688 3:1 4:13 5:50 6:3
8:424 12:1981 13:1 14:607 15:12 16:3
17:5 20:23 23:176 24:1773 27:1302 31:999
32:51 33:2 34:2 36:9 37:703 38:805
40:125 41:3150 42:135 44:3 46:1425 47:2
49:398 50:557 52:13 54:12 55:10 56:1
57:29 58:910 59:494 60:251 61:1110 62:1008
63:2005 64:4226 65:2247 66:4440 67:2009 68:1158
69:3175 70:949 71:508 72:1824 74:2594 75:472
76:328 77:946 78:976 79:490 80:1219 81:940
82:672 83:543 84:507 85:1176 86:437 87:924
88:336 89:1718 90:293 91:4913 92:556 93:1352
94:1600 95:1212 96:364 97:315 98:893 99:35
100:7 101:255 103:1117 106:103 107:186 108:313
109:1377 110:764 111:920 112:408 113:601 114:623
115:835 116:929 117:704 118:910 119:1193 120:351
121:676 122:1633 123:1100 124:1325 125:1246 128:528
129:191 130:244 131:629 132:283 133:22 134:233
135:61 136:214 137:237 138:357 139:185 140:468
141:250 142:396 143:366 144:529 145:72 146:505
147:292 148:753 149:312 150:155 151:176 152:467
153:174 154:13 155:464 156:219 157:336 158:188
159:504 160:348 161:244 162:346 163:179 164:630
165:404 166:590 167:473 168:858 169:126 170:881
171:136 172:4 173:1771 174:603 175:423 176:542
177:817 178:1421 180:1226 181:91 182:1029 183:227
184:532 185:1 186:2323 187:1123 188:1338 189:1836
190:5577 192:5962 193:5518 194:4539 195:3387 196:1226
197:150 198:3620 199:4731 200:5783 201:1951 202:8343
203:8450 204:4266 205:2511 206:2684 207:2727 208:4014
209:3597 210:2709 211:1525 212:2039 213:1932 214:871
215:89 216:5073 217:1571 218:538 219:305 220:1231
221:553 222:287 223:301
End of report
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