[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 7 18:03:24 UTC 2020
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 Feb, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 794073
Prefixes after maximum aggregation (per Origin AS): 302321
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 388517
Total ASes present in the Internet Routing Table: 66960
Prefixes per ASN: 11.86
Origin-only ASes present in the Internet Routing Table: 57545
Origin ASes announcing only one prefix: 24189
Transit ASes present in the Internet Routing Table: 9415
Transit-only ASes present in the Internet Routing Table: 284
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 1271
Number of instances of unregistered ASNs: 1276
Number of 32-bit ASNs allocated by the RIRs: 30466
Number of 32-bit ASNs visible in the Routing Table: 25070
Prefixes from 32-bit ASNs in the Routing Table: 114954
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1135
Number of addresses announced to Internet: 2853015424
Equivalent to 170 /8s, 13 /16s and 143 /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: 99.4
Total number of prefixes smaller than registry allocations: 266654
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210581
Total APNIC prefixes after maximum aggregation: 61335
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203953
Unique aggregates announced from the APNIC address blocks: 84920
APNIC Region origin ASes present in the Internet Routing Table: 10336
APNIC Prefixes per ASN: 19.73
APNIC Region origin ASes announcing only one prefix: 2851
APNIC Region transit ASes present in the Internet Routing Table: 1544
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: 5389
Number of APNIC addresses announced to Internet: 768260864
Equivalent to 45 /8s, 202 /16s and 187 /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, 131072-141625
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: 233275
Total ARIN prefixes after maximum aggregation: 107407
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 231228
Unique aggregates announced from the ARIN address blocks: 116855
ARIN Region origin ASes present in the Internet Routing Table: 18391
ARIN Prefixes per ASN: 12.57
ARIN Region origin ASes announcing only one prefix: 6756
ARIN Region transit ASes present in the Internet Routing Table: 1900
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3161
Number of ARIN addresses announced to Internet: 1078447104
Equivalent to 64 /8s, 71 /16s and 204 /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: 224258
Total RIPE prefixes after maximum aggregation: 104482
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 221082
Unique aggregates announced from the RIPE address blocks: 130501
RIPE Region origin ASes present in the Internet Routing Table: 26801
RIPE Prefixes per ASN: 8.25
RIPE Region origin ASes announcing only one prefix: 11706
RIPE Region transit ASes present in the Internet Routing Table: 3789
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8898
Number of RIPE addresses announced to Internet: 723789952
Equivalent to 43 /8s, 36 /16s and 40 /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: 103390
Total LACNIC prefixes after maximum aggregation: 23822
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 104554
Unique aggregates announced from the LACNIC address blocks: 45410
LACNIC Region origin ASes present in the Internet Routing Table: 9401
LACNIC Prefixes per ASN: 11.12
LACNIC Region origin ASes announcing only one prefix: 2394
LACNIC Region transit ASes present in the Internet Routing Table: 1774
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6973
Number of LACNIC addresses announced to Internet: 174266624
Equivalent to 10 /8s, 99 /16s and 25 /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: 21297
Total AfriNIC prefixes after maximum aggregation: 4473
AfriNIC Deaggregation factor: 4.76
Prefixes being announced from the AfriNIC address blocks: 32121
Unique aggregates announced from the AfriNIC address blocks: 9828
AfriNIC Region origin ASes present in the Internet Routing Table: 1360
AfriNIC Prefixes per ASN: 23.62
AfriNIC Region origin ASes announcing only one prefix: 482
AfriNIC Region transit ASes present in the Internet Routing Table: 265
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 649
Number of AfriNIC addresses announced to Internet: 107504384
Equivalent to 6 /8s, 104 /16s and 99 /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 5270 655 608 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3320 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3125 1790 109 VNPT-AS-VN VNPT Corp, VN
7713 2700 815 493 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2613 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2252 11101 562 KIXS-AS-KR Korea Telecom, KR
9498 2230 433 215 BBIL-AP BHARTI Airtel Ltd., IN
4755 2136 441 194 TATACOMM-AS TATA Communications formerl
9394 2092 4898 24 CTTNET China TieTong Telecommunications
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 4047 280 27 VIASAT-SP-BACKBONE, US
11492 3928 260 647 CABLEONE, US
16509 3812 7748 1683 AMAZON-02, US
22773 3523 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3367 1324 94 SHAW, CA
