[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 16 18:03:29 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 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 17 Nov, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 726297
Prefixes after maximum aggregation (per Origin AS): 279323
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 348399
Total ASes present in the Internet Routing Table: 62474
Prefixes per ASN: 11.63
Origin-only ASes present in the Internet Routing Table: 53901
Origin ASes announcing only one prefix: 23425
Transit ASes present in the Internet Routing Table: 8573
Transit-only ASes present in the Internet Routing Table: 254
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 34
Number of instances of unregistered ASNs: 34
Number of 32-bit ASNs allocated by the RIRs: 24905
Number of 32-bit ASNs visible in the Routing Table: 20153
Prefixes from 32-bit ASNs in the Routing Table: 86126
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 263
Number of addresses announced to Internet: 2862740641
Equivalent to 170 /8s, 161 /16s and 244 /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: 99.1
Total number of prefixes smaller than registry allocations: 242331
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 198594
Total APNIC prefixes after maximum aggregation: 56383
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 196021
Unique aggregates announced from the APNIC address blocks: 80441
APNIC Region origin ASes present in the Internet Routing Table: 9236
APNIC Prefixes per ASN: 21.22
APNIC Region origin ASes announcing only one prefix: 2584
APNIC Region transit ASes present in the Internet Routing Table: 1369
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: 4219
Number of APNIC addresses announced to Internet: 768640640
Equivalent to 45 /8s, 208 /16s and 134 /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: 215480
Total ARIN prefixes after maximum aggregation: 102201
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 214804
Unique aggregates announced from the ARIN address blocks: 102213
ARIN Region origin ASes present in the Internet Routing Table: 18304
ARIN Prefixes per ASN: 11.74
ARIN Region origin ASes announcing only one prefix: 6806
ARIN Region transit ASes present in the Internet Routing Table: 1835
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2505
Number of ARIN addresses announced to Internet: 1103190176
Equivalent to 65 /8s, 193 /16s and 88 /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: 198202
Total RIPE prefixes after maximum aggregation: 94737
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 194634
Unique aggregates announced from the RIPE address blocks: 115231
RIPE Region origin ASes present in the Internet Routing Table: 25636
RIPE Prefixes per ASN: 7.59
RIPE Region origin ASes announcing only one prefix: 11479
RIPE Region transit ASes present in the Internet Routing Table: 3546
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: 7587
Number of RIPE addresses announced to Internet: 715506304
Equivalent to 42 /8s, 165 /16s and 194 /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: 93976
Total LACNIC prefixes after maximum aggregation: 21764
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 95375
Unique aggregates announced from the LACNIC address blocks: 41696
LACNIC Region origin ASes present in the Internet Routing Table: 7804
LACNIC Prefixes per ASN: 12.22
LACNIC Region origin ASes announcing only one prefix: 2147
LACNIC Region transit ASes present in the Internet Routing Table: 1481
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5349
Number of LACNIC addresses announced to Internet: 172593664
Equivalent to 10 /8s, 73 /16s and 146 /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: 20010
Total AfriNIC prefixes after maximum aggregation: 4210
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 25200
Unique aggregates announced from the AfriNIC address blocks: 8571
AfriNIC Region origin ASes present in the Internet Routing Table: 1219
AfriNIC Prefixes per ASN: 20.67
AfriNIC Region origin ASes announcing only one prefix: 409
AfriNIC Region transit ASes present in the Internet Routing Table: 245
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: 493
Number of AfriNIC addresses announced to Internet: 102417408
Equivalent to 6 /8s, 26 /16s and 196 /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 4639 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4610 518 515 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3012 1154 94 VIETEL-AS-AP Viettel Group, VN
45899 2947 1689 111 VNPT-AS-VN VNPT Corp, VN
4766 2799 11130 764 KIXS-AS-KR Korea Telecom, KR
9829 2747 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2428 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2407 4907 31 CTTNET China TieTong Telecommunications
17974 2247 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2123 421 172 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 3486 1324 84 SHAW - Shaw Communications Inc., CA
11492 3466 224 627 CABLEONE - CABLE ONE, INC., US
22773 3277 2973 166 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2503 5215 930 AMAZON-02 - Amazon.com, Inc., US
18566 2154 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2145 2739 544 CHARTER-NET-HKY-NC - Charter Communicat
16625 2121 1146 1574 AKAMAI-AS - Akamai Technologies, Inc.,
