[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 5 18:02:39 UTC 2018
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, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.
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 06 Jan, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 677605
Prefixes after maximum aggregation (per Origin AS): 263671
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 327932
Total ASes present in the Internet Routing Table: 59484
Prefixes per ASN: 11.39
Origin-only ASes present in the Internet Routing Table: 51353
Origin ASes announcing only one prefix: 22635
Transit ASes present in the Internet Routing Table: 8131
Transit-only ASes present in the Internet Routing Table: 244
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 30
Max AS path prepend of ASN ( 29046) 25
Prefixes from unregistered ASNs in the Routing Table: 88
Number of instances of unregistered ASNs: 89
Number of 32-bit ASNs allocated by the RIRs: 21091
Number of 32-bit ASNs visible in the Routing Table: 16887
Prefixes from 32-bit ASNs in the Routing Table: 69434
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 334
Number of addresses announced to Internet: 2860024994
Equivalent to 170 /8s, 120 /16s and 132 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.8
Total number of prefixes smaller than registry allocations: 224483
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 186127
Total APNIC prefixes after maximum aggregation: 53465
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 185206
Unique aggregates announced from the APNIC address blocks: 77299
APNIC Region origin ASes present in the Internet Routing Table: 8570
APNIC Prefixes per ASN: 21.61
APNIC Region origin ASes announcing only one prefix: 2430
APNIC Region transit ASes present in the Internet Routing Table: 1243
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3452
Number of APNIC addresses announced to Internet: 770308898
Equivalent to 45 /8s, 233 /16s and 251 /24s
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, 64297-64395, 131072-137529
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: 202522
Total ARIN prefixes after maximum aggregation: 97512
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 203785
Unique aggregates announced from the ARIN address blocks: 95631
ARIN Region origin ASes present in the Internet Routing Table: 18045
ARIN Prefixes per ASN: 11.29
ARIN Region origin ASes announcing only one prefix: 6679
ARIN Region transit ASes present in the Internet Routing Table: 1784
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2289
Number of ARIN addresses announced to Internet: 1107523104
Equivalent to 66 /8s, 3 /16s and 118 /24s
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, 64198-64296, 393216-397212
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: 183210
Total RIPE prefixes after maximum aggregation: 89257
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 179162
Unique aggregates announced from the RIPE address blocks: 107873
RIPE Region origin ASes present in the Internet Routing Table: 24791
RIPE Prefixes per ASN: 7.23
RIPE Region origin ASes announcing only one prefix: 11325
RIPE Region transit ASes present in the Internet Routing Table: 3514
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6535
Number of RIPE addresses announced to Internet: 714008704
Equivalent to 42 /8s, 142 /16s and 232 /24s
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, 64396-64495
196608-207259
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: 87728
Total LACNIC prefixes after maximum aggregation: 19441
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 89021
Unique aggregates announced from the LACNIC address blocks: 39646
LACNIC Region origin ASes present in the Internet Routing Table: 6689
LACNIC Prefixes per ASN: 13.31
LACNIC Region origin ASes announcing only one prefix: 1835
LACNIC Region transit ASes present in the Internet Routing Table: 1246
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4222
Number of LACNIC addresses announced to Internet: 172507104
Equivalent to 10 /8s, 72 /16s and 63 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 17928
Total AfriNIC prefixes after maximum aggregation: 3932
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 20097
Unique aggregates announced from the AfriNIC address blocks: 7210
AfriNIC Region origin ASes present in the Internet Routing Table: 1114
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 365
AfriNIC Region transit ASes present in the Internet Routing Table: 225
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 389
Number of AfriNIC addresses announced to Internet: 95278336
Equivalent to 5 /8s, 173 /16s and 213 /24s
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
4538 5411 4192 74 ERX-CERNET-BKB China Education and Rese
7545 3271 403 389 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2884 11132 772 KIXS-AS-KR Korea Telecom, KR
17974 2783 918 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2769 1499 540 BSNL-NIB National Internet Backbone, IN
7552 2509 1159 49 VIETEL-AS-AP Viettel Group, VN
45899 2253 1524 119 VNPT-AS-VN VNPT Corp, VN
9394 2168 4923 26 CTTNET China TieTong Telecommunications
9808 2097 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2082 417 209 TATACOMM-AS TATA Communications formerl
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
6327 3333 1323 86 SHAW - Shaw Communications Inc., CA
22773 3280 2951 146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2169 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2066 2328 465 CHARTER-NET-HKY-NC - Charter Communicat
16509 1988 4145 586 AMAZON-02 - Amazon.com, Inc., US
6389 1959 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
209 1916 5061 623 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1871 332 246 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1723 233 571 CABLEONE - CABLE ONE, INC., US
7018 1675 20197 1247 ATT-INTERNET4 - AT&T Services, Inc., US
