Routing Table Report 08:00 +10GMT Fri 26 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444533
Prefixes after maximum aggregation: 182101
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221919
Total ASes present in the Internet Routing Table: 40196
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 34517
Origin ASes announcing only one prefix: 16110
Transit ASes present in the Internet Routing Table: 5671
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 49327) 21
Prefixes from unregistered ASNs in the Routing Table: 891
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 4739
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10087
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 208
Number of addresses announced to Internet: 2634778136
Equivalent to 157 /8s, 11 /16s and 134 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 154388
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103261
Total APNIC prefixes after maximum aggregation: 32034
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105124
Unique aggregates announced from the APNIC address blocks: 44515
APNIC Region origin ASes present in the Internet Routing Table: 4790
APNIC Prefixes per ASN: 21.95
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 785
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719354112
Equivalent to 42 /8s, 224 /16s and 121 /24s
Percentage of available APNIC address space announced: 84.1
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: 157151
Total ARIN prefixes after maximum aggregation: 79394
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157852
Unique aggregates announced from the ARIN address blocks: 72755
ARIN Region origin ASes present in the Internet Routing Table: 15595
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5955
ARIN Region transit ASes present in the Internet Routing Table: 1568
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: 2
Number of ARIN addresses announced to Internet: 1063040768
Equivalent to 63 /8s, 92 /16s and 183 /24s
Percentage of available ARIN address space announced: 56.2
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: 116063
Total RIPE prefixes after maximum aggregation: 58815
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 119608
Unique aggregates announced from the RIPE address blocks: 76220
RIPE Region origin ASes present in the Internet Routing Table: 17130
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2773
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656175384
Equivalent to 39 /8s, 28 /16s and 113 /24s
Percentage of available RIPE address space announced: 95.4
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: 46868
Total LACNIC prefixes after maximum aggregation: 9310
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 50794
Unique aggregates announced from the LACNIC address blocks: 24370
LACNIC Region origin ASes present in the Internet Routing Table: 1891
LACNIC Prefixes per ASN: 26.86
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 344
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 127201280
Equivalent to 7 /8s, 148 /16s and 240 /24s
Percentage of available LACNIC address space announced: 75.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10361
Total AfriNIC prefixes after maximum aggregation: 2508
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10946
Unique aggregates announced from the AfriNIC address blocks: 3865
AfriNIC Region origin ASes present in the Internet Routing Table: 621
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46317312
Equivalent to 2 /8s, 194 /16s and 191 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2512 839 90 PT Telekomunikasi Indonesia
4766 2142 11549 626 Korea Telecom (KIX)
7545 1882 320 108 TPG Internet Pty Ltd
4755 1715 392 198 TATA Communications formerly
9829 1510 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1163 1064 12 Vietel Corporation
9498 1084 310 73 BHARTI Airtel Ltd.
24560 1071 384 165 Bharti Airtel Ltd., Telemedia
4808 1028 2003 300 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 3035 3694 86 BellSouth.net Inc.
7029 2119 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1984 677 124 PaeTec Communications, Inc.
22773 1971 2929 125 Cox Communications Inc.
20115 1667 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1350 299 658 Mediacom Communications Corp
7018 1330 10838 867 AT&T Services, Inc.
11492 1220 225 337 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 1787 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1147 233 205 BILISIM TELEKOM
12479 840 785 66 France Telecom Espana SA
13188 833 99 70 Ukraine
20940 814 286 649 Akamai Technologies European
8551 810 370 43 Bezeq International
31148 792 41 22 FreeNet ISP
6830 776 2377 447 UPC Broadband
34744 654 173 45 SC GVM SISTEM 2003 SRL
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 2669 1456 99 Types of queries are: POCs, o
10620 2381 413 215 Types of queries are: POCs, o
7303 1679 1153 214 Telecom Argentina S.A.
8151 1221 2690 394 Uninet S.A. de C.V.
6503 1064 451 71 Axtel, S.A.B. de C.V.
