* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 11 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408468
Prefixes after maximum aggregation: 173628
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202453
Total ASes present in the Internet Routing Table: 38753
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33379
Origin ASes announcing only one prefix: 15729
Transit ASes present in the Internet Routing Table: 5374
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: 27
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1144
Unregistered ASNs in the Routing Table: 173
Number of 32-bit ASNs allocated by the RIRs: 2958
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6666
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2583568384
Equivalent to 153 /8s, 254 /16s and 32 /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: 140188
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95649
Total APNIC prefixes after maximum aggregation: 31161
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 96704
Unique aggregates announced from the APNIC address blocks: 42029
APNIC Region origin ASes present in the Internet Routing Table: 4675
APNIC Prefixes per ASN: 20.69
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 723
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: 701973504
Equivalent to 41 /8s, 215 /16s and 68 /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: 150939
Total ARIN prefixes after maximum aggregation: 77043
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 152012
Unique aggregates announced from the ARIN address blocks: 68305
ARIN Region origin ASes present in the Internet Routing Table: 15139
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5756
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 1070938624
Equivalent to 63 /8s, 213 /16s and 58 /24s
Percentage of available ARIN address space announced: 56.7
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: 103904
Total RIPE prefixes after maximum aggregation: 55029
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106064
Unique aggregates announced from the RIPE address blocks: 66967
RIPE Region origin ASes present in the Internet Routing Table: 16640
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8091
RIPE Region transit ASes present in the Internet Routing Table: 2632
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 635186176
Equivalent to 37 /8s, 220 /16s and 44 /24s
Percentage of available RIPE address space announced: 92.3
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: 8224
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 43965
Unique aggregates announced from the LACNIC address blocks: 21764
LACNIC Region origin ASes present in the Internet Routing Table: 1595
LACNIC Prefixes per ASN: 27.56
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 303
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: 112086528
Equivalent to 6 /8s, 174 /16s and 78 /24s
Percentage of available LACNIC address space announced: 66.8
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: 9119
Total AfriNIC prefixes after maximum aggregation: 2116
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 9561
Unique aggregates announced from the AfriNIC address blocks: 3247
AfriNIC Region origin ASes present in the Internet Routing Table: 553
AfriNIC Prefixes per ASN: 17.29
AfriNIC Region origin ASes announcing only one prefix: 174
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: 40668928
Equivalent to 2 /8s, 108 /16s and 143 /24s
Percentage of available AfriNIC address space announced: 40.4
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 2140 558 79 PT Telekomunikasi Indonesia
4766 2005 11108 770 Korea Telecom (KIX)
7545 1687 301 88 TPG Internet Pty Ltd
4755 1594 387 160 TATA Communications formerly
9829 1303 1085 28 National Internet Backbone
9583 1167 88 508 Sify Limited
7552 1078 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 981 291 67 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 3331 998 177 Windstream Communications Inc
18566 2089 382 181 Covad Communications Co.
1785 1934 681 131 PaeTec Communications, Inc.
22773 1661 2911 121 Cox Communications Inc.
20115 1650 1573 616 Charter Communications
4323 1571 1059 383 tw telecom holdings, inc.
30036 1383 264 783 Mediacom Communications Corp
7018 1258 10076 825 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 1590 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 793 741 92 France Telecom Espana SA
34984 728 189 174 BILISIM TELEKOM
6830 708 2292 442 UPC Broadband
31148 700 37 9 FreeNet ISP
20940 658 214 520 Akamai Technologies European
8551 604 364 61 Bezeq International
9116 511 326 31 Goldenlines main autonomous s
13188 501 100 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 1983 345 205 Types of queries are: POCs, o
28573 1982 1214 55 Types of queries are: POCs, o
6503 1520 434 69 Axtel, S.A.B. de C.V.
7303 1454 934 194 Telecom Argentina S.A.
8151 1348 3047 339 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 575 66 64 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 1159 958 13 TEDATA
24863 862 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 181 12 18 Starcomms Nigeria Limited
29975 167 571 19 Vodacom
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 3331 998 177 Windstream Communications Inc
17974 2140 558 79 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
4766 2005 11108 770 Korea Telecom (KIX)
10620 1983 345 205 Types of queries are: POCs, o
28573 1982 1214 55 Types of queries are: POCs, o
1785 1934 681 131 PaeTec Communications, Inc.
7545 1687 301 88 TPG Internet Pty Ltd
22773 1661 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 3331 3154 Windstream Communications Inc
17974 2140 2061 PT Telekomunikasi Indonesia
28573 1982 1927 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1934 1803 PaeTec Communications, Inc.
10620 1983 1778 Types of queries are: POCs, o
7545 1687 1599 TPG Internet Pty Ltd
8402 1590 1574 Corbina telecom
22773 1661 1540 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
5.134.128.0/18 51074 Gostaresh Ertebatate Mabna Co
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
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
/13:469 /14:840 /15:1519 /16:12253 /17:6350 /18:10657
/19:20699 /20:29602 /21:31059 /22:40458 /23:38788 /24:214818
/25:11 /26:22 /27:19 /28:148 /29:149 /30:84
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2670 3331 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1868 3390 BellSouth.net Inc.
30036 1320 1383 Mediacom Communications Corp
8402 1288 1590 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1092 1661 Cox Communications Inc.
6503 1051 1520 Axtel, S.A.B. de C.V.
1785 1044 1934 PaeTec Communications, Inc.
8452 934 1159 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:529 2:704 3:1 4:13 5:111 6:3
8:433 12:1977 13:1 14:625 15:12 16:3
17:5 20:24 23:184 24:1787 27:1308 31:1028
32:51 33:2 34:2 36:8 37:593 38:817
39:1 40:128 41:3011 42:141 44:3 46:1533
47:2 49:418 50:545 52:13 54:13 55:6
56:1 57:31 58:915 59:524 60:244 61:1226
62:928 63:2030 64:4233 65:2238 66:4478 67:2005
68:1145 69:3179 70:980 71:510 72:1836 74:2597
75:475 76:333 77:922 78:891 79:488 80:1225
81:950 82:665 83:527 84:498 85:1135 86:434
87:934 88:355 89:1677 90:300 91:5020 92:581
93:1326 94:1564 95:1215 96:375 97:317 98:891
99:35 100:19 101:250 103:1217 106:115 107:188
108:349 109:1437 110:775 111:935 112:409 113:595
114:644 115:884 116:893 117:708 118:902 119:1159
120:343 121:785 122:1629 123:1089 124:1307 125:1266
128:519 129:180 130:253 131:629 132:293 133:22
134:236 135:61 136:217 137:236 138:337 139:173
140:469 141:243 142:412 143:366 144:528 145:77
146:512 147:290 148:748 149:318 150:146 151:183
152:472 153:176 154:16 155:450 156:220 157:337
158:192 159:544 160:341 161:245 162:378 163:180
164:659 165:409 166:585 167:475 168:904 169:125
170:896 171:146 172:5 173:1733 174:595 175:425
176:554 177:935 178:1533 180:1262 181:101 182:1007
183:241 184:533 186:1925 187:1082 188:1353 189:1587
190:5770 192:5978 193:5528 194:4535 195:3433 196:1202
197:170 198:3634 199:4803 200:5827 201:1984 202:8426
203:8543 204:4271 205:2509 206:2686 207:2741 208:4035
209:3607 210:2715 211:1536 212:1951 213:1833 214:889
215:83 216:5065 217:1554 218:540 219:321 220:1223
221:551 222:302 223:338
End of report
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