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
39891 3520 187 21 ALJAWWALSTC-AS, SA
20940 2856 846 2059 AKAMAI-ASN1, US
8551 2282 378 42 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2091 1830 688 ROSTELECOM-AS, RU
12479 1991 1068 127 UNI2-AS, ES
9121 1981 1691 17 TTNET, TR
34984 1979 330 477 TELLCOM-AS, TR
13188 1605 100 46 TRIOLAN, UA
6849 1228 355 21 UKRTELNET, UA
8402 1225 544 14 CORBINA-AS OJSC "Vimpelcom", RU
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
8151 3752 3433 602 Uninet S.A. de C.V., MX
10620 3577 539 262 Telmex Colombia S.A., CO
11830 2632 370 66 Instituto Costarricense de Electricidad
6503 1617 437 53 Axtel, S.A.B. de C.V., MX
7303 1498 1023 192 Telecom Argentina S.A., AR
6147 1195 377 27 Telefonica del Peru S.A.A., PE
28573 1022 2246 194 CLARO S.A., BR
3816 1015 509 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 919 126 85 Alestra, S. de R.L. de C.V., MX
18881 904 1065 27 TELEFÔNICA BRASIL S.A, BR
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 1190 398 50 LINKdotNET-AS, EG
37611 781 91 8 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 688 1383 31 ETISALAT-MISR, EG
8452 520 1730 18 TE-AS TE-AS, EG
24835 487 786 17 RAYA-AS, EG
29571 444 36 13 ORANGE-COTE-IVOIRE, CI
37492 440 367 77 ORANGE-, TN
37342 356 32 1 MOVITEL, MZ
15399 349 35 7 WANANCHI-, KE
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
4538 5411 4192 74 ERX-CERNET-BKB China Education and Rese
8151 3752 3433 602 Uninet S.A. de C.V., MX
10620 3577 539 262 Telmex Colombia S.A., CO
39891 3520 187 21 ALJAWWALSTC-AS, SA
6327 3333 1323 86 SHAW - Shaw Communications Inc., CA
22773 3280 2951 146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7545 3271 403 389 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2884 11132 772 KIXS-AS-KR Korea Telecom, KR
20940 2856 846 2059 AKAMAI-ASN1, US
17974 2783 918 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
39891 3520 3499 ALJAWWALSTC-AS, SA
10620 3577 3315 Telmex Colombia S.A., CO
6327 3333 3247 SHAW - Shaw Communications Inc., CA
8151 3752 3150 Uninet S.A. de C.V., MX
22773 3280 3134 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3271 2882 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2783 2706 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
11830 2632 2566 Instituto Costarricense de Electricidad y Telec
7552 2509 2460 VIETEL-AS-AP Viettel Group, VN
8551 2282 2240 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
64525 PRIVATE 45.119.143.0/24 133275 GIGANTIC-AS Gigantic Infotel P
64525 PRIVATE 45.125.62.0/24 133275 GIGANTIC-AS Gigantic Infotel P
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 58.68.109.0/24 10201 DWL-AS-IN Dishnet Wireless Lim
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
64609 PRIVATE 94.245.126.0/24 6584 MICROSOFT-GP-AS - Microsoft Co
65000 PRIVATE 95.179.2.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.3.0/24 65001 -Private Use AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.14.0/23 10247 NETLINE, ZA
14.192.50.0/23 10247 NETLINE, ZA
14.192.58.0/23 10247 NETLINE, ZA
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/23 10247 NETLINE, ZA
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, IN
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22 133676 PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23 133676 PNPL-AS Precious netcom pvt ltd, IN
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 /8:15 /9:12 /10:37 /11:99 /12:279
/13:558 /14:1088 /15:1896 /16:13416 /17:7769 /18:13670
/19:25260 /20:38892 /21:44620 /22:82804 /23:66621 /24:378323
/25:844 /26:608 /27:657 /28:36 /29:20 /30:17
/31:4 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3125 3333 SHAW - Shaw Communications Inc., CA
39891 2946 3520 ALJAWWALSTC-AS, SA
22773 2526 3280 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2063 2169 MEGAPATH5-US - MegaPath Corporation, US
11830 1978 2632 Instituto Costarricense de Electricidad y Telec
8551 1746 2282 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1635 1871 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1577 3577 Telmex Colombia S.A., CO
11492 1520 1723 CABLEONE - CABLE ONE, INC., US
9121 1457 1981 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1573 2:819 4:18 5:2636 6:39 8:1094
9:1 12:1854 13:198 14:1749 15:29 16:3
17:185 18:76 20:53 21:1 23:2502 24:1927
25:2 27:2340 31:1951 32:87 35:22 36:458
37:2464 38:1430 39:224 40:101 41:3027 42:549
43:1929 44:93 45:3491 46:2986 47:193 49:1371
50:1051 51:47 52:916 54:355 55:5 56:7
57:42 58:1569 59:1010 60:372 61:1997 62:1778
63:1825 64:4638 65:2239 66:4486 67:2311 68:1194
69:3165 70:1132 71:588 72:2115 74:2693 75:392
76:423 77:1553 78:1617 79:1960 80:1480 81:1406
82:1070 83:792 84:1005 85:1989 86:565 87:1210
88:917 89:2318 90:177 91:6255 92:1085 93:2345
94:2370 95:2738 96:667 97:356 98:909 99:107
100:152 101:1535 102:14 103:16628 104:3213 105:212
106:521 107:1800 108:816 109:2727 110:1549 111:1722
112:1283 113:1380 114:1115 115:1603 116:1621 117:1669
118:2241 119:1660 120:913 121:1050 122:2419 123:1760
124:1479 125:1840 128:963 129:580 130:440 131:1627
132:588 133:194 134:1000 135:220 136:447 137:465
138:1983 139:549 140:388 141:677 142:768 143:942
144:799 145:195 146:1142 147:687 148:1471 149:711
150:712 151:982 152:749 153:309 154:959 155:744
156:742 157:743 158:599 159:1621 160:849 161:733
162:2531 163:522 164:981 165:1490 166:398 167:1377
168:3111 169:789 170:3641 171:403 172:1027 173:1909
174:862 175:772 176:1858 177:3939 178:2442 179:1155
180:2226 181:2133 182:2418 183:1059 184:895 185:11955
186:3475 187:2369 188:2624 189:1970 190:8220 191:1364
192:9756 193:5873 194:4779 195:3985 196:2321 197:1440
198:5525 199:5882 200:7280 201:4918 202:10378 203:9917
204:4560 205:2871 206:3043 207:3112 208:3994 209:3938
210:4002 211:2151 212:2938 213:2618 214:858 215:63
216:5748 217:2111 218:900 219:626 220:1728 221:956
222:696 223:1225
End of report
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