* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 22 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 470364
Prefixes after maximum aggregation: 189277
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 233235
Total ASes present in the Internet Routing Table: 41234
Prefixes per ASN: 11.41
Origin-only ASes present in the Internet Routing Table: 35285
Origin ASes announcing only one prefix: 16287
Transit ASes present in the Internet Routing Table: 5942
Transit-only ASes present in the Internet Routing Table: 162
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 317
Unregistered ASNs in the Routing Table: 181
Number of 32-bit ASNs allocated by the RIRs: 5229
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12573
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 787
Number of addresses announced to Internet: 2648702644
Equivalent to 157 /8s, 223 /16s and 254 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 164614
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111296
Total APNIC prefixes after maximum aggregation: 33812
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113397
Unique aggregates announced from the APNIC address blocks: 46895
APNIC Region origin ASes present in the Internet Routing Table: 4874
APNIC Prefixes per ASN: 23.27
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 837
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 728185280
Equivalent to 43 /8s, 103 /16s and 57 /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: 163580
Total ARIN prefixes after maximum aggregation: 81564
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 163949
Unique aggregates announced from the ARIN address blocks: 75950
ARIN Region origin ASes present in the Internet Routing Table: 15908
ARIN Prefixes per ASN: 10.31
ARIN Region origin ASes announcing only one prefix: 6017
ARIN Region transit ASes present in the Internet Routing Table: 1666
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1073155968
Equivalent to 63 /8s, 247 /16s and 15 /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: 118917
Total RIPE prefixes after maximum aggregation: 61290
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122586
Unique aggregates announced from the RIPE address blocks: 79056
RIPE Region origin ASes present in the Internet Routing Table: 17504
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8295
RIPE Region transit ASes present in the Internet Routing Table: 2835
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656568676
Equivalent to 39 /8s, 34 /16s and 113 /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: 52212
Total LACNIC prefixes after maximum aggregation: 9951
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 57378
Unique aggregates announced from the LACNIC address blocks: 26697
LACNIC Region origin ASes present in the Internet Routing Table: 2039
LACNIC Prefixes per ASN: 28.14
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 378
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140894224
Equivalent to 8 /8s, 101 /16s and 224 /24s
Percentage of available LACNIC address space announced: 84.0
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: 11612
Total AfriNIC prefixes after maximum aggregation: 2552
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12267
Unique aggregates announced from the AfriNIC address blocks: 3982
AfriNIC Region origin ASes present in the Internet Routing Table: 658
AfriNIC Prefixes per ASN: 18.64
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 137
Average AfriNIC Region AS path length visible: 4.7
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: 47781632
Equivalent to 2 /8s, 217 /16s and 23 /24s
Percentage of available AfriNIC address space announced: 47.5
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
4766 2945 11563 946 Korea Telecom (KIX)
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2089 319 111 TPG Internet Pty Ltd
4755 1780 391 187 TATA Communications formerly
9829 1554 1241 43 BSNL National Internet Backbo
9498 1207 309 74 BHARTI Airtel Ltd.
9583 1186 90 513 Sify Limited
4808 1165 2133 342 CNCGROUP IP network: China169
7552 1156 1080 13 Vietel Corporation
24560 1090 380 163 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/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 2182 2943 140 Cox Communications, Inc.
18566 2059 379 180 Covad Communications
1785 2033 682 132 PaeTec Communications, Inc.
20115 1681 1653 612 Charter Communications
4323 1618 1104 422 Time Warner Telecom
701 1510 11145 785 UUNET Technologies, Inc.
