[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 4 18:03:19 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
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 05 May, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 698222
Prefixes after maximum aggregation (per Origin AS): 268829
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 336897
Total ASes present in the Internet Routing Table: 60652
Prefixes per ASN: 11.51
Origin-only ASes present in the Internet Routing Table: 52419
Origin ASes announcing only one prefix: 22938
Transit ASes present in the Internet Routing Table: 8233
Transit-only ASes present in the Internet Routing Table: 267
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 51
Number of instances of unregistered ASNs: 51
Number of 32-bit ASNs allocated by the RIRs: 22423
Number of 32-bit ASNs visible in the Routing Table: 18107
Prefixes from 32-bit ASNs in the Routing Table: 75449
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 297
Number of addresses announced to Internet: 2858741122
Equivalent to 170 /8s, 100 /16s and 237 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.9
Total number of prefixes smaller than registry allocations: 232759
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 191019
Total APNIC prefixes after maximum aggregation: 54116
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 189798
Unique aggregates announced from the APNIC address blocks: 77981
APNIC Region origin ASes present in the Internet Routing Table: 8773
APNIC Prefixes per ASN: 21.63
APNIC Region origin ASes announcing only one prefix: 2452
APNIC Region transit ASes present in the Internet Routing Table: 1307
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3737
Number of APNIC addresses announced to Internet: 766870786
Equivalent to 45 /8s, 181 /16s and 133 /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: 207973
Total ARIN prefixes after maximum aggregation: 99038
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209004
Unique aggregates announced from the ARIN address blocks: 98978
ARIN Region origin ASes present in the Internet Routing Table: 18167
ARIN Prefixes per ASN: 11.50
ARIN Region origin ASes announcing only one prefix: 6717
ARIN Region transit ASes present in the Internet Routing Table: 1794
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2346
Number of ARIN addresses announced to Internet: 1104906784
Equivalent to 65 /8s, 219 /16s and 138 /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: 190494
Total RIPE prefixes after maximum aggregation: 91847
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 186369
Unique aggregates announced from the RIPE address blocks: 111090
RIPE Region origin ASes present in the Internet Routing Table: 25164
RIPE Prefixes per ASN: 7.41
RIPE Region origin ASes announcing only one prefix: 11421
RIPE Region transit ASes present in the Internet Routing Table: 3507
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6956
Number of RIPE addresses announced to Internet: 715766144
Equivalent to 42 /8s, 169 /16s and 185 /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: 90085
Total LACNIC prefixes after maximum aggregation: 19812
LACNIC Deaggregation factor: 4.55
Prefixes being announced from the LACNIC address blocks: 91488
Unique aggregates announced from the LACNIC address blocks: 40942
LACNIC Region origin ASes present in the Internet Routing Table: 7111
LACNIC Prefixes per ASN: 12.87
LACNIC Region origin ASes announcing only one prefix: 1966
LACNIC Region transit ASes present in the Internet Routing Table: 1306
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4651
Number of LACNIC addresses announced to Internet: 172820960
Equivalent to 10 /8s, 77 /16s and 9 /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: 18598
Total AfriNIC prefixes after maximum aggregation: 3969
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 21266
Unique aggregates announced from the AfriNIC address blocks: 7658
AfriNIC Region origin ASes present in the Internet Routing Table: 1142
AfriNIC Prefixes per ASN: 18.62
AfriNIC Region origin ASes announcing only one prefix: 381
AfriNIC Region transit ASes present in the Internet Routing Table: 230
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 417
Number of AfriNIC addresses announced to Internet: 97989120
Equivalent to 5 /8s, 215 /16s and 50 /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 5392 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4393 415 430 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2892 11137 791 KIXS-AS-KR Korea Telecom, KR
7552 2807 1156 71 VIETEL-AS-AP Viettel Group, VN
9829 2761 1498 543 BSNL-NIB National Internet Backbone, IN
9394 2614 4922 26 CTTNET China TieTong Telecommunications
45899 2528 1574 160 VNPT-AS-VN VNPT Corp, VN
17974 2293 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2190 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2100 417 206 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 3389 1323 84 SHAW - Shaw Communications Inc., CA
22773 3289 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2099 2503 455 CHARTER-NET-HKY-NC - Charter Communicat
16509 2086 4590 650 AMAZON-02 - Amazon.com, Inc., US
