[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 26 18:12:39 UTC 2014
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 27 Sep, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 512186
Prefixes after maximum aggregation: 198722
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 252159
Total ASes present in the Internet Routing Table: 48124
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 36176
Origin ASes announcing only one prefix: 16357
Transit ASes present in the Internet Routing Table: 6173
Transit-only ASes present in the Internet Routing Table: 176
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 68
Max AS path prepend of ASN ( 55644) 61
Prefixes from unregistered ASNs in the Routing Table: 1761
Unregistered ASNs in the Routing Table: 448
Number of 32-bit ASNs allocated by the RIRs: 7505
Number of 32-bit ASNs visible in the Routing Table: 5775
Prefixes from 32-bit ASNs in the Routing Table: 20231
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 358
Number of addresses announced to Internet: 2709988068
Equivalent to 161 /8s, 135 /16s and 34 /24s
Percentage of available address space announced: 73.2
Percentage of allocated address space announced: 73.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.9
Total number of prefixes smaller than registry allocations: 175400
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 125220
Total APNIC prefixes after maximum aggregation: 36661
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 128967
Unique aggregates announced from the APNIC address blocks: 53231
APNIC Region origin ASes present in the Internet Routing Table: 4982
APNIC Prefixes per ASN: 25.89
APNIC Region origin ASes announcing only one prefix: 1201
APNIC Region transit ASes present in the Internet Routing Table: 866
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 68
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1110
Number of APNIC addresses announced to Internet: 734586688
Equivalent to 43 /8s, 200 /16s and 231 /24s
Percentage of available APNIC address space announced: 85.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 170487
Total ARIN prefixes after maximum aggregation: 85188
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 172481
Unique aggregates announced from the ARIN address blocks: 80696
ARIN Region origin ASes present in the Internet Routing Table: 16365
ARIN Prefixes per ASN: 10.54
ARIN Region origin ASes announcing only one prefix: 6093
ARIN Region transit ASes present in the Internet Routing Table: 1699
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 208
Number of ARIN addresses announced to Internet: 1084878240
Equivalent to 64 /8s, 169 /16s and 237 /24s
Percentage of available ARIN address space announced: 57.4
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: 125076
Total RIPE prefixes after maximum aggregation: 63321
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 130217
Unique aggregates announced from the RIPE address blocks: 82829
RIPE Region origin ASes present in the Internet Routing Table: 17733
RIPE Prefixes per ASN: 7.34
RIPE Region origin ASes announcing only one prefix: 8213
RIPE Region transit ASes present in the Internet Routing Table: 2905
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3071
Number of RIPE addresses announced to Internet: 659421828
Equivalent to 39 /8s, 77 /16s and 250 /24s
Percentage of available RIPE address space announced: 95.9
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, 196608-202239
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: 59763
Total LACNIC prefixes after maximum aggregation: 10685
LACNIC Deaggregation factor: 5.59
Prefixes being announced from the LACNIC address blocks: 68010
Unique aggregates announced from the LACNIC address blocks: 30357
LACNIC Region origin ASes present in the Internet Routing Table: 2321
LACNIC Prefixes per ASN: 29.30
LACNIC Region origin ASes announcing only one prefix: 633
LACNIC Region transit ASes present in the Internet Routing Table: 457
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1330
Number of LACNIC addresses announced to Internet: 171055744
Equivalent to 10 /8s, 50 /16s and 26 /24s
Percentage of available LACNIC address space announced: 102.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 11305
Total AfriNIC prefixes after maximum aggregation: 2821
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 12153
Unique aggregates announced from the AfriNIC address blocks: 4730
AfriNIC Region origin ASes present in the Internet Routing Table: 741
AfriNIC Prefixes per ASN: 16.40
AfriNIC Region origin ASes announcing only one prefix: 217
AfriNIC Region transit ASes present in the Internet Routing Table: 159
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 56
Number of AfriNIC addresses announced to Internet: 59753216
Equivalent to 3 /8s, 143 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 59.4
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
4766 2928 11583 924 Korea Telecom
17974 2812 900 74 PT Telekomunikasi Indonesia
7545 2354 336 121 TPG Telecom Limited
4755 1910 413 192 TATA Communications formerly
9829 1633 1306 38 National Internet Backbone
4808 1430 2215 421 CNCGROUP IP network China169
9583 1320 105 541 Sify Limited
9498 1304 333 91 BHARTI Airtel Ltd.
9808 1283 6634 13 Guangdong Mobile Communicatio
7552 1229 1098 14 Viettel Corporation
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 2897 3688 51 BellSouth.net Inc.
22773 2895 2940 141 Cox Communications Inc.
18566 2045 379 181 MegaPath Corporation
7029 1934 1975 333 Windstream Communications Inc
20115 1797 1781 489 Charter Communications
4323 1629 1051 409 tw telecom holdings, inc.
6983 1498 867 251 ITC^Deltacom
30036 1494 311 608 Mediacom Communications Corp
701 1437 11258 720 MCI Communications Services,
22561 1308 408 237 CenturyTel Internet Holdings,
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
34984 1816 296 345 TELLCOM ILETISIM HIZMETLERI A
20940 1477 573 1086 Akamai International B.V.
8402 1416 544 15 OJSC "Vimpelcom"
31148 1043 45 21 Freenet Ltd.
