[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 20 18:03:09 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 21 Jul, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 706689
Prefixes after maximum aggregation (per Origin AS): 271490
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 339522
Total ASes present in the Internet Routing Table: 61277
Prefixes per ASN: 11.53
Origin-only ASes present in the Internet Routing Table: 52941
Origin ASes announcing only one prefix: 23079
Transit ASes present in the Internet Routing Table: 8336
Transit-only ASes present in the Internet Routing Table: 278
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 56
Number of instances of unregistered ASNs: 59
Number of 32-bit ASNs allocated by the RIRs: 23343
Number of 32-bit ASNs visible in the Routing Table: 18822
Prefixes from 32-bit ASNs in the Routing Table: 78370
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 289
Number of addresses announced to Internet: 2856751939
Equivalent to 170 /8s, 70 /16s and 147 /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: 235774
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 192804
Total APNIC prefixes after maximum aggregation: 54910
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 191212
Unique aggregates announced from the APNIC address blocks: 78530
APNIC Region origin ASes present in the Internet Routing Table: 8959
APNIC Prefixes per ASN: 21.34
APNIC Region origin ASes announcing only one prefix: 2522
APNIC Region transit ASes present in the Internet Routing Table: 1335
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3919
Number of APNIC addresses announced to Internet: 767822850
Equivalent to 45 /8s, 196 /16s and 12 /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: 209991
Total ARIN prefixes after maximum aggregation: 99923
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 210273
Unique aggregates announced from the ARIN address blocks: 99476
ARIN Region origin ASes present in the Internet Routing Table: 18190
ARIN Prefixes per ASN: 11.56
ARIN Region origin ASes announcing only one prefix: 6725
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: 2386
Number of ARIN addresses announced to Internet: 1102400672
Equivalent to 65 /8s, 181 /16s and 76 /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: 193597
Total RIPE prefixes after maximum aggregation: 92449
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 189728
Unique aggregates announced from the RIPE address blocks: 112597
RIPE Region origin ASes present in the Internet Routing Table: 25313
RIPE Prefixes per ASN: 7.50
RIPE Region origin ASes announcing only one prefix: 11414
RIPE Region transit ASes present in the Internet Routing Table: 3490
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: 7187
Number of RIPE addresses announced to Internet: 714018432
Equivalent to 42 /8s, 143 /16s and 14 /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: 91068
Total LACNIC prefixes after maximum aggregation: 20101
LACNIC Deaggregation factor: 4.53
Prefixes being announced from the LACNIC address blocks: 92487
Unique aggregates announced from the LACNIC address blocks: 40809
LACNIC Region origin ASes present in the Internet Routing Table: 7333
LACNIC Prefixes per ASN: 12.61
LACNIC Region origin ASes announcing only one prefix: 2029
LACNIC Region transit ASes present in the Internet Routing Table: 1382
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4880
Number of LACNIC addresses announced to Internet: 172083488
Equivalent to 10 /8s, 65 /16s and 201 /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: 19172
Total AfriNIC prefixes after maximum aggregation: 4062
AfriNIC Deaggregation factor: 4.72
Prefixes being announced from the AfriNIC address blocks: 22700
Unique aggregates announced from the AfriNIC address blocks: 7856
AfriNIC Region origin ASes present in the Internet Routing Table: 1175
AfriNIC Prefixes per ASN: 19.32
AfriNIC Region origin ASes announcing only one prefix: 389
AfriNIC Region transit ASes present in the Internet Routing Table: 236
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 450
Number of AfriNIC addresses announced to Internet: 99974400
Equivalent to 5 /8s, 245 /16s and 125 /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 4690 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4348 467 459 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2948 1153 83 VIETEL-AS-AP Viettel Group, VN
4766 2853 11130 764 KIXS-AS-KR Korea Telecom, KR
9829 2813 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2658 1633 114 VNPT-AS-VN VNPT Corp, VN
9394 2542 4907 31 CTTNET China TieTong Telecommunications
17974 2260 930 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2236 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2115 417 205 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 3431 1324 84 SHAW - Shaw Communications Inc., CA
22773 3271 2968 148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2550 247 462 CABLEONE - CABLE ONE, INC., US
16509 2248 4727 753 AMAZON-02 - Amazon.com, Inc., US
18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2114 2591 478 CHARTER-NET-HKY-NC - Charter Communicat
