[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 7 Juin 18:03:38 UTC 2019
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 08 Jun, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 757473
Prefixes after maximum aggregation (per Origin AS): 291275
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 362403
Total ASes present in the Internet Routing Table: 64457
Prefixes per ASN: 11.75
Origin-only ASes present in the Internet Routing Table: 55455
Origin ASes announcing only one prefix: 23832
Transit ASes present in the Internet Routing Table: 9002
Transit-only ASes present in the Internet Routing Table: 275
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 25
Number of instances of unregistered ASNs: 28
Number of 32-bit ASNs allocated by the RIRs: 27264
Number of 32-bit ASNs visible in the Routing Table: 22288
Prefixes from 32-bit ASNs in the Routing Table: 100069
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 246
Number of addresses announced to Internet: 2839509120
Equivalent to 169 /8s, 63 /16s and 120 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.3
Total number of prefixes smaller than registry allocations: 252705
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 204836
Total APNIC prefixes after maximum aggregation: 60878
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 200984
Unique aggregates announced from the APNIC address blocks: 83016
APNIC Region origin ASes present in the Internet Routing Table: 9790
APNIC Prefixes per ASN: 20.53
APNIC Region origin ASes announcing only one prefix: 2717
APNIC Region transit ASes present in the Internet Routing Table: 1468
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4794
Number of APNIC addresses announced to Internet: 772705920
Equivalent to 46 /8s, 14 /16s and 142 /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: 225582
Total ARIN prefixes after maximum aggregation: 105116
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 224535
Unique aggregates announced from the ARIN address blocks: 105850
ARIN Region origin ASes present in the Internet Routing Table: 18490
ARIN Prefixes per ASN: 12.14
ARIN Region origin ASes announcing only one prefix: 6849
ARIN Region transit ASes present in the Internet Routing Table: 1898
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2734
Number of ARIN addresses announced to Internet: 1067608192
Equivalent to 63 /8s, 162 /16s and 104 /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, 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: 208753
Total RIPE prefixes after maximum aggregation: 98717
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 204996
Unique aggregates announced from the RIPE address blocks: 121288
RIPE Region origin ASes present in the Internet Routing Table: 26131
RIPE Prefixes per ASN: 7.84
RIPE Region origin ASes announcing only one prefix: 11576
RIPE Region transit ASes present in the Internet Routing Table: 3724
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8179
Number of RIPE addresses announced to Internet: 719857280
Equivalent to 42 /8s, 232 /16s and 38 /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: 97031
Total LACNIC prefixes after maximum aggregation: 22219
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 98446
Unique aggregates announced from the LACNIC address blocks: 42838
LACNIC Region origin ASes present in the Internet Routing Table: 8469
LACNIC Prefixes per ASN: 11.62
LACNIC Region origin ASes announcing only one prefix: 2249
LACNIC Region transit ASes present in the Internet Routing Table: 1540
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6018
Number of LACNIC addresses announced to Internet: 173985792
Equivalent to 10 /8s, 94 /16s and 208 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21245
Total AfriNIC prefixes after maximum aggregation: 4324
AfriNIC Deaggregation factor: 4.91
Prefixes being announced from the AfriNIC address blocks: 28266
Unique aggregates announced from the AfriNIC address blocks: 9196
AfriNIC Region origin ASes present in the Internet Routing Table: 1284
AfriNIC Prefixes per ASN: 22.01
AfriNIC Region origin ASes announcing only one prefix: 441
AfriNIC Region transit ASes present in the Internet Routing Table: 248
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 563
Number of AfriNIC addresses announced to Internet: 105102848
Equivalent to 6 /8s, 67 /16s and 190 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 4750 548 537 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3164 1443 32 VIETEL-AS-AP Viettel Group, VN
45899 3036 1753 114 VNPT-AS-VN VNPT Corp, VN
9808 2833 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2736 1496 552 BSNL-NIB National Internet Backbone, IN
4766 2529 11119 759 KIXS-AS-KR Korea Telecom, KR
4755 2139 428 182 TATACOMM-AS TATA Communications formerl
9394 2094 4882 26 CTTNET China TieTong Telecommunications
9498 2066 427 173 BBIL-AP BHARTI Airtel Ltd., IN
23969 1775 314 16 TOT-NET TOT Public Company Limited, TH
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
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3646 238 611 CABLEONE - CABLE ONE, INC., US
6327 3611 1324 89 SHAW - Shaw Communications Inc., CA
22773 3413 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2856 6276 1247 AMAZON-02 - Amazon.com, Inc., US
