* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Tue 19 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466413
Prefixes after maximum aggregation: 187923
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234327
Total ASes present in the Internet Routing Table: 45325
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35369
Origin ASes announcing only one prefix: 16282
Transit ASes present in the Internet Routing Table: 5798
Transit-only ASes present in the Internet Routing Table: 149
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 864
Unregistered ASNs in the Routing Table: 244
Number of 32-bit ASNs allocated by the RIRs: 5363
Number of 32-bit ASNs visible in the Routing Table: 4158
Prefixes from 32-bit ASNs in the Routing Table: 12996
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1089
Number of addresses announced to Internet: 2652485984
Equivalent to 158 /8s, 25 /16s and 185 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.2
Total number of prefixes smaller than registry allocations: 163126
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107538
Total APNIC prefixes after maximum aggregation: 33273
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109745
Unique aggregates announced from the APNIC address blocks: 47476
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.66
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 814
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 743
Number of APNIC addresses announced to Internet: 728231936
Equivalent to 43 /8s, 103 /16s and 240 /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: 161938
Total ARIN prefixes after maximum aggregation: 81163
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162507
Unique aggregates announced from the ARIN address blocks: 75940
ARIN Region origin ASes present in the Internet Routing Table: 15863
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6004
ARIN Region transit ASes present in the Internet Routing Table: 1603
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 37
Number of ARIN addresses announced to Internet: 1072790272
Equivalent to 63 /8s, 241 /16s and 123 /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: 118927
Total RIPE prefixes after maximum aggregation: 60934
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122874
Unique aggregates announced from the RIPE address blocks: 78923
RIPE Region origin ASes present in the Internet Routing Table: 17494
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8285
RIPE Region transit ASes present in the Internet Routing Table: 2785
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2476
Number of RIPE addresses announced to Internet: 656257632
Equivalent to 39 /8s, 29 /16s and 178 /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: 52657
Total LACNIC prefixes after maximum aggregation: 9795
LACNIC Deaggregation factor: 5.38
Prefixes being announced from the LACNIC address blocks: 57791
Unique aggregates announced from the LACNIC address blocks: 27071
LACNIC Region origin ASes present in the Internet Routing Table: 2031
LACNIC Prefixes per ASN: 28.45
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 386
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 896
Number of LACNIC addresses announced to Internet: 143278080
Equivalent to 8 /8s, 138 /16s and 64 /24s
Percentage of available LACNIC address space announced: 85.4
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: 11780
Total AfriNIC prefixes after maximum aggregation: 2602
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12407
Unique aggregates announced from the AfriNIC address blocks: 4040
AfriNIC Region origin ASes present in the Internet Routing Table: 681
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.0
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: 48105984
Equivalent to 2 /8s, 222 /16s and 10 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2712 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2096 319 111 TPG Internet Pty Ltd
4755 1774 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1246 95 509 Sify Limited
9498 1211 309 73 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1095 380 163 Bharti Airtel Ltd., Telemedia
4808 1083 2025 312 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3049 3688 54 BellSouth.net Inc.
22773 2201 2939 139 Cox Communications, Inc.
18566 2057 379 178 MegaPath Corporation
1785 2039 685 131 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1647 1114 418 Time Warner Telecom
701 1505 11146 781 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1341 17795 878 AT&T WorldNet Services
6983 1294 772 580 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1885 544 16 OJSC "Vimpelcom"
34984 1365 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1132 420 858 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 785 370 41 Bezeq International
6830 778 2329 430 UPC Distribution Services
12479 680 798 55 Uni2 Autonomous System
35228 546 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3416 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1727 1150 230 Telecom Argentina Stet-France
18881 1624 908 20 Global Village Telecom
8151 1348 2851 411 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 813 373 27 Telefonica Del Peru
6503 789 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/us/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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 415 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 228 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3416 1793 87 NET Servicos de Comunicao S.A
6389 3049 3688 54 BellSouth.net Inc.
17974 2712 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2201 2939 139 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2096 319 111 TPG Internet Pty Ltd
18566 2057 379 178 MegaPath Corporation
1785 2039 685 131 PaeTec Communications, Inc.
8402 1885 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3049 2995 BellSouth.net Inc.
17974 2712 2624 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2201 2062 Cox Communications, Inc.
7545 2096 1985 TPG Internet Pty Ltd
1785 2039 1908 PaeTec Communications, Inc.
18566 2057 1879 MegaPath Corporation
8402 1885 1869 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
18881 1624 1604 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
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
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
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
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.14.0/24 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 37958 ChinaCache Networks ASN
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/us/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 /12:254
/13:469 /14:912 /15:1607 /16:12769 /17:6670 /18:11095
/19:22816 /20:32612 /21:35340 /22:49441 /23:43455 /24:248384
/25:44 /26:38 /27:26 /28:42 /29:40 /30:213
/31:11 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2011 2057 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1704 3049 BellSouth.net Inc.
8402 1572 1885 OJSC "Vimpelcom"
22773 1460 2201 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1194 1232 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:899 2:875 3:3 4:17 5:1027 6:21
8:620 12:1884 13:3 14:876 15:11 16:3
17:16 18:19 20:21 23:561 24:1743 27:1620
31:1498 32:43 33:2 34:5 36:86 37:1922
38:914 39:5 40:182 41:3256 42:272 44:13
46:2022 47:10 49:689 50:838 52:12 54:43
55:6 56:4 57:26 58:1090 59:571 60:377
61:1460 62:1243 63:1981 64:4318 65:2341 66:4150
67:2107 68:1095 69:3291 70:870 71:485 72:2040
74:2564 75:325 76:296 77:1160 78:1037 79:672
80:1295 81:1058 82:647 83:675 84:586 85:1250
86:382 87:1030 88:558 89:1555 90:152 91:5667
92:612 93:1608 94:2062 95:1620 96:509 97:349
98:1034 99:41 100:31 101:397 103:3599 105:527
106:140 107:217 108:515 109:1977 110:968 111:1113
112:587 113:809 114:731 115:1007 116:993 117:805
118:1179 119:1240 120:327 121:731 122:1782 123:1236
124:1364 125:1439 128:620 129:214 130:319 131:656
132:346 133:158 134:547 135:72 136:283 137:242
138:349 139:171 140:171 141:318 142:531 143:414
144:492 145:90 146:520 147:375 148:729 149:369
150:135 151:653 152:412 153:205 154:52 155:500
156:293 157:370 158:280 159:694 160:360 161:449
162:857 163:202 164:631 165:580 166:260 167:635
168:1037 169:121 170:1117 171:184 172:27 173:1586
174:690 175:510 176:1312 177:2492 178:1978 179:296
180:1584 181:877 182:1376 183:463 184:635 185:1037
186:2630 187:1483 188:1873 189:1270 190:7269 192:6990
193:5406 194:4035 195:3370 196:1340 197:1038 198:4688
199:5455 200:6042 201:2516 202:8785 203:8813 204:4468
205:2619 206:2744 207:2769 208:3988 209:3643 210:2919
211:1557 212:2151 213:1995 214:897 215:91 216:5412
217:1693 218:618 219:316 220:1272 221:579 222:326
223:504
End of report
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