5650 2086 3074 1461 FRONTIER-FRTR - Frontier Communications
30036 2066 347 135 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2044 5079 594 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5092 1613 133 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3038 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2579 569 1918 AKAMAI-ASN1, US
12389 2186 2194 617 ROSTELECOM-AS, RU
34984 2042 337 540 TELLCOM-AS, TR
9121 1845 1691 17 TTNET, TR
13188 1605 100 42 TRIOLAN, UA
8402 1285 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1218 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 5462 3313 605 Uninet S.A. de C.V., MX
10620 3120 475 885 Telmex Colombia S.A., CO
11830 2668 370 75 Instituto Costarricense de Electricidad
6503 1660 449 54 Axtel, S.A.B. de C.V., MX
7303 1441 963 208 Telecom Argentina S.A., AR
28573 1192 2237 191 CLARO S.A., BR
6147 1111 377 29 Telefonica del Peru S.A.A., PE
3816 1021 512 118 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 938 145 72 Alestra, S. de R.L. de C.V., MX
13999 922 537 260 Mega Cable, S.A. de C.V., MX
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 1167 394 29 LINKdotNET-AS, EG
37611 905 107 9 Afrihost, ZA
36903 796 400 142 MT-MPLS, MA
36992 763 1411 43 ETISALAT-MISR, EG
8452 649 1728 15 TE-AS TE-AS, EG
24835 641 680 21 RAYA-AS, EG
37492 467 470 57 ORANGE-, TN
29571 464 70 12 ORANGE-COTE-IVOIRE, CI
23889 401 231 15 MauritiusTelecom, MU
15399 396 45 11 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
8151 5462 3313 605 Uninet S.A. de C.V., MX
12479 5092 1613 133 UNI2-AS, ES
4538 4639 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4610 518 515 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3486 1324 84 SHAW - Shaw Communications Inc., CA
11492 3466 224 627 CABLEONE - CABLE ONE, INC., US
22773 3277 2973 166 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3120 475 885 Telmex Colombia S.A., CO
8551 3038 378 43 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 5092 4959 UNI2-AS, ES
4538 4639 4565 ERX-CERNET-BKB China Education and Research Net
7545 4610 4095 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3486 3402 SHAW - Shaw Communications Inc., CA
22773 3277 3111 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3038 2995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3012 2918 VIETEL-AS-AP Viettel Group, VN
11492 3466 2839 CABLEONE - CABLE ONE, INC., US
45899 2947 2836 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
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
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
92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012 PRIVATE 132.190.106.0/24 64673 -Private Use AS-, ZZ
4230060012 PRIVATE 132.190.232.0/24 64673 -Private Use AS-, ZZ
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
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /12:290
/13:567 /14:1118 /15:1896 /16:13312 /17:7873 /18:13825
/19:25455 /20:39503 /21:46131 /22:90381 /23:74057 /24:409466
/25:828 /26:646 /27:653 /28:37 /29:20 /30:21
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3916 5092 UNI2-AS, ES
6327 3258 3486 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2754 3466 CABLEONE - CABLE ONE, INC., US
22773 2529 3277 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2494 3038 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2048 2154 MEGAPATH5-US - MegaPath Corporation, US
11830 2012 2668 Instituto Costarricense de Electricidad y Telec
30036 1815 2066 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2086 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)
----------------------------------------------
1:1626 2:891 4:18 5:2721 6:43 7:1
8:1143 12:1872 13:254 14:1877 15:34 16:3
17:196 18:58 20:48 23:2547 24:2420 25:2
27:2528 31:2007 32:85 35:31 36:535 37:2937
38:1567 39:272 40:120 41:3189 42:726 43:1987
44:133 45:6061 46:3057 47:237 49:1314 50:1071
51:318 52:1109 54:362 55:1 56:6 57:41
58:1701 59:1032 60:463 61:2093 62:1879 63:1799
64:5069 65:2199 66:4813 67:2643 68:1157 69:3372
70:1179 71:602 72:2236 74:2724 75:411 76:495
77:1691 78:1747 79:2219 80:1590 81:1416 82:1058
83:813 84:1067 85:2113 86:569 87:1497 88:938
89:2388 90:210 91:6481 92:1285 93:2389 94:2391
95:3078 96:913 97:348 98:940 99:161 100:87
101:1167 102:277 103:19218 104:3605 105:241 106:876
107:1828 108:705 109:3425 110:1635 111:1827 112:1407
113:1328 114:1146 115:1698 116:1662 117:1879 118:2207
119:1675 120:1118 121:1036 122:2344 123:1686 124:1454
125:1952 128:1211 129:667 130:513 131:1630 132:718
133:191 134:1039 135:229 136:532 137:668 138:1959
139:742 140:564 141:755 142:805 143:1011 144:842
145:498 146:1250 147:767 148:1686 149:781 150:769
151:996 152:890 153:325 154:2055 155:955 156:1581
157:844 158:653 159:1865 160:1467 161:884 162:2639
163:757 164:1113 165:1595 166:460 167:1340 168:3158
169:865 170:3997 171:499 172:1051 173:2103 174:988
175:832 176:2197 177:3999 178:2513 179:1310 180:2171
181:2379 182:2598 183:1481 184:1139 185:14352 186:3608
187:2483 188:2923 189:2027 190:8322 191:1387 192:9910
193:6422 194:5247 195:4034 196:2992 197:1790 198:5665
199:5997 200:7314 201:5003 202:10246 203:10195 204:4613
205:2996 206:3260 207:3220 208:3970 209:4176 210:3857
211:2017 212:3021 213:2819 214:1047 215:55 216:6036
217:2188 218:877 219:575 220:1827 221:998 222:969
223:1402
End of report
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