Routing Table Report 08:00 +10GMT Tue 29 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464780
Prefixes after maximum aggregation: 187513
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232879
Total ASes present in the Internet Routing Table: 45184
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35276
Origin ASes announcing only one prefix: 16299
Transit ASes present in the Internet Routing Table: 5843
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 741
Unregistered ASNs in the Routing Table: 202
Number of 32-bit ASNs allocated by the RIRs: 5264
Number of 32-bit ASNs visible in the Routing Table: 4065
Prefixes from 32-bit ASNs in the Routing Table: 12489
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 858
Number of addresses announced to Internet: 2672712960
Equivalent to 159 /8s, 78 /16s and 93 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 161759
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107205
Total APNIC prefixes after maximum aggregation: 33083
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109917
Unique aggregates announced from the APNIC address blocks: 46909
APNIC Region origin ASes present in the Internet Routing Table: 4844
APNIC Prefixes per ASN: 22.69
APNIC Region origin ASes announcing only one prefix: 1228
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 722
Number of APNIC addresses announced to Internet: 728345856
Equivalent to 43 /8s, 105 /16s and 173 /24s
Percentage of available APNIC address space announced: 85.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161326
Total ARIN prefixes after maximum aggregation: 80999
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162356
Unique aggregates announced from the ARIN address blocks: 75810
ARIN Region origin ASes present in the Internet Routing Table: 15859
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6014
ARIN Region transit ASes present in the Internet Routing Table: 1622
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 28
Number of ARIN addresses announced to Internet: 1073106432
Equivalent to 63 /8s, 246 /16s and 78 /24s
Percentage of available ARIN address space announced: 56.8
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, 62464-63487, 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: 118764
Total RIPE prefixes after maximum aggregation: 60961
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122353
Unique aggregates announced from the RIPE address blocks: 78698
RIPE Region origin ASes present in the Internet Routing Table: 17493
RIPE Prefixes per ASN: 6.99
RIPE Region origin ASes announcing only one prefix: 8303
RIPE Region transit ASes present in the Internet Routing Table: 2810
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: 2434
Number of RIPE addresses announced to Internet: 656549632
Equivalent to 39 /8s, 34 /16s and 39 /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, 61952-62463, 196608-200191
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: 52046
Total LACNIC prefixes after maximum aggregation: 9781
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 56943
Unique aggregates announced from the LACNIC address blocks: 26731
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 28.08
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 379
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 875
Number of LACNIC addresses announced to Internet: 141052416
Equivalent to 8 /8s, 104 /16s and 74 /24s
Percentage of available LACNIC address space announced: 84.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11707
Total AfriNIC prefixes after maximum aggregation: 2564
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12351
Unique aggregates announced from the AfriNIC address blocks: 4001
AfriNIC Region origin ASes present in the Internet Routing Table: 668
AfriNIC Prefixes per ASN: 18.49
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 6
Number of AfriNIC addresses announced to Internet: 48047360
Equivalent to 2 /8s, 221 /16s and 37 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2715 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2088 319 112 TPG Internet Pty Ltd
4755 1796 400 183 TATA Communications formerly
9829 1558 1242 46 BSNL National Internet Backbo
9583 1242 94 511 Sify Limited
9498 1194 310 78 BHARTI Airtel Ltd.
7552 1146 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1077 2022 313 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 3059 3689 58 BellSouth.net Inc.
22773 2187 2941 140 Cox Communications, Inc.
18566 2056 379 179 MegaPath Corporation
1785 2035 684 130 PaeTec Communications, Inc.
20115 1682 1653 606 Charter Communications
4323 1621 1117 419 Time Warner Telecom
701 1507 11145 784 MCI Communications Services,
30036 1390 313 575 Mediacom Communications Corp
7018 1345 17795 875 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom
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 1788 544 17 OJSC "Vimpelcom"
34984 1362 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1095 399 836 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 884 99 58 TOV "Bank-Inform"
6830 773 2328 426 UPC Distribution Services
8551 765 370 41 Bezeq International
12479 687 800 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
35228 540 246 16 Avatar Broadband Limited
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 3483 1780 88 NET Servicos de Comunicao S.A
10620 2633 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1501 844 20 Global Village Telecom
8151 1335 2838 409 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 819 94 93 Telconet S.A
6147 794 373 27 Telefonica Del Peru
6503 784 434 63 AVANTEL, S.A.
