[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 13 18:03:29 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 14 Mar, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 799559
Prefixes after maximum aggregation (per Origin AS): 304239
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 391217
Total ASes present in the Internet Routing Table: 67362
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 57867
Origin ASes announcing only one prefix: 24249
Transit ASes present in the Internet Routing Table: 9495
Transit-only ASes present in the Internet Routing Table: 283
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 36
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 1197
Number of instances of unregistered ASNs: 1197
Number of 32-bit ASNs allocated by the RIRs: 30923
Number of 32-bit ASNs visible in the Routing Table: 25477
Prefixes from 32-bit ASNs in the Routing Table: 117614
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1126
Number of addresses announced to Internet: 2852326016
Equivalent to 170 /8s, 3 /16s and 10 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 268671
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 211457
Total APNIC prefixes after maximum aggregation: 61605
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 204378
Unique aggregates announced from the APNIC address blocks: 85284
APNIC Region origin ASes present in the Internet Routing Table: 10426
APNIC Prefixes per ASN: 19.60
APNIC Region origin ASes announcing only one prefix: 2878
APNIC Region transit ASes present in the Internet Routing Table: 1547
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5486
Number of APNIC addresses announced to Internet: 766440960
Equivalent to 45 /8s, 174 /16s and 246 /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: 234015
Total ARIN prefixes after maximum aggregation: 107865
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 231510
Unique aggregates announced from the ARIN address blocks: 117717
ARIN Region origin ASes present in the Internet Routing Table: 18394
ARIN Prefixes per ASN: 12.59
ARIN Region origin ASes announcing only one prefix: 6737
ARIN Region transit ASes present in the Internet Routing Table: 1914
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3184
Number of ARIN addresses announced to Internet: 1078766848
Equivalent to 64 /8s, 76 /16s and 173 /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: 226768
Total RIPE prefixes after maximum aggregation: 105105
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 223676
Unique aggregates announced from the RIPE address blocks: 131070
RIPE Region origin ASes present in the Internet Routing Table: 26932
RIPE Prefixes per ASN: 8.31
RIPE Region origin ASes announcing only one prefix: 11733
RIPE Region transit ASes present in the Internet Routing Table: 3820
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9000
Number of RIPE addresses announced to Internet: 724305024
Equivalent to 43 /8s, 44 /16s and 4 /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: 104200
Total LACNIC prefixes after maximum aggregation: 24246
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 105492
Unique aggregates announced from the LACNIC address blocks: 45844
LACNIC Region origin ASes present in the Internet Routing Table: 9575
LACNIC Prefixes per ASN: 11.02
LACNIC Region origin ASes announcing only one prefix: 2420
LACNIC Region transit ASes present in the Internet Routing Table: 1794
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7142
Number of LACNIC addresses announced to Internet: 174101760
Equivalent to 10 /8s, 96 /16s and 149 /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: 21921
Total AfriNIC prefixes after maximum aggregation: 4673
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 33377
Unique aggregates announced from the AfriNIC address blocks: 10314
AfriNIC Region origin ASes present in the Internet Routing Table: 1375
AfriNIC Prefixes per ASN: 24.27
AfriNIC Region origin ASes announcing only one prefix: 481
AfriNIC Region transit ASes present in the Internet Routing Table: 272
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 665
Number of AfriNIC addresses announced to Internet: 108112128
Equivalent to 6 /8s, 113 /16s and 169 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 5365 671 627 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3351 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3138 1798 106 VNPT-AS-VN VNPT Corp, VN
7713 2703 831 507 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2572 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2290 11102 562 KIXS-AS-KR Korea Telecom, KR