11492 2005 240 450 CABLEONE - CABLE ONE, INC., US
209 1969 5070 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1968 339 177 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1760 862 1261 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1704 20213 1257 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
12479 4116 1519 499 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2662 719 1958 AKAMAI-ASN1, US
8551 2079 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2040 1876 707 ROSTELECOM-AS, RU
34984 2018 334 484 TELLCOM-AS, TR
9121 1979 1692 19 TTNET, TR
13188 1609 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1237 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 4445 3387 586 Uninet S.A. de C.V., MX
10620 3591 542 244 Telmex Colombia S.A., CO
11830 2647 369 78 Instituto Costarricense de Electricidad
6503 1612 437 53 Axtel, S.A.B. de C.V., MX
7303 1517 1025 193 Telecom Argentina S.A., AR
28573 1036 2251 184 CLARO S.A., BR
3816 1009 505 123 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 998 377 31 Telefonica del Peru S.A.A., PE
11172 927 126 85 Alestra, S. de R.L. de C.V., MX
18881 909 1074 29 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 1185 396 45 LINKdotNET-AS, EG
37611 835 107 9 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 697 1412 42 ETISALAT-MISR, EG
8452 683 1730 18 TE-AS TE-AS, EG
24835 608 850 15 RAYA-AS, EG
37492 452 376 81 ORANGE-, TN
29571 422 68 10 ORANGE-COTE-IVOIRE, CI
15399 362 35 7 WANANCHI-, KE
37342 361 32 1 MOVITEL, MZ
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 5392 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4445 3387 586 Uninet S.A. de C.V., MX
7545 4393 415 430 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4116 1519 499 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3591 542 244 Telmex Colombia S.A., CO
6327 3389 1323 84 SHAW - Shaw Communications Inc., CA
22773 3289 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2892 11137 791 KIXS-AS-KR Korea Telecom, KR
7552 2807 1156 71 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7545 4393 3963 TPG-INTERNET-AP TPG Telecom Limited, AU
8151 4445 3859 Uninet S.A. de C.V., MX
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4116 3617 UNI2-AS, ES
10620 3591 3347 Telmex Colombia S.A., CO
6327 3389 3305 SHAW - Shaw Communications Inc., CA
22773 3289 3142 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2807 2736 VIETEL-AS-AP Viettel Group, VN
9394 2614 2588 CTTNET China TieTong Telecommunications Corpora
11830 2647 2569 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
65024 PRIVATE 87.103.232.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 87.103.233.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
41.76.143.0/24 37500 -Reserved AS-, ZZ
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 /8:14 /9:11 /10:37 /11:100 /12:288
/13:564 /14:1093 /15:1904 /16:13393 /17:7876 /18:13601
/19:25214 /20:39396 /21:45121 /22:86865 /23:70104 /24:390366
/25:848 /26:649 /27:648 /28:36 /29:20 /30:17
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3178 3389 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
12479 2860 4116 UNI2-AS, ES
22773 2545 3289 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US
11830 1994 2647 Instituto Costarricense de Electricidad y Telec
11492 1745 2005 CABLEONE - CABLE ONE, INC., US
30036 1720 1968 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1601 3591 Telmex Colombia S.A., CO
8551 1541 2079 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1581 2:840 4:19 5:2840 6:65 7:1
8:1116 12:1878 13:185 14:1750 15:28 16:3
17:203 18:68 20:49 21:7 23:2650 24:2212
25:2 27:2362 31:1973 32:87 35:27 36:505
37:2769 38:1451 39:262 40:118 41:3142 42:571
43:1944 44:112 45:4422 46:3046 47:204 49:1313
50:1056 51:307 52:1020 54:370 55:3 56:12
57:42 58:1602 59:991 60:433 61:2162 62:1828
63:1795 64:5021 65:2209 66:4666 67:2367 68:1139
69:3191 70:1150 71:563 72:2105 74:2715 75:414
76:437 77:1551 78:1705 79:1851 80:1511 81:1412
82:1077 83:777 84:1055 85:2055 86:589 87:1306
88:939 89:2325 90:206 91:6357 92:1172 93:2368
94:2382 95:2823 96:658 97:357 98:942 99:133
100:80 101:1280 102:47 103:17676 104:3623 105:231
106:659 107:1862 108:713 109:2728 110:1605 111:1773
112:1275 113:1263 114:1115 115:1632 116:1641 117:1729
118:2194 119:1661 120:987 121:1052 122:2450 123:1807
124:1430 125:1895 128:1012 129:649 130:457 131:1588
132:670 133:195 134:1017 135:224 136:469 137:494
138:1924 139:604 140:393 141:695 142:819 143:961
144:794 145:461 146:1190 147:780 148:1593 149:703
150:726 151:1058 152:768 153:312 154:1066 155:765
156:934 157:779 158:657 159:1739 160:933 161:753
162:2586 163:554 164:1049 165:1580 166:439 167:1405
168:3108 169:800 170:3699 171:433 172:1127 173:1995
174:907 175:769 176:1885 177:4053 178:2439 179:1196
180:2251 181:2217 182:2393 183:1149 184:987 185:13459
186:3625 187:2377 188:2781 189:2017 190:8101 191:1473
192:9827 193:5910 194:4767 195:3953 196:2499 197:1454
198:5541 199:5880 200:7387 201:4989 202:10349 203:10172
204:4561 205:2904 206:3104 207:3206 208:3992 209:3948
210:4037 211:2113 212:3009 213:2735 214:952 215:60
216:5924 217:2132 218:909 219:628 220:1752 221:993
222:1032 223:1249
End of report
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