7738 780 1498 36 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 226 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
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
28573 3483 1780 88 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2633 427 234 TVCABLE BOGOTA
22773 2187 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2088 319 112 TPG Internet Pty Ltd
18566 2056 379 179 MegaPath Corporation
1785 2035 684 130 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3059 3001 BellSouth.net Inc.
17974 2715 2626 PT TELEKOMUNIKASI INDONESIA
10620 2633 2399 TVCABLE BOGOTA
22773 2187 2047 Cox Communications, Inc.
7545 2088 1976 TPG Internet Pty Ltd
1785 2035 1905 PaeTec Communications, Inc.
18566 2056 1877 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1788 1771 OJSC "Vimpelcom"
4755 1796 1613 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
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
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 IANA Private Address Space
10.1.1.48/29 0 *
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /9:11 /10:32 /11:92 /12:254
/13:478 /14:920 /15:1628 /16:12814 /17:6738 /18:11237
/19:22947 /20:32726 /21:35247 /22:49488 /23:42880 /24:246640
/25:9 /26:11 /27:12 /28:121 /29:208 /30:145
/31:0 /32:125
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2056 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1495 1788 OJSC "Vimpelcom"
22773 1453 2187 Cox Communications, Inc.
30036 1238 1390 Mediacom Communications Corp
11492 1197 1238 Cable One
1785 1085 2035 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:849 2:863 3:3 4:16 5:999 6:21
8:604 12:1891 13:3 14:861 15:11 16:3
17:17 18:19 20:21 23:493 24:1737 27:1608
31:1494 32:40 33:2 34:5 36:81 37:1858
38:913 39:4 40:181 41:3225 42:229 44:14
46:2016 47:10 49:682 50:827 52:12 54:39
55:5 56:2 57:29 58:1076 59:571 60:361
61:1452 62:1211 63:1980 64:4546 65:2341 66:4134
67:2112 68:1105 69:3250 70:872 71:490 72:2019
74:2560 75:328 76:307 77:1133 78:1054 79:648
80:1297 81:1018 82:654 83:635 84:583 85:1234
86:392 87:1014 88:563 89:1585 90:155 91:5662
92:619 93:1588 94:2020 95:1609 96:508 97:344
98:1045 99:39 100:30 101:368 103:3489 105:525
106:142 107:213 108:507 109:1904 110:959 111:1095
112:581 113:803 114:723 115:995 116:966 117:812
118:1107 119:1265 120:358 121:736 122:1785 123:1251
124:1312 125:1436 128:602 129:217 130:314 131:660
132:341 133:158 134:543 135:67 136:278 137:266
138:348 139:174 140:168 141:320 142:527 143:414
144:496 145:88 146:514 147:398 148:698 149:355
150:157 151:590 152:410 153:205 154:51 155:488
156:283 157:374 158:282 159:683 160:356 161:448
162:809 163:206 164:631 165:568 166:259 167:626
168:1039 169:127 170:1127 171:180 172:25 173:1587
174:671 175:499 176:1250 177:2347 178:1932 179:192
180:1575 181:785 182:1331 183:451 184:662 185:954
186:2653 187:1486 188:1828 189:1261 190:7173 192:7020
193:5404 194:4038 195:3315 196:1328 197:1066 198:4691
199:5452 200:6079 201:2527 202:8777 203:8796 204:4457
205:2616 206:2755 207:2792 208:4008 209:3623 210:2891
211:1562 212:2149 213:1985 214:897 215:92 216:5356
217:1695 218:616 219:309 220:1276 221:578 222:323
223:497
End of report
