* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 03 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463464
Prefixes after maximum aggregation: 187451
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232049
Total ASes present in the Internet Routing Table: 40997
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35202
Origin ASes announcing only one prefix: 16294
Transit ASes present in the Internet Routing Table: 5788
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 884
Unregistered ASNs in the Routing Table: 253
Number of 32-bit ASNs allocated by the RIRs: 5129
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12030
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 653
Number of addresses announced to Internet: 2668337920
Equivalent to 159 /8s, 11 /16s and 155 /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: 95.0
Total number of prefixes smaller than registry allocations: 161501
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107256
Total APNIC prefixes after maximum aggregation: 32980
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109922
Unique aggregates announced from the APNIC address blocks: 46597
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 810
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 727226880
Equivalent to 43 /8s, 88 /16s and 154 /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: 161355
Total ARIN prefixes after maximum aggregation: 81013
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161930
Unique aggregates announced from the ARIN address blocks: 75776
ARIN Region origin ASes present in the Internet Routing Table: 15831
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6022
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1072840960
Equivalent to 63 /8s, 242 /16s and 65 /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: 119039
Total RIPE prefixes after maximum aggregation: 61193
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122607
Unique aggregates announced from the RIPE address blocks: 78866
RIPE Region origin ASes present in the Internet Routing Table: 17443
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8270
RIPE Region transit ASes present in the Internet Routing Table: 2785
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: 656635392
Equivalent to 39 /8s, 35 /16s and 118 /24s
Percentage of available RIPE address space announced: 95.5
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: 51265
Total LACNIC prefixes after maximum aggregation: 9642
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 56031
Unique aggregates announced from the LACNIC address blocks: 26238
LACNIC Region origin ASes present in the Internet Routing Table: 2014
LACNIC Prefixes per ASN: 27.82
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 371
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139817984
Equivalent to 8 /8s, 85 /16s and 116 /24s
Percentage of available LACNIC address space announced: 83.3
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: 11704
Total AfriNIC prefixes after maximum aggregation: 2541
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12319
Unique aggregates announced from the AfriNIC address blocks: 4002
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.69
AfriNIC Region origin ASes announcing only one prefix: 191
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: 1
Number of AfriNIC addresses announced to Internet: 47734272
Equivalent to 2 /8s, 216 /16s and 94 /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 2697 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2144 11555 644 Korea Telecom (KIX)
7545 2073 321 112 TPG Internet Pty Ltd
4755 1805 403 191 TATA Communications formerly
9829 1548 1236 41 BSNL National Internet Backbo
9583 1235 93 510 Sify Limited
9498 1198 309 73 BHARTI Airtel Ltd.
7552 1153 1080 13 Vietel Corporation
24560 1090 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 3062 3689 59 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2058 2943 141 Cox Communications, Inc.
1785 2018 679 125 PaeTec Communications, Inc.
20115 1680 1651 625 Charter Communications
4323 1624 1120 420 Time Warner Telecom
701 1519 11149 793 UUNET Technologies, Inc.
7018 1353 17516 862 AT&T WorldNet Services
30036 1329 299 644 Mediacom Communications Corp
6983 1293 756 578 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 1680 544 17 OJSC "Vimpelcom"
34984 1365 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1043 387 803 Akamai Technologies European
31148 990 43 19 FreeNet ISP
6830 890 2364 424 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 759 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 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 3351 1733 92 NET Servicos de Comunicao S.A
10620 2583 421 245 TVCABLE BOGOTA
7303 1723 1134 233 Telecom Argentina Stet-France
18881 1439 844 20 Global Village Telecom
8151 1324 2801 411 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 844 434 64 AVANTEL, S.A.
27947 811 94 92 Telconet S.A
6147 799 373 27 Telefonica Del Peru
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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 883 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 418 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 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 3351 1733 92 NET Servicos de Comunicao S.A
6389 3062 3689 59 BellSouth.net Inc.
17974 2697 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2583 421 245 TVCABLE BOGOTA
4766 2144 11555 644 Korea Telecom (KIX)
7545 2073 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2058 2943 141 Cox Communications, Inc.
1785 2018 679 125 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 3062 3003 BellSouth.net Inc.
17974 2697 2607 PT TELEKOMUNIKASI INDONESIA
10620 2583 2338 TVCABLE BOGOTA
7545 2073 1961 TPG Internet Pty Ltd
22773 2058 1917 Cox Communications, Inc.
1785 2018 1893 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1680 1663 OJSC "Vimpelcom"
4755 1805 1614 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 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 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
14764 UNALLOCATED 12.108.237.0/24 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.
23.91.96.0/20 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
23.91.168.0/22 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
/13:478 /14:910 /15:1627 /16:12793 /17:6708 /18:11142
/19:22908 /20:32577 /21:35106 /22:49219 /23:42607 /24:246347
/25:9 /26:11 /27:10 /28:128 /29:210 /30:138
/31:0 /32:132
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 1711 3062 BellSouth.net Inc.
8402 1455 1680 OJSC "Vimpelcom"
22773 1330 2058 Cox Communications, Inc.
11492 1193 1234 Cable One
30036 1187 1329 Mediacom Communications Corp
1785 1084 2018 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 960 1235 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:841 2:860 3:3 4:16 5:989 6:19
8:606 12:1895 13:3 14:844 15:11 16:3
17:14 18:19 20:21 23:437 24:1707 27:1593
31:1486 32:40 33:2 34:5 36:81 37:1820
38:899 39:3 40:179 41:3273 42:248 44:13
46:2022 47:6 49:677 50:827 52:12 54:39
55:3 57:29 58:1087 59:638 60:348 61:1484
62:1185 63:1971 64:4541 65:2348 66:4184 67:2077
68:1088 69:3317 70:858 71:493 72:1983 74:2554
75:329 76:304 77:1135 78:1037 79:645 80:1346
81:1021 82:632 83:583 84:592 85:1276 86:455
87:1015 88:553 89:1723 90:155 91:5639 92:612
93:1617 94:1975 95:1616 96:516 97:342 98:1041
99:40 100:30 101:361 103:3321 105:520 106:143
107:210 108:491 109:1884 110:958 111:1122 112:573
113:801 114:687 115:1046 116:971 117:801 118:1164
119:1262 120:356 121:843 122:1794 123:1249 124:1347
125:1422 128:531 129:302 130:308 131:641 132:342
133:162 134:536 135:67 136:274 137:259 138:350
139:178 140:155 141:312 142:533 143:417 144:498
145:102 146:509 147:392 148:688 149:350 150:157
151:601 152:412 153:199 154:47 155:486 156:278
157:372 158:285 159:681 160:348 161:443 162:724
163:206 164:630 165:566 166:258 167:622 168:1040
169:127 170:1081 171:200 172:25 173:1608 174:664
175:489 176:1226 177:2260 178:1902 179:146 180:1550
181:744 182:1321 183:477 184:655 185:911 186:2544
187:1476 188:1879 189:1336 190:7077 192:6904 193:5620
194:4073 195:3329 196:1328 197:1059 198:4617 199:5436
200:6032 201:2548 202:8789 203:8828 204:4438 205:2597
206:2762 207:2834 208:4001 209:3601 210:2846 211:1562
212:2280 213:2021 214:903 215:99 216:5350 217:1671
218:612 219:336 220:1275 221:566 222:324 223:491
End of report
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