Routing Table Report 08:00 +10GMT Wed 16 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464264
Prefixes after maximum aggregation: 187640
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232841
Total ASes present in the Internet Routing Table: 41062
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35253
Origin ASes announcing only one prefix: 16304
Transit ASes present in the Internet Routing Table: 5802
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 170
Number of 32-bit ASNs allocated by the RIRs: 5190
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12353
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 754
Number of addresses announced to Internet: 2668988160
Equivalent to 159 /8s, 21 /16s and 135 /24s
Percentage of available address space announced: 72.1
Percentage of allocated address space announced: 72.1
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: 162051
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107125
Total APNIC prefixes after maximum aggregation: 33046
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109806
Unique aggregates announced from the APNIC address blocks: 46719
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.66
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 814
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: 1
Number of APNIC addresses announced to Internet: 726996736
Equivalent to 43 /8s, 85 /16s and 23 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 161628
Total ARIN prefixes after maximum aggregation: 80975
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162163
Unique aggregates announced from the ARIN address blocks: 75909
ARIN Region origin ASes present in the Internet Routing Table: 15842
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6019
ARIN Region transit ASes present in the Internet Routing Table: 1610
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: 2
Number of ARIN addresses announced to Internet: 1072958208
Equivalent to 63 /8s, 244 /16s and 11 /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: 119128
Total RIPE prefixes after maximum aggregation: 61240
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122706
Unique aggregates announced from the RIPE address blocks: 79029
RIPE Region origin ASes present in the Internet Routing Table: 17466
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8280
RIPE Region transit ASes present in the Internet Routing Table: 2786
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: 1
Number of RIPE addresses announced to Internet: 656463104
Equivalent to 39 /8s, 32 /16s and 213 /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: 51468
Total LACNIC prefixes after maximum aggregation: 9748
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 56459
Unique aggregates announced from the LACNIC address blocks: 26572
LACNIC Region origin ASes present in the Internet Routing Table: 2033
LACNIC Prefixes per ASN: 27.77
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 377
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140481280
Equivalent to 8 /8s, 95 /16s and 147 /24s
Percentage of available LACNIC address space announced: 83.7
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: 11731
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12374
Unique aggregates announced from the AfriNIC address blocks: 3980
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.78
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 1
Number of AfriNIC addresses announced to Internet: 47708416
Equivalent to 2 /8s, 215 /16s and 249 /24s
Percentage of available AfriNIC address space announced: 47.4
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 2713 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 644 Korea Telecom (KIX)
7545 2078 319 112 TPG Internet Pty Ltd
4755 1792 400 183 TATA Communications formerly
9829 1556 1241 43 BSNL National Internet Backbo
9583 1240 94 511 Sify Limited
9498 1210 310 79 BHARTI Airtel Ltd.
7552 1160 1146 10 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1075 2020 311 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 3058 3689 57 BellSouth.net Inc.
22773 2174 2943 141 Cox Communications, Inc.
18566 2063 382 183 Covad Communications
1785 2020 679 126 PaeTec Communications, Inc.
20115 1678 1651 615 Charter Communications
4323 1623 1120 422 Time Warner Telecom
701 1515 11148 790 UUNET Technologies, Inc.
30036 1387 311 569 Mediacom Communications Corp
7018 1340 17523 867 AT&T WorldNet Services
6983 1291 755 576 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 1784 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1071 396 821 Akamai Technologies European
31148 995 44 20 FreeNet ISP
6830 892 2331 426 UPC Distribution Services
13188 875 99 62 TOV "Bank-Inform"
8551 768 370 41 Bezeq International
12479 685 799 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
35228 539 246 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 3381 1772 91 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1472 844 20 Global Village Telecom
8151 1329 2815 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 814 94 91 Telconet S.A
6147 802 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 745 434 63 AVANTEL, 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 881 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 426 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 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 3381 1772 91 NET Servicos de Comunicao S.A
6389 3058 3689 57 BellSouth.net Inc.
17974 2713 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2174 2943 141 Cox Communications, Inc.
4766 2141 11555 644 Korea Telecom (KIX)
7545 2078 319 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
1785 2020 679 126 PaeTec Communications, Inc.
36998 1864 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 3058 3001 BellSouth.net Inc.
17974 2713 2623 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2174 2033 Cox Communications, Inc.
7545 2078 1966 TPG Internet Pty Ltd
1785 2020 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1784 1767 OJSC "Vimpelcom"
4755 1792 1609 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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
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 /12:252
/13:480 /14:914 /15:1626 /16:12797 /17:6729 /18:11159
/19:22968 /20:32618 /21:35178 /22:49443 /23:42604 /24:246700
/25:9 /26:11 /27:11 /28:120 /29:213 /30:142
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3058 BellSouth.net Inc.
8402 1484 1784 OJSC "Vimpelcom"
22773 1444 2174 Cox Communications, Inc.
30036 1240 1387 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1085 2020 PaeTec Communications, Inc.
6983 1032 1291 ITC^Deltacom
22561 963 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:842 2:845 3:3 4:16 5:986 6:20
8:606 12:1893 13:3 14:850 15:11 16:3
17:17 18:19 20:21 23:471 24:1714 27:1615
31:1478 32:40 33:2 34:5 36:81 37:1825
38:908 39:3 40:181 41:3271 42:246 44:14
46:2018 47:7 49:681 50:825 52:12 54:39
55:4 56:2 57:29 58:1090 59:570 60:355
61:1462 62:1192 63:1976 64:4549 65:2344 66:4150
67:2121 68:1098 69:3278 70:871 71:495 72:2017
74:2567 75:326 76:307 77:1130 78:1085 79:650
80:1334 81:1017 82:629 83:587 84:597 85:1222
86:452 87:1025 88:557 89:1738 90:157 91:5642
92:606 93:1605 94:2035 95:1630 96:518 97:343
98:1046 99:39 100:30 101:366 103:3382 105:522
106:143 107:211 108:493 109:1907 110:962 111:1111
112:572 113:788 114:694 115:988 116:973 117:804
118:1173 119:1261 120:366 121:734 122:1794 123:1223
124:1345 125:1430 128:608 129:214 130:310 131:662
132:340 133:158 134:537 135:67 136:277 137:237
138:348 139:176 140:169 141:300 142:532 143:412
144:496 145:96 146:514 147:393 148:692 149:351
150:155 151:614 152:414 153:201 154:51 155:486
156:281 157:375 158:283 159:686 160:354 161:449
162:779 163:206 164:630 165:556 166:258 167:622
168:1037 169:127 170:1113 171:191 172:25 173:1615
174:678 175:494 176:1232 177:2352 178:1924 179:190
180:1566 181:758 182:1330 183:480 184:654 185:942
186:2616 187:1481 188:1873 189:1286 190:7160 192:6997
193:5413 194:4027 195:3321 196:1325 197:1041 198:4682
199:5439 200:6065 201:2527 202:8767 203:8802 204:4461
205:2614 206:2749 207:2850 208:3993 209:3631 210:2893
211:1569 212:2228 213:2017 214:892 215:92 216:5332
217:1688 218:612 219:308 220:1275 221:569 222:324
223:494
End of report