13188 1034 100 31 TOV "Bank-Inform"
8551 962 372 42 Bezeq International-Ltd
6849 829 356 26 JSC "Ukrtelecom"
12479 804 798 58 France Telecom Espana SA
6830 776 2335 431 Liberty Global Operations B.V
9198 629 346 28 JSC Kazakhtelecom
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 3041 2310 110 NET Serviços de Comunicação S
10620 2981 483 250 Telmex Colombia S.A.
18881 2108 1036 22 Global Village Telecom
7303 1765 1175 234 Telecom Argentina S.A.
6147 1734 374 30 Telefonica del Peru S.A.A.
8151 1472 2998 433 Uninet S.A. de C.V.
6503 1118 434 61 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
27947 909 130 51 Telconet S.A
26615 872 2325 35 Tim Celular 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
24863 949 280 26 Link Egypt (Link.NET)
6713 678 760 38 Office National des Postes et
8452 555 958 13 TE-AS
36992 347 824 27 ETISALAT MISR
24835 307 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37054 233 19 6 Data Telecom Service
15706 186 17 6 Sudatel (Sudan Telecom Co. Lt
12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI
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 3041 2310 110 NET Serviços de Comunicação S
10620 2981 483 250 Telmex Colombia S.A.
4766 2928 11583 924 Korea Telecom
6389 2897 3688 51 BellSouth.net Inc.
22773 2895 2940 141 Cox Communications Inc.
17974 2812 900 74 PT Telekomunikasi Indonesia
7545 2354 336 121 TPG Telecom Limited
18881 2108 1036 22 Global Village Telecom
18566 2045 379 181 MegaPath Corporation
7029 1934 1975 333 Windstream Communications Inc
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 2897 2846 BellSouth.net Inc.
22773 2895 2754 Cox Communications Inc.
17974 2812 2738 PT Telekomunikasi Indonesia
10620 2981 2731 Telmex Colombia S.A.
7545 2354 2233 TPG Telecom Limited
18881 2108 2086 Global Village Telecom
4766 2928 2004 Korea Telecom
18566 2045 1864 MegaPath Corporation
4755 1910 1718 TATA Communications formerly
6147 1734 1704 Telefonica del Peru S.A.A.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
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 /9:12 /10:31 /11:90 /12:262
/13:504 /14:998 /15:1711 /16:13033 /17:7098 /18:11836
/19:24585 /20:35270 /21:37688 /22:54834 /23:48041 /24:273273
/25:1075 /26:1054 /27:718 /28:14 /29:19 /30:10
/31:1 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2128 2895 Cox Communications Inc.
18566 2000 2045 MegaPath Corporation
6389 1676 2897 BellSouth.net Inc.
30036 1339 1494 Mediacom Communications Corp
6147 1301 1734 Telefonica del Peru S.A.A.
6983 1186 1498 ITC^Deltacom
7029 1138 1934 Windstream Communications Inc
34984 1136 1816 TELLCOM ILETISIM HIZMETLERI A
11492 1128 1176 CABLE ONE, INC.
8402 1096 1416 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1344 2:664 3:3 4:18 5:1144 6:21
8:758 12:1848 13:4 14:1125 15:17 16:2
17:42 18:21 20:51 23:925 24:1755 27:1805
31:1412 32:39 33:2 34:5 36:155 37:1783
38:999 39:11 40:225 41:2614 42:268 43:390
44:16 45:76 46:2177 47:25 49:738 50:801
52:12 54:52 55:6 56:6 57:32 58:1209
59:661 60:432 61:1718 62:1271 63:1829 64:4411
65:2294 66:4183 67:2041 68:1047 69:3280 70:865
71:473 72:1995 74:2594 75:372 76:409 77:1604
78:853 79:729 80:1323 81:1208 82:792 83:777
84:742 85:1322 86:447 87:1159 88:469 89:1755
90:138 91:5755 92:755 93:1796 94:2068 95:1282
96:427 97:342 98:1100 99:48 100:66 101:723
103:5685 104:287 105:137 106:184 107:637 108:576
109:1980 110:1036 111:1383 112:716 113:896 114:780
115:1212 116:1118 117:990 118:1574 119:1413 120:429
121:973 122:2196 123:1618 124:1437 125:1577 128:596
129:348 130:365 131:824 132:430 133:165 134:324
135:78 136:305 137:290 138:378 139:195 140:222
141:405 142:580 143:435 144:506 145:110 146:688
147:554 148:958 149:407 150:496 151:709 152:470
153:240 154:353 155:544 156:371 157:331 158:279
159:933 160:325 161:600 162:1781 163:357 164:703
165:663 166:364 167:675 168:1119 169:121 170:1416
171:185 172:61 173:1640 174:703 175:615 176:1507
177:3554 178:2082 179:795 180:1761 181:1599 182:1659
183:533 184:725 185:2100 186:2945 187:1689 188:2220
189:1491 190:7812 191:757 192:7563 193:5514 194:4048
195:3592 196:1433 197:653 198:5147 199:5488 200:6502
201:2889 202:9161 203:8985 204:4582 205:2655 206:2963
207:2944 208:3915 209:3740 210:3296 211:1822 212:2360
213:2153 214:867 215:87 216:5620 217:1698 218:617
219:395 220:1369 221:699 222:484 223:597
End of report
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