30036 1392 314 570 Mediacom Communications Corp
7018 1331 17522 860 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1896 544 17 OJSC "Vimpelcom"
34984 1361 244 219 TELLCOM ILETISIM HIZMETLERI A
20940 1063 388 816 Akamai Technologies European
31148 996 44 18 FreeNet ISP
6830 892 2332 425 UPC Distribution Services
13188 880 99 62 TOV "Bank-Inform"
8551 758 370 41 Bezeq International
12479 687 799 49 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband Limited
34744 515 157 53 SC GVM SISTEM 2003 SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3398 1770 94 NET Servicos de Comunicao S.A
10620 2606 424 245 TVCABLE BOGOTA
7303 1723 1135 236 Telecom Argentina Stet-France
18881 1473 844 20 Global Village Telecom
8151 1347 2823 416 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 841 93 91 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 788 434 62 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/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 882 337 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 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 223 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3398 1770 94 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
4766 2945 11563 946 Korea Telecom (KIX)
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2606 424 245 TVCABLE BOGOTA
22773 2182 2943 140 Cox Communications, Inc.
7545 2089 319 111 TPG Internet Pty Ltd
18566 2059 379 180 Covad Communications
1785 2033 682 132 PaeTec Communications, Inc.
8402 1896 544 17 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/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 2606 2361 TVCABLE BOGOTA
22773 2182 2042 Cox Communications, Inc.
4766 2945 1999 Korea Telecom (KIX)
7545 2089 1978 TPG Internet Pty Ltd
1785 2033 1901 PaeTec Communications, Inc.
18566 2059 1879 Covad Communications
8402 1896 1879 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/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
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
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/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.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 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/current/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 /8:16 /9:11 /10:31 /11:92 /12:251
/13:481 /14:916 /15:1626 /16:12823 /17:6711 /18:11251
/19:22950 /20:32656 /21:35349 /22:50053 /23:43207 /24:249432
/25:880 /26:995 /27:473 /28:48 /29:80 /30:18
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2059 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1594 1896 OJSC "Vimpelcom"
22773 1449 2182 Cox Communications, Inc.
30036 1241 1392 Mediacom Communications Corp
11492 1195 1236 Cable One
1785 1089 2033 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 966 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:856 2:858 3:3 4:17 5:989 6:20
8:614 12:1888 13:3 14:880 15:11 16:3
17:17 18:19 20:21 23:491 24:1708 27:1625
31:1485 32:45 33:2 34:5 36:82 37:1830
38:917 39:4 40:181 41:3193 42:248 44:12
46:2029 47:6 49:678 50:839 52:12 54:39
55:3 56:2 57:26 58:1168 59:574 60:358
61:1481 62:1166 63:1977 64:4564 65:2347 66:4152
67:2166 68:1098 69:3294 70:874 71:495 72:2014
74:2574 75:328 76:306 77:1168 78:1085 79:653
80:1330 81:1017 82:626 83:585 84:617 85:1231
86:455 87:1010 88:563 89:1743 90:155 91:5660
92:613 93:1610 94:2021 95:1617 96:508 97:344
98:1049 99:43 100:31 101:617 103:3449 105:524
106:141 107:211 108:512 109:1919 110:978 111:1097
112:584 113:809 114:742 115:1040 116:984 117:830
118:1164 119:1291 120:378 121:747 122:1873 123:1251
124:1373 125:1428 128:642 129:234 130:326 131:666
132:345 133:158 134:681 135:67 136:278 137:242
138:348 139:176 140:199 141:323 142:547 143:416
144:501 145:89 146:519 147:409 148:763 149:353
150:141 151:601 152:412 153:204 154:49 155:486
156:291 157:423 158:284 159:772 160:356 161:455
162:797 163:227 164:634 165:671 166:258 167:621
168:1039 169:135 170:1118 171:209 172:25 173:1611
174:680 175:510 176:1251 177:2372 178:1937 179:190
180:1578 181:763 182:1338 183:457 184:650 185:941
186:2626 187:1484 188:1885 189:1280 190:7219 192:7089
193:5403 194:4031 195:3327 196:1314 197:1024 198:4749
199:5467 200:6101 201:2539 202:8951 203:8914 204:4559
205:2661 206:2828 207:2886 208:4000 209:3643 210:2988
211:1558 212:2226 213:2020 214:901 215:90 216:5353
217:1694 218:619 219:315 220:1252 221:564 222:325
223:506
End of report
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