[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 21 18:03:02 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 22 Sep, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 717186
Prefixes after maximum aggregation (per Origin AS): 275396
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 344253
Total ASes present in the Internet Routing Table: 61918
Prefixes per ASN: 11.58
Origin-only ASes present in the Internet Routing Table: 53461
Origin ASes announcing only one prefix: 23313
Transit ASes present in the Internet Routing Table: 8457
Transit-only ASes present in the Internet Routing Table: 263
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 36
Max AS path prepend of ASN ( 30873) 34
Prefixes from unregistered ASNs in the Routing Table: 66
Number of instances of unregistered ASNs: 66
Number of 32-bit ASNs allocated by the RIRs: 24155
Number of 32-bit ASNs visible in the Routing Table: 19503
Prefixes from 32-bit ASNs in the Routing Table: 81974
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 312
Number of addresses announced to Internet: 2852765379
Equivalent to 170 /8s, 9 /16s and 190 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 239906
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 195142
Total APNIC prefixes after maximum aggregation: 55652
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 193036
Unique aggregates announced from the APNIC address blocks: 79550
APNIC Region origin ASes present in the Internet Routing Table: 9105
APNIC Prefixes per ASN: 21.20
APNIC Region origin ASes announcing only one prefix: 2568
APNIC Region transit ASes present in the Internet Routing Table: 1353
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: 4066
Number of APNIC addresses announced to Internet: 767534722
Equivalent to 45 /8s, 191 /16s and 166 /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: 213254
Total ARIN prefixes after maximum aggregation: 100728
ARIN Deaggregation factor: 2.12
Prefixes being announced from the ARIN address blocks: 212954
Unique aggregates announced from the ARIN address blocks: 101173
ARIN Region origin ASes present in the Internet Routing Table: 18240
ARIN Prefixes per ASN: 11.68
ARIN Region origin ASes announcing only one prefix: 6761
ARIN Region transit ASes present in the Internet Routing Table: 1810
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: 2433
Number of ARIN addresses announced to Internet: 1097175968
Equivalent to 65 /8s, 101 /16s and 147 /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: 196125
Total RIPE prefixes after maximum aggregation: 93529
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 192440
Unique aggregates announced from the RIPE address blocks: 113807
RIPE Region origin ASes present in the Internet Routing Table: 25510
RIPE Prefixes per ASN: 7.54
RIPE Region origin ASes announcing only one prefix: 11495
RIPE Region transit ASes present in the Internet Routing Table: 3518
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7420
Number of RIPE addresses announced to Internet: 714498432
Equivalent to 42 /8s, 150 /16s and 97 /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: 93003
Total LACNIC prefixes after maximum aggregation: 21234
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 94383
Unique aggregates announced from the LACNIC address blocks: 41228
LACNIC Region origin ASes present in the Internet Routing Table: 7575
LACNIC Prefixes per ASN: 12.46
LACNIC Region origin ASes announcing only one prefix: 2085
LACNIC Region transit ASes present in the Internet Routing Table: 1433
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: 5115
Number of LACNIC addresses announced to Internet: 172168992
Equivalent to 10 /8s, 67 /16s and 23 /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: 19595
Total AfriNIC prefixes after maximum aggregation: 4194
AfriNIC Deaggregation factor: 4.67
Prefixes being announced from the AfriNIC address blocks: 24061
Unique aggregates announced from the AfriNIC address blocks: 8230
AfriNIC Region origin ASes present in the Internet Routing Table: 1200
AfriNIC Prefixes per ASN: 20.05
AfriNIC Region origin ASes announcing only one prefix: 404
AfriNIC Region transit ASes present in the Internet Routing Table: 242
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 469
Number of AfriNIC addresses announced to Internet: 100942592
Equivalent to 6 /8s, 4 /16s and 67 /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 4633 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4445 483 474 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2996 1154 90 VIETEL-AS-AP Viettel Group, VN
4766 2823 11130 765 KIXS-AS-KR Korea Telecom, KR
9829 2811 1495 540 BSNL-NIB National Internet Backbone, IN
45899 2751 1666 157 VNPT-AS-VN VNPT Corp, VN
9394 2646 4907 31 CTTNET China TieTong Telecommunications
9808 2266 8699 26 CMNET-GD Guangdong Mobile Communication
17974 2247 956 76 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2120 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
11492 3580 241 447 CABLEONE - CABLE ONE, INC., US
6327 3469 1324 82 SHAW - Shaw Communications Inc., CA
22773 3238 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2289 4938 794 AMAZON-02 - Amazon.com, Inc., US
18566 2163 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2157 2741 520 CHARTER-NET-HKY-NC - Charter Communicat
