Routing Table Report 08:00 +10GMT Tue 15 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464284
Prefixes after maximum aggregation: 187553
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232705
Total ASes present in the Internet Routing Table: 41037
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35223
Origin ASes announcing only one prefix: 16288
Transit ASes present in the Internet Routing Table: 5808
Transit-only ASes present in the Internet Routing Table: 140
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: 332
Unregistered ASNs in the Routing Table: 176
Number of 32-bit ASNs allocated by the RIRs: 5190
Number of 32-bit ASNs visible in the Routing Table: 6
Prefixes from 32-bit ASNs in the Routing Table: 12357
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 752
Number of addresses announced to Internet: 2668552192
Equivalent to 159 /8s, 14 /16s and 224 /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: 162112
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107069
Total APNIC prefixes after maximum aggregation: 33047
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109772
Unique aggregates announced from the APNIC address blocks: 46741
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: 1245
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 3.8
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: 727012352
Equivalent to 43 /8s, 85 /16s and 84 /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: 161650
Total ARIN prefixes after maximum aggregation: 80958
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162192
Unique aggregates announced from the ARIN address blocks: 75910
ARIN Region origin ASes present in the Internet Routing Table: 15832
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6008
ARIN Region transit ASes present in the Internet Routing Table: 1614
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: 1072786432
Equivalent to 63 /8s, 241 /16s and 108 /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: 119013
Total RIPE prefixes after maximum aggregation: 61188
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122583
Unique aggregates announced from the RIPE address blocks: 78955
RIPE Region origin ASes present in the Internet Routing Table: 17456
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8278
RIPE Region transit ASes present in the Internet Routing Table: 2795
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: 656353024
Equivalent to 39 /8s, 31 /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: 51570
Total LACNIC prefixes after maximum aggregation: 9731
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 56567
Unique aggregates announced from the LACNIC address blocks: 26501
LACNIC Region origin ASes present in the Internet Routing Table: 2029
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 374
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: 1
Number of LACNIC addresses announced to Internet: 140273408
Equivalent to 8 /8s, 92 /16s and 103 /24s
Percentage of available LACNIC address space announced: 83.6
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: 11772
Total AfriNIC prefixes after maximum aggregation: 2532
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 12416
Unique aggregates announced from the AfriNIC address blocks: 3964
AfriNIC Region origin ASes present in the Internet Routing Table: 656
AfriNIC Prefixes per ASN: 18.93
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 47765248
Equivalent to 2 /8s, 216 /16s and 215 /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
17974 2714 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2142 11555 644 Korea Telecom (KIX)
7545 2081 319 112 TPG Internet Pty Ltd
4755 1793 400 183 TATA Communications formerly
9829 1538 1241 43 BSNL National Internet Backbo
9583 1236 93 511 Sify Limited
9498 1209 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 3060 3689 59 BellSouth.net Inc.
22773 2172 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 1634 1120 424 Time Warner Telecom
701 1516 11148 791 UUNET Technologies, Inc.
30036 1385 310 568 Mediacom Communications Corp
7018 1341 17531 867 AT&T WorldNet Services
6983 1292 755 577 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 1778 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1071 397 820 Akamai Technologies European
31148 993 44 20 FreeNet ISP
6830 896 2334 428 UPC Distribution Services
13188 874 99 62 TOV "Bank-Inform"
8551 765 370 41 Bezeq International
12479 688 799 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 3396 1752 90 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1468 844 20 Global Village Telecom
8151 1325 2813 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 813 94 91 Telconet S.A
6147 801 373 27 Telefonica Del Peru
6503 785 434 64 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 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 3396 1752 90 NET Servicos de Comunicao S.A
6389 3060 3689 59 BellSouth.net Inc.
17974 2714 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2172 2943 141 Cox Communications, Inc.
4766 2142 11555 644 Korea Telecom (KIX)
7545 2081 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 3060 3001 BellSouth.net Inc.
17974 2714 2624 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2172 2031 Cox Communications, Inc.
7545 2081 1969 TPG Internet Pty Ltd
1785 2020 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1778 1761 OJSC "Vimpelcom"
4755 1793 1610 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
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,
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 /15:1629 /16:12791 /17:6729 /18:11176
/19:22967 /20:32599 /21:35191 /22:49472 /23:42662 /24:246619
/25:9 /26:11 /27:11 /28:124 /29:216 /30:145
/31:0 /32:135
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 3060 BellSouth.net Inc.
8402 1484 1778 OJSC "Vimpelcom"
22773 1442 2172 Cox Communications, Inc.
30036 1240 1385 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1085 2020 PaeTec Communications, Inc.
6983 1034 1292 ITC^Deltacom
22561 963 1237 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 2:837 3:3 4:16 5:994 6:20
8:606 12:1892 13:3 14:848 15:11 16:3
17:17 18:19 20:21 23:470 24:1713 27:1615
31:1477 32:40 33:2 34:5 36:81 37:1831
38:908 39:3 40:181 41:3280 42:248 44:14
46:2018 47:7 49:683 50:826 52:12 54:39
55:3 56:2 57:29 58:1090 59:569 60:356
61:1414 62:1190 63:1976 64:4547 65:2345 66:4165
67:2121 68:1097 69:3283 70:872 71:495 72:2017
74:2568 75:327 76:307 77:1139 78:1080 79:649
80:1331 81:1020 82:625 83:588 84:596 85:1204
86:453 87:1027 88:557 89:1738 90:155 91:5637
92:606 93:1605 94:2018 95:1635 96:518 97:342
98:1048 99:39 100:30 101:363 103:3405 105:522
106:143 107:211 108:493 109:1904 110:967 111:1130
112:571 113:788 114:691 115:988 116:974 117:801
118:1174 119:1260 120:366 121:733 122:1793 123:1213
124:1343 125:1429 128:600 129:215 130:310 131:661
132:340 133:158 134:536 135:67 136:278 137:237
138:348 139:176 140:169 141:303 142:532 143:410
144:493 145:96 146:511 147:391 148:690 149:352
150:155 151:614 152:414 153:201 154:47 155:486
156:280 157:374 158:283 159:671 160:356 161:449
162:776 163:206 164:627 165:557 166:258 167:618
168:1038 169:126 170:1117 171:189 172:25 173:1615
174:678 175:496 176:1222 177:2347 178:1927 179:189
180:1560 181:757 182:1332 183:481 184:654 185:940
186:2612 187:1499 188:1838 189:1290 190:7176 192:6995
193:5415 194:4028 195:3317 196:1323 197:1070 198:4681
199:5432 200:6061 201:2534 202:8781 203:8817 204:4461
205:2615 206:2748 207:2846 208:3993 209:3628 210:2845
211:1569 212:2228 213:2016 214:903 215:99 216:5339
217:1681 218:612 219:307 220:1276 221:569 222:324
223:494
End of report