[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 24 18:03:40 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 25 Aug, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 711713
Prefixes after maximum aggregation (per Origin AS): 273276
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 341846
Total ASes present in the Internet Routing Table: 61612
Prefixes per ASN: 11.55
Origin-only ASes present in the Internet Routing Table: 53212
Origin ASes announcing only one prefix: 23205
Transit ASes present in the Internet Routing Table: 8400
Transit-only ASes present in the Internet Routing Table: 260
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 55
Number of instances of unregistered ASNs: 55
Number of 32-bit ASNs allocated by the RIRs: 23808
Number of 32-bit ASNs visible in the Routing Table: 19184
Prefixes from 32-bit ASNs in the Routing Table: 80326
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 272
Number of addresses announced to Internet: 2857455684
Equivalent to 170 /8s, 81 /16s and 80 /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: 99.0
Total number of prefixes smaller than registry allocations: 237793
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 193767
Total APNIC prefixes after maximum aggregation: 55359
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 191973
Unique aggregates announced from the APNIC address blocks: 79241
APNIC Region origin ASes present in the Internet Routing Table: 9019
APNIC Prefixes per ASN: 21.29
APNIC Region origin ASes announcing only one prefix: 2534
APNIC Region transit ASes present in the Internet Routing Table: 1342
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3981
Number of APNIC addresses announced to Internet: 767386627
Equivalent to 45 /8s, 189 /16s and 100 /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, 131072-139577
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: 211629
Total ARIN prefixes after maximum aggregation: 100126
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 211412
Unique aggregates announced from the ARIN address blocks: 100195
ARIN Region origin ASes present in the Internet Routing Table: 18229
ARIN Prefixes per ASN: 11.60
ARIN Region origin ASes announcing only one prefix: 6758
ARIN Region transit ASes present in the Internet Routing Table: 1805
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2415
Number of ARIN addresses announced to Internet: 1103319200
Equivalent to 65 /8s, 195 /16s and 80 /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, 393216-399260
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: 195094
Total RIPE prefixes after maximum aggregation: 93057
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 191399
Unique aggregates announced from the RIPE address blocks: 113352
RIPE Region origin ASes present in the Internet Routing Table: 25436
RIPE Prefixes per ASN: 7.52
RIPE Region origin ASes announcing only one prefix: 11467
RIPE Region transit ASes present in the Internet Routing Table: 3523
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7324
Number of RIPE addresses announced to Internet: 714069376
Equivalent to 42 /8s, 143 /16s and 213 /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
196608-210331
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: 91736
Total LACNIC prefixes after maximum aggregation: 20544
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 93193
Unique aggregates announced from the LACNIC address blocks: 40829
LACNIC Region origin ASes present in the Internet Routing Table: 7458
LACNIC Prefixes per ASN: 12.50
LACNIC Region origin ASes announcing only one prefix: 2060
LACNIC Region transit ASes present in the Internet Routing Table: 1398
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5006
Number of LACNIC addresses announced to Internet: 172006176
Equivalent to 10 /8s, 64 /16s and 155 /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: 19431
Total AfriNIC prefixes after maximum aggregation: 4143
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 23464
Unique aggregates announced from the AfriNIC address blocks: 7986
AfriNIC Region origin ASes present in the Internet Routing Table: 1183
AfriNIC Prefixes per ASN: 19.83
AfriNIC Region origin ASes announcing only one prefix: 386
AfriNIC Region transit ASes present in the Internet Routing Table: 235
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 458
Number of AfriNIC addresses announced to Internet: 100231168
Equivalent to 5 /8s, 249 /16s and 104 /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 4681 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4421 478 471 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2989 1154 86 VIETEL-AS-AP Viettel Group, VN
4766 2825 11135 768 KIXS-AS-KR Korea Telecom, KR
9829 2813 1495 541 BSNL-NIB National Internet Backbone, IN
45899 2569 1638 157 VNPT-AS-VN VNPT Corp, VN
9394 2541 4907 32 CTTNET China TieTong Telecommunications
17974 2262 962 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2252 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2118 417 204 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 3448 1324 82 SHAW - Shaw Communications Inc., CA
11492 3268 253 411 CABLEONE - CABLE ONE, INC., US
22773 3228 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2271 4808 773 AMAZON-02 - Amazon.com, Inc., US
18566 2166 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2141 2652 505 CHARTER-NET-HKY-NC - Charter Communicat