16625 2966 1555 2130 AKAMAI-AS, US
209 2344 5075 531 CENTURYLINK-US-LEGACY-QWEST, US
30036 2297 359 94 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2139 2784 519 CHARTER-20115, US
18566 2057 405 103 MEGAPATH5-, 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 5876 1623 131 UNI2-AS, ES
39891 3776 203 20 ALJAWWALSTC-AS, SA
31334 3436 484 13 KABELDEUTSCHLAND-AS, DE
8551 3086 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2834 452 1955 AKAMAI-ASN1, US
12389 2418 2244 700 ROSTELECOM-AS, RU
34984 2067 348 557 TELLCOM-AS, TR
9009 2043 213 1089 M247, GB
9121 1919 1691 18 TTNET, TR
13188 1604 100 47 TRIOLAN, 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 6210 3295 599 Uninet S.A. de C.V., MX
10620 3360 534 464 Telmex Colombia S.A., CO
11830 2682 369 63 Instituto Costarricense de Electricidad
6503 1669 323 392 Axtel, S.A.B. de C.V., MX
7303 1485 1030 267 Telecom Argentina S.A., AR
28573 1279 2223 224 CLARO S.A., BR
13999 1194 506 290 Mega Cable, S.A. de C.V., MX
3816 1122 562 135 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1109 379 39 Telefonica del Peru S.A.A., PE
11172 954 112 69 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
24835 1097 566 24 RAYA-AS, EG
24863 1092 393 22 LINKdotNET-AS, EG
36992 1040 1535 73 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 606 1863 34 IAM-AS, MA
29571 559 68 12 ORANGE-COTE-IVOIRE, CI
37342 474 32 1 MOVITEL, MZ
36935 383 522 40 Vodafone-, EG
23889 370 231 15 MauritiusTelecom, MU
15399 362 45 10 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 6210 3295 599 Uninet S.A. de C.V., MX
12479 5876 1623 131 UNI2-AS, ES
7545 5270 655 608 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4047 280 27 VIASAT-SP-BACKBONE, US
11492 3928 260 647 CABLEONE, US
16509 3812 7748 1683 AMAZON-02, US
39891 3776 203 20 ALJAWWALSTC-AS, SA
22773 3523 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
31334 3436 484 13 KABELDEUTSCHLAND-AS, DE
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5876 5745 UNI2-AS, ES
7545 5270 4662 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4549 ERX-CERNET-BKB China Education and Research Net
7155 4047 4020 VIASAT-SP-BACKBONE, US
39891 3776 3756 ALJAWWALSTC-AS, SA
31334 3436 3423 KABELDEUTSCHLAND-AS, DE
22773 3523 3372 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3320 3296 VIETEL-AS-AP Viettel Group, VN
11492 3928 3281 CABLEONE, US
6327 3367 3273 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
17076 UNALLOCATED 8.12.244.0/24 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461, US
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.224.0/24 Origin: 15206 UNASSIGNED
Transit: 174 COGENT-174, US
23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /8:10 /9:11 /10:38 /11:98 /12:286
/13:579 /14:1157 /15:1916 /16:13397 /17:8170 /18:13861
/19:25777 /20:40506 /21:47565 /22:98322 /23:80905 /24:460141
/25:1334 /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 4847 5876 UNI2-AS, ES
31334 3281 3436 KABELDEUTSCHLAND-AS, DE
6327 3154 3367 SHAW, CA
7155 3139 4047 VIASAT-SP-BACKBONE, US
11492 3064 3928 CABLEONE, US
39891 2946 3776 ALJAWWALSTC-AS, SA
22773 2740 3523 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2546 3086 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2046 2297 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 2030 2682 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1499 2:1144 3:30 4:19 5:3257 6:48
8:1377 9:1 12:1786 13:481 14:2230 15:75
16:9 17:285 18:79 20:58 23:3291 24:2642
25:4 27:2492 31:2867 32:101 35:40 36:930
37:3230 38:1838 39:315 40:132 41:3253 42:872
43:2128 44:191 45:13153 46:3649 47:275 49:1400
50:1568 51:87 52:1112 54:272 55:680 56:6
57:48 58:1886 59:1119 60:683 61:2210 62:2158
63:1946 64:5065 65:2318 66:4845 67:2849 68:1233
69:3819 70:1433 71:671 72:2772 74:2626 75:1439
76:674 77:2547 78:1976 79:2356 80:1855 81:1578
82:1176 83:1123 84:1234 85:2492 86:554 87:1713
88:1080 89:2713 90:310 91:7546 92:1474 93:2435
94:2596 95:3713 96:1014 97:337 98:964 99:966
100:86 101:1092 102:803 103:23095 104:3600 105:402
106:824 107:1903 108:708 109:3615 110:1772 111:1938
112:1561 113:1389 114:1490 115:1842 116:1794 117:2039
118:2125 119:1716 120:840 121:1034 122:2353 123:1888
124:1551 125:2023 128:1387 129:913 130:610 131:1814
132:784 133:300 134:1223 135:275 136:599 137:884
138:2165 139:985 140:594 141:880 142:870 143:1163
144:945 145:292 146:1477 147:1003 148:2061 149:1108
150:809 151:1277 152:1478 153:371 154:4695 155:900
156:3278 157:1075 158:727 159:1939 160:1729 161:1012
162:3017 163:772 164:1409 165:1231 166:542 167:1472
168:3516 169:495 170:4244 171:743 172:1863 173:2364
174:1033 175:1011 176:2607 177:4148 178:2902 179:1490
180:2183 181:2366 182:2838 183:1120 184:2393 185:16040
186:3789 187:2552 188:3642 189:2086 190:8206 191:1502
192:10245 193:7315 194:5995 195:4288 196:3279 197:1869
198:6117 199:5930 200:7136 201:5121 202:10420 203:10238
204:4550 205:3067 206:3253 207:3270 208:4004 209:4371
210:4005 211:1989 212:3240 213:3017 214:1164 215:53
216:5925 217:2341 218:893 219:605 220:1980 221:919
222:1002 223:1407
End of report
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