9498 2252 434 222 BBIL-AP BHARTI Airtel Ltd., IN
4755 2138 441 193 TATACOMM-AS TATA Communications formerl
9394 2063 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
11492 4042 270 659 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3901 7820 1722 AMAZON-02, US
22773 3528 2969 146 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3373 1324 92 SHAW, CA
16625 2995 1571 2146 AKAMAI-AS, US
209 2391 5076 533 CENTURYLINK-US-LEGACY-QWEST, US
30036 2311 358 164 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2292 2941 1632 FRONTIER-FRTR, US
26484 2181 136 177 IKGUL-26484, 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 5951 1599 131 UNI2-AS, ES
31334 4086 484 13 KABELDEUTSCHLAND-AS, DE
39891 3776 203 20 ALJAWWALSTC-AS, SA
8551 3295 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2917 464 2002 AKAMAI-ASN1, US
12389 2485 2250 727 ROSTELECOM-AS, RU
34984 2071 349 560 TELLCOM-AS, TR
9009 2069 217 1115 M247, GB
9121 1918 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 6315 3307 597 Uninet S.A. de C.V., MX
10620 3361 531 474 Telmex Colombia S.A., CO
11830 2669 369 63 Instituto Costarricense de Electricidad
6503 1675 327 390 Axtel, S.A.B. de C.V., MX
7303 1553 1031 265 Telecom Argentina S.A., AR
28573 1370 2243 192 CLARO S.A., BR
13999 1238 477 297 Mega Cable, S.A. de C.V., MX
6147 1114 378 52 Telefonica del Peru S.A.A., PE
3816 1088 565 142 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 955 112 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
24863 1505 393 22 LINKdotNET-AS, EG
24835 1102 570 24 RAYA-AS, EG
36992 1077 1535 75 ETISALAT-MISR, EG
36903 875 452 97 MT-MPLS, MA
6713 599 1863 34 IAM-AS, MA
29571 590 68 11 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
36935 380 522 40 Vodafone-, EG
15399 372 45 10 WANANCHI-, KE
23889 371 231 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 6315 3307 597 Uninet S.A. de C.V., MX
12479 5951 1599 131 UNI2-AS, ES
7545 5365 671 627 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4192 73 ERX-CERNET-BKB China Education and Rese
31334 4086 484 13 KABELDEUTSCHLAND-AS, DE
11492 4042 270 659 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3901 7820 1722 AMAZON-02, US
39891 3776 203 20 ALJAWWALSTC-AS, SA
22773 3528 2969 146 ASN-CXA-ALL-CCI-22773-RDC, US
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 5951 5820 UNI2-AS, ES
7545 5365 4738 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4551 ERX-CERNET-BKB China Education and Research Net
31334 4086 4073 KABELDEUTSCHLAND-AS, DE
7155 4034 4006 VIASAT-SP-BACKBONE, US
39891 3776 3756 ALJAWWALSTC-AS, SA
11492 4042 3383 CABLEONE, US
22773 3528 3382 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3351 3327 VIETEL-AS-AP Viettel Group, VN
6327 3373 3281 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
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
23061 UNALLOCATED 8.39.119.0/24 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 /12:285
/13:579 /14:1157 /15:1908 /16:13363 /17:8110 /18:13832
/19:25759 /20:40337 /21:47666 /22:98794 /23:81751 /24:464573
/25:1288 /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 4940 5951 UNI2-AS, ES
31334 3931 4086 KABELDEUTSCHLAND-AS, DE
11492 3165 4042 CABLEONE, US
6327 3162 3373 SHAW, CA
7155 3125 4034 VIASAT-SP-BACKBONE, US
39891 2946 3776 ALJAWWALSTC-AS, SA
8551 2754 3295 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2748 3528 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2120 6315 Uninet S.A. de C.V., MX
30036 2058 2311 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1565 2:1142 3:30 4:19 5:3305 6:51
8:1385 9:1 12:1784 13:497 14:2261 15:72
16:9 17:293 18:79 20:61 23:3388 24:2299
25:4 27:2512 30:1 31:3033 32:104 35:38
36:934 37:3303 38:1931 39:331 40:136 41:3405
42:703 43:2099 44:195 45:13811 46:3679 47:278
49:1433 50:1212 51:87 52:1136 54:272 55:594
56:6 57:48 58:1859 59:1140 60:704 61:2222
62:2229 63:1942 64:5065 65:2318 66:4853 67:2875
68:1218 69:3797 70:1435 71:675 72:2767 74:2592
75:1436 76:662 77:2595 78:1962 79:2405 80:1887
81:1587 82:1276 83:1127 84:1217 85:2511 86:551
87:1725 88:1090 89:2703 90:313 91:7560 92:1486
93:2453 94:2619 95:3766 96:1007 97:339 98:968
99:960 100:85 101:1093 102:842 103:23324 104:3403
105:391 106:844 107:1958 108:706 109:3779 110:1792
111:1988 112:1570 113:1392 114:1537 115:1843 116:1783
117:2061 118:2130 119:1701 120:846 121:1041 122:2414
123:1901 124:1559 125:2038 128:1347 129:916 130:624
131:1812 132:763 133:299 134:1240 135:275 136:604
137:843 138:2177 139:992 140:599 141:917 142:889
143:1202 