209 2038 5085 604 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 2028 345 142 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1995 1043 1463 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1774 20210 1283 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 4704 1613 125 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3099 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2546 615 1892 AKAMAI-ASN1, US
12389 2042 1893 732 ROSTELECOM-AS, RU
34984 2015 335 507 TELLCOM-AS, TR
9121 1821 1692 19 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1205 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 4884 3349 608 Uninet S.A. de C.V., MX
10620 3487 531 459 Telmex Colombia S.A., CO
11830 2657 369 78 Instituto Costarricense de Electricidad
6503 1665 444 63 Axtel, S.A.B. de C.V., MX
7303 1429 952 205 Telecom Argentina S.A., AR
28573 1084 2229 181 CLARO S.A., BR
3816 1022 510 117 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 929 126 85 Alestra, S. de R.L. de C.V., MX
18881 915 1080 32 TELEFÔNICA BRASIL S.A, BR
6147 907 377 31 Telefonica del Peru S.A.A., PE
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 1184 396 48 LINKdotNET-AS, EG
37611 895 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 745 1411 40 ETISALAT-MISR, EG
24835 641 818 18 RAYA-AS, EG
8452 591 1728 14 TE-AS TE-AS, EG
37492 474 470 57 ORANGE-, TN
29571 463 70 13 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 375 231 15 MauritiusTelecom, MU
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
8151 4884 3349 608 Uninet S.A. de C.V., MX
12479 4704 1613 125 UNI2-AS, ES
4538 4681 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4421 478 471 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3487 531 459 Telmex Colombia S.A., CO
6327 3448 1324 82 SHAW - Shaw Communications Inc., CA
11492 3268 253 411 CABLEONE - CABLE ONE, INC., US
22773 3228 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3099 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 4681 4607 ERX-CERNET-BKB China Education and Research Net
12479 4704 4579 UNI2-AS, ES
7545 4421 3950 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3448 3366 SHAW - Shaw Communications Inc., CA
22773 3228 3079 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3099 3055 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 3487 3028 Telmex Colombia S.A., CO
7552 2989 2903 VIETEL-AS-AP Viettel Group, VN
11492 3268 2857 CABLEONE - CABLE ONE, INC., US
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
64500 DOCUMENT 45.43.56.0/24 135391 AOFEI-HK AOFEI DATA INTERNATIO
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
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
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN
4259905537 PRIVATE 103.250.48.0/24 132917 YELLOWPAGESGROUP-AS-AP Yellow
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
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
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
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
45.121.32.0/22 134356 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 /8:14 /9:11 /10:36 /11:99 /12:291
/13:570 /14:1096 /15:1900 /16:13370 /17:7932 /18:13806
/19:25374 /20:39278 /21:45530 /22:88363 /23:71758 /24:400129
/25:799 /26:603 /27:624 /28:35 /29:20 /30:19
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3455 4704 UNI2-AS, ES
6327 3238 3448 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2623 3268 CABLEONE - CABLE ONE, INC., US
8551 2561 3099 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2497 3228 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2060 2166 MEGAPATH5-US - MegaPath Corporation, US
11830 2005 2657 Instituto Costarricense de Electricidad y Telec
30036 1780 2028 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1580 3487 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1616 2:827 4:18 5:2861 6:43 7:1
8:1125 12:1871 13:210 14:1796 15:32 16:3
17:191 18:54 20:51 23:2489 24:2341 25:2
27:2478 31:2012 32:88 35:29 36:522 37:2896
38:1495 39:257 40:118 41:3191 42:702 43:1975
44:120 45:5363 46:3116 47:199 49:1339 50:1054
51:318 52:1088 54:368 55:1 56:12 57:39
58:1629 59:992 60:406 61:2113 62:1870 63:1790
64:5078 65:2201 66:4716 67:2673 68:1147 69:3306
70:1157 71:582 72:2191 74:2724 75:416 76:464
77:1650 78:1690 79:2253 80:1569 81:1393 82:1065
83:782 84:1034 85:1998 86:561 87:1364 88:908
89:2355 90:214 91:6434 92:1260 93:2377 94:2406
95:2961 96:901 97:355 98:935 99:133 100:84
101:989 102:184 103:18502 104:3533 105:215 106:769
107:1769 108:710 109:3324 110:1645 111:1800 112:1337
113:1306 114:1130 115:1646 116:1655 117:1775 118:2214
119:1659 120:1015 121:1043 122:2423 123:1725 124:1447
125:1920 128:1129 129:671 130:494 131:1620 132:732
133:190 134:1003 135:232 136:507 137:651 138:1942
139:677 140:475 141:737 142:851 143:1000 144:810
145:476 146:1230 147:735 148:1643 149:757 150:756
151:1097 152:825 153:323 154:1489 155:800 156:1464
157:799 158:657 159:1840 160:1312 161:810 162:2633
163:605 164:1077 165:1552 166:462 167:1257 168:3150
169:831 170:3859 171:492 172:1007 173:2087 174:971
175:796 176:2029 177:4013 178:2501 179:1269 180:2180
181:2412 182:2350 183:1254 184:1062 185:13979 186:3538
187:2425 188:2899 189:2000 190:8157 191:1354 192:9803
193:6103 194:5017 195:3992 196:2743 197:1612 198:5573
199:5914 200:7435 201:4876 202:10293 203:10269 204:4571
205:2903 206:3197 207:3209 208:3933 209:4027 210:3884
211:1998 212:3044 213:2818 214:1037 215:56 216:5999
217:2130 218:860 219:567 220:1807 221:998 222:971
223:1372
End of report
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