30036 2047 347 138 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2044 5082 606 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16625 1998 1077 1505 AKAMAI-AS - Akamai Technologies, Inc.,
5650 1887 3224 1320 FRONTIER-FRTR - Frontier Communications
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 4897 1614 126 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3061 378 51 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2579 606 1918 AKAMAI-ASN1, US
12389 2058 1943 698 ROSTELECOM-AS, RU
34984 2040 336 508 TELLCOM-AS, TR
9121 1905 1691 16 TTNET, TR
13188 1603 100 46 TRIOLAN, UA
8402 1266 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 355 21 UKRTELNET, UA
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 5439 3320 604 Uninet S.A. de C.V., MX
10620 3225 493 777 Telmex Colombia S.A., CO
11830 2653 370 81 Instituto Costarricense de Electricidad
6503 1654 444 66 Axtel, S.A.B. de C.V., MX
7303 1431 954 205 Telecom Argentina S.A., AR
28573 1095 2231 196 CLARO S.A., BR
3816 1016 509 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 944 377 31 Telefonica del Peru S.A.A., PE
11172 933 128 70 Alestra, S. de R.L. de C.V., MX
18881 919 1114 28 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 1196 396 48 LINKdotNET-AS, EG
37611 902 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 749 1411 41 ETISALAT-MISR, EG
24835 658 818 18 RAYA-AS, EG
8452 604 1728 14 TE-AS TE-AS, EG
37492 473 470 55 ORANGE-, TN
29571 463 70 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 376 231 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 5439 3320 604 Uninet S.A. de C.V., MX
12479 4897 1614 126 UNI2-AS, ES
4538 4633 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4445 483 474 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3580 241 447 CABLEONE - CABLE ONE, INC., US
6327 3469 1324 82 SHAW - Shaw Communications Inc., CA
22773 3238 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3225 493 777 Telmex Colombia S.A., CO
8551 3061 378 51 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
12479 4897 4771 UNI2-AS, ES
4538 4633 4559 ERX-CERNET-BKB China Education and Research Net
7545 4445 3971 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3469 3387 SHAW - Shaw Communications Inc., CA
11492 3580 3133 CABLEONE - CABLE ONE, INC., US
22773 3238 3082 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3061 3010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2996 2906 VIETEL-AS-AP Viettel Group, VN
9394 2646 2615 CTTNET China TieTong Telecommunications Corpora
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
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
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
64643 PRIVATE 119.44.18.0/24 9394 CTTNET China TieTong Telecommu
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
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
41.76.140.0/24 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 /10:36 /11:98 /12:289
/13:564 /14:1099 /15:1883 /16:13329 /17:7899 /18:13801
/19:25339 /20:39520 /21:45890 /22:89020 /23:72940 /24:403255
/25:821 /26:620 /27:627 /28:36 /29:21 /30:19
/31:4 /32:51
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3649 4897 UNI2-AS, ES
6327 3256 3469 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2831 3580 CABLEONE - CABLE ONE, INC., US
8551 2517 3061 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2500 3238 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2057 2163 MEGAPATH5-US - MegaPath Corporation, US
11830 2003 2653 Instituto Costarricense de Electricidad y Telec
30036 1795 2047 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1554 1887 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1597 2:846 4:18 5:2826 6:44 7:1
8:1115 12:1866 13:211 14:1811 15:34 16:3
17:196 18:55 20:50 23:2478 24:2413 25:2
27:2498 31:1982 32:88 35:29 36:534 37:2840
38:1531 39:261 40:112 41:3221 42:708 43:1920
44:117 45:5558 46:3116 47:215 49:1349 50:1058
51:318 52:1087 54:367 55:3 56:12 57:38
58:1613 59:986 60:417 61:2089 62:1901 63:1799
64:5041 65:2205 66:4747 67:2676 68:1151 69:3362
70:1158 71:576 72:2228 74:2724 75:416 76:458
77:1616 78:1732 79:2240 80:1568 81:1399 82:1061
83:791 84:1042 85:2026 86:563 87:1427 88:938
89:2341 90:211 91:6437 92:1280 93:2371 94:2432
95:3031 96:933 97:354 98:927 99:142 100:87
101:1197 102:210 103:18648 104:3524 105:218 106:761
107:1799 108:706 109:3328 110:1645 111:1806 112:1335
113:1306 114:1141 115:1677 116:1672 117:1784 118:2201
119:1668 120:1081 121:1056 122:2372 123:1639 124:1428
125:1930 128:1166 129:682 130:499 131:1612 132:724
133:191 134:1033 135:236 136:513 137:661 138:1927
139:685 140:536 141:751 142:844 143:1033 144:807
145:482 146:1242 147:733 148:1679 149:771 150:759
151:1101 152:845 153:323 154:1813 155:916 156:1465
157:808 158:659 159:1856 160:1445 161:828 162:2657
163:620 164:1094 165:1558 166:455 167:1214 168:3156
169:849 170:3982 171:492 172:1000 173:2087 174:997
175:802 176:2084 177:3984 178:2522 179:1294 180:2152
181:2426 182:2368 183:1269 184:1133 185:14124 186:3584
187:2520 188:2909 189:2030 190:8215 191:1412 192:9858
193:6256 194:5053 195:4001 196:2761 197:1610 198:5601
199:5964 200:7373 201:4973 202:10221 203:10279 204:4606
205:2890 206:3209 207:3195 208:3935 209:4106 210:3869
211:1999 212:3030 213:2811 214:1042 215:54 216:6030
217:2138 218:867 219:567 220:1812 221:999 222:994
223:1382
End of report
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