16625 2497 1367 1875 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2163 347 189 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2151 2760 526 CHARTER-20115 - Charter Communications,
18566 2099 405 108 MEGAPATH5-US - MegaPath Corporation, US
5650 2085 3074 1461 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 5451 1629 141 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3168 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2668 510 1920 AKAMAI-ASN1, US
12389 2244 2225 633 ROSTELECOM-AS, RU
34984 2100 346 548 TELLCOM-AS, TR
9121 1663 1692 18 TTNET, TR
13188 1604 100 47 TRIOLAN, UA
9009 1512 161 827 M247, GB
61317 1379 137 383 ASDETUK http://www.heficed.com, GB
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 5822 3373 566 Uninet S.A. de C.V., MX
10620 3418 533 440 Telmex Colombia S.A., CO
11830 2709 384 36 Instituto Costarricense de Electricidad
7303 1485 1024 256 Telecom Argentina S.A., AR
28573 1413 2240 205 CLARO S.A., BR
6503 1236 441 54 Axtel, S.A.B. de C.V., MX
3816 1101 535 145 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1084 377 31 Telefonica del Peru S.A.A., PE
13999 994 514 242 Mega Cable, S.A. de C.V., MX
11172 938 144 62 Alestra, S. de R.L. 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 1162 393 21 LINKdotNET-AS, EG
37611 967 107 9 Afrihost, ZA
24835 888 624 21 RAYA-AS, EG
36992 859 1536 69 ETISALAT-MISR, EG
36903 827 416 126 MT-MPLS, MA
8452 665 1731 19 TE-AS TE-AS, EG
29571 514 68 11 ORANGE-COTE-IVOIRE, CI
37492 474 470 57 ORANGE-, TN
37342 414 32 1 MOVITEL, MZ
15399 412 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 5822 3373 566 Uninet S.A. de C.V., MX
12479 5451 1629 141 UNI2-AS, ES
7545 4750 548 537 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3646 238 611 CABLEONE - CABLE ONE, INC., US
6327 3611 1324 89 SHAW - Shaw Communications Inc., CA
10620 3418 533 440 Telmex Colombia S.A., CO
22773 3413 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3168 379 46 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 5451 5310 UNI2-AS, ES
7545 4750 4213 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3611 3522 SHAW - Shaw Communications Inc., CA
22773 3413 3257 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3164 3132 VIETEL-AS-AP Viettel Group, VN
8551 3168 3122 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3646 3035 CABLEONE - CABLE ONE, INC., US
10620 3418 2978 Telmex Colombia S.A., CO
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
267804 UNALLOCATED 45.172.108.0/22 52361 ARSAT - Empresa Argentina de S
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
130974 UNALLOCATED 103.139.78.0/24 139074 TDL-AS-AP TECHNOLOGY DIRECTION
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.136.48.0/24 54009 ASN-01-HOSTINGESSENTIALS-MI1 - Hosting Essentials,
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
36.255.72.0/22 13768 COGECO-PEER1 - Cogeco Peer 1, CA
41.76.136.0/22 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
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 /8:11 /9:11 /10:37 /11:100 /12:294
/13:570 /14:1127 /15:1913 /16:13269 /17:8004 /18:13982
/19:25870 /20:40322 /21:47421 /22:94564 /23:76907 /24:432149
/25:922 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4407 5451 UNI2-AS, ES
6327 3401 3611 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2856 3646 CABLEONE - CABLE ONE, INC., US
22773 2650 3413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2621 3168 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2053 2709 Instituto Costarricense de Electricidad y Telec
18566 1994 2099 MEGAPATH5-US - MegaPath Corporation, US
30036 1914 2163 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1692 2:1029 3:6 4:21 5:3164 6:47
7:1 8:1324 9:1 12:1803 13:346 14:2029
15:35 16:6 17:264 18:66 20:52 23:2718
24:2526 25:4 27:2444 31:1999 32:100 35:36
36:865 37:3038 38:1754 39:279 40:123 41:3190
42:819 43:2047 44:152 45:8191 46:3322 47:263
49:1365 50:1101 51:331 52:1016 54:281 55:710
56:6 57:47 58:1765 59:1071 60:516 61:2188
62:2124 63:1827 64:4992 65:2204 66:4844 67:2780
68:1164 69:3537 70:1367 71:639 72:2622 74:2733
75:1291 76:558 77:1807 78:1836 79:2311 80:1808
81:1494 82:1132 83:941 84:1146 85:2281 86:563
87:1562 88:1049 89:2656 90:215 91:6590 92:1415
93:2464 94:2456 95:3298 96:948 97:346 98:959
99:768 100:86 101:1162 102:625 103:21366 104:3536
105:262 106:778 107:1749 108:695 109:3696 110:1704
111:2044 112:1531 113:1372 114:1232 115:1738 116:1753
117:1913 118:2141 119:1645 120:1056 121:1045 122:2283
123:1750 124:1482 125:2014 128:1342 129:817 130:534
131:1807 132:829 133:222 134:1098 135:248 136:576
137:772 138:2075 139:884 140:600 141:883 142:811
143:1058 144:896 145:489 146:1282 147:825 148:1685
149:965 150:787 151:1014 152:1084 153:335 154:3493
155:917 156:1687 157:1006 158:661 159:1955 160:1587
161:939 162:2951 163:829 164:1194 165:1604 166:449
167:1409 168:3306 169:891 170:4119 171:595 172:1650
173:2230 174:1049 175:964 176:2348 177:4163 178:2540
179:1429 180:2158 181:2414 182:2709 183:1084 184:2260
185:15183 186:3651 187:2476 188:2949 189:1976 190:8208
191:1527 192:10062 193:6690 194:5460 195:4145 196:3117
197:1601 198:5932 199:5976 200:7098 201:5098 202:10423
203:10212 204:4544 205:3052 206:3242 207:3243 208:3953
209:4277 210:3926 211:2016 212:3097 213:2951 214:1107
215:55 216:5927 217:2241 218:877 219:605 220:1883
221:974 222:979 223:1370
End of report
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