18881 863 718 21 Global Village Telecom
27947 780 88 97 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 699 307 87 Types of queries are: POCs, o
7738 650 1306 35 Telecomunicacoes da Bahia 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
36998 1201 80 4 MOBITEL
24863 682 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 386 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 Starcomms Nigeria Limited
36992 177 527 21 Etisalat MISR
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 3035 3694 86 BellSouth.net Inc.
28573 2669 1456 99 Types of queries are: POCs, o
17974 2512 839 90 PT Telekomunikasi Indonesia
10620 2381 413 215 Types of queries are: POCs, o
4766 2142 11549 626 Korea Telecom (KIX)
7029 2119 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1984 677 124 PaeTec Communications, Inc.
22773 1971 2929 125 Cox Communications Inc.
7545 1882 320 108 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
28573 2669 2570 Types of queries are: POCs, o
17974 2512 2422 PT Telekomunikasi Indonesia
10620 2381 2166 Types of queries are: POCs, o
7029 2119 1907 Windstream Communications Inc
18566 2064 1882 Covad Communications Co.
1785 1984 1860 PaeTec Communications, Inc.
22773 1971 1846 Cox Communications Inc.
7545 1882 1774 TPG Internet Pty Ltd
8402 1787 1771 Corbina telecom
4755 1715 1517 TATA Communications formerly
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.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7018 AT&T Services, Inc.
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:30 /11:88 /12:250
/13:483 /14:883 /15:1564 /16:12645 /17:6645 /18:10975
/19:21908 /20:31973 /21:33755 /22:46404 /23:41022 /24:235256
/25:9 /26:11 /27:12 /28:140 /29:194 /30:122
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1740 3035 BellSouth.net Inc.
7029 1577 2119 Windstream Communications Inc
8402 1489 1787 Corbina telecom
22773 1280 1971 Cox Communications Inc.
30036 1224 1350 Mediacom Communications Corp
36998 1195 1201 MOBITEL
11492 1179 1220 CABLE ONE, INC.
1785 1056 1984 PaeTec Communications, Inc.
6983 1006 1131 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:743 2:774 3:3 4:12 5:875 6:5
8:544 12:1919 13:3 14:750 15:11 16:3
17:9 20:18 23:271 24:1759 27:1490 31:1220
32:38 33:2 34:5 36:41 37:1802 38:860
39:2 40:171 41:2746 42:185 44:6 46:1803
47:2 49:628 50:673 52:12 54:30 55:10
57:30 58:1058 59:583 60:303 61:1436 62:1043
63:2037 64:4307 65:2173 66:4298 67:2067 68:1117
69:3240 70:874 71:532 72:1955 74:2544 75:416
76:289 77:1076 78:1039 79:583 80:1258 81:983
82:623 83:570 84:518 85:1153 86:404 87:979
88:527 89:1604 90:281 91:5489 92:622 93:1652
94:1821 95:1561 96:521 97:343 98:1048 99:36
100:28 101:316 103:2485 105:504 106:143 107:209
108:498 109:1833 110:860 111:1041 112:501 113:769
114:692 115:1002 116:873 117:783 118:1051 119:1224
120:396 121:813 122:1715 123:1224 124:1302 125:1335
128:600 129:195 130:310 131:647 132:334 133:148
134:246 135:64 136:223 137:245 138:344 139:192
140:179 141:309 142:527 143:372 144:486 145:92
146:502 147:381 148:679 149:370 150:158 151:532
152:417 153:195 154:43 155:391 156:261 157:346
158:275 159:638 160:338 161:402 162:393 163:194
164:584 165:445 166:330 167:581 168:1022 169:132
170:1023 171:176 172:5 173:1609 174:589 175:455
176:1263 177:1850 178:1828 179:3 180:1404 181:406
182:1127 183:373 184:669 185:397 186:2290 187:1313
188:1936 189:1380 190:6194 192:6487 193:5837 194:4652
195:3637 196:1320 197:889 198:4326 199:5240 200:5877
201:2403 202:8711 203:8675 204:4452 205:2543 206:2740
207:2763 208:4049 209:3573 210:2839 211:1544 212:2073
213:1902 214:918 215:98 216:5194 217:1572 218:606
219:331 220:1270 221:553 222:315 223:440
End of report