30036 2004 343 154 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1994 5070 605 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16625 1966 988 1404 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1751 20201 1270 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 4543 1609 122 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2547 623 1880 AKAMAI-ASN1, US
8551 2536 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2014 1877 708 ROSTELECOM-AS, RU
34984 2009 335 499 TELLCOM-AS, TR
9121 1879 1692 19 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1210 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 5007 3299 589 Uninet S.A. de C.V., MX
10620 3560 541 256 Telmex Colombia S.A., CO
11830 2655 369 78 Instituto Costarricense de Electricidad
6503 1669 443 62 Axtel, S.A.B. de C.V., MX
7303 1507 1026 188 Telecom Argentina S.A., AR
28573 1035 2248 184 CLARO S.A., BR
3816 1023 508 129 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 936 377 31 Telefonica del Peru S.A.A., PE
11172 929 127 86 Alestra, S. de R.L. de C.V., MX
18881 913 1078 30 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 1172 396 48 LINKdotNET-AS, EG
37611 884 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 744 1411 40 ETISALAT-MISR, EG
8452 635 1730 18 TE-AS TE-AS, EG
24835 635 818 18 RAYA-AS, EG
37492 472 470 57 ORANGE-, TN
29571 457 68 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 378 231 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 5007 3299 589 Uninet S.A. de C.V., MX
4538 4690 4192 74 ERX-CERNET-BKB China Education and Rese
12479 4543 1609 122 UNI2-AS, ES
7545 4348 467 459 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3560 541 256 Telmex Colombia S.A., CO
6327 3431 1324 84 SHAW - Shaw Communications Inc., CA
22773 3271 2968 148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2948 1153 83 VIETEL-AS-AP Viettel Group, VN
4766 2853 11130 764 KIXS-AS-KR Korea Telecom, KR
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 4690 4616 ERX-CERNET-BKB China Education and Research Net
12479 4543 4421 UNI2-AS, ES
7545 4348 3889 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3431 3347 SHAW - Shaw Communications Inc., CA
10620 3560 3304 Telmex Colombia S.A., CO
22773 3271 3123 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2948 2865 VIETEL-AS-AP Viettel Group, VN
11830 2655 2577 Instituto Costarricense de Electricidad y Telec
45899 2658 2544 VNPT-AS-VN VNPT Corp, VN
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
4200015017 PRIVATE 47.74.136.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.74.161.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.74.203.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.88.147.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
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
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
43.251.84.0/22 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 /8:14 /9:11 /10:36 /11:99 /12:291
/13:570 /14:1095 /15:1894 /16:13348 /17:7939 /18:13760
/19:25331 /20:39376 /21:45625 /22:87778 /23:71260 /24:396097
/25:802 /26:607 /27:624 /28:35 /29:20 /30:19
/31:6 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3291 4543 UNI2-AS, ES
6327 3217 3431 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2535 3271 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US
11830 2004 2655 Instituto Costarricense de Electricidad y Telec
8551 1998 2536 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1972 2550 CABLEONE - CABLE ONE, INC., US
30036 1756 2004 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1613 3560 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)
----------------------------------------------
1:1615 2:834 4:18 5:2854 6:40 7:1
8:1125 12:1869 13:206 14:1765 15:29 16:3
17:188 18:54 20:50 23:2460 24:2224 25:2
27:2475 31:2041 32:92 35:27 36:508 37:2821
38:1482 39:248 40:121 41:3152 42:690 43:1959
44:121 45:5012 46:3094 47:203 49:1332 50:1056
51:317 52:1070 54:372 55:4 56:12 57:39
58:1618 59:993 60:401 61:2102 62:1876 63:1790
64:5026 65:2196 66:4673 67:2423 68:1170 69:3266
70:1157 71:580 72:2137 74:2704 75:422 76:459
77:1545 78:1712 79:1817 80:1535 81:1384 82:1075
83:790 84:1077 85:2012 86:561 87:1351 88:929
89:2350 90:216 91:6433 92:1251 93:2383 94:2395
95:2917 96:781 97:359 98:935 99:133 100:85
101:1231 102:146 103:18174 104:3567 105:213 106:738
107:1789 108:694 109:3180 110:1624 111:1773 112:1309
113:1292 114:1133 115:1660 116:1631 117:1763 118:2209
119:1658 120:1003 121:1063 122:2462 123:1757 124:1448
125:1912 128:1082 129:674 130:489 131:1636 132:697
133:195 134:1020 135:225 136:502 137:651 138:1942
139:661 140:468 141:730 142:803 143:1022 144:801
145:486 146:1197 147:725 148:1644 149:756 150:749
151:1096 152:794 153:320 154:1429 155:789 156:1136
157:799 158:654 159:1779 160:1262 161:785 162:2574
163:604 164:1071 165:1521 166:449 167:1302 168:3113
169:821 170:3805 171:488 172:994 173:1983 174:905
175:769 176:1994 177:4067 178:2540 179:1235 180:2169
181:2358 182:2405 183:1238 184:1034 185:13807 186:3564
187:2439 188:2843 189:2045 190:8131 191:1309 192:9789
193:6062 194:4898 195:3977 196:2643 197:1588 198:5554
199:5906 200:7312 201:4988 202:10236 203:10256 204:4583
205:2893 206:3164 207:3179 208:3984 209:3997 210:3888
211:1984 212:3023 213:2784 214:1046 215:57 216:6035
217:2134 218:859 219:577 220:1785 221:985 222:971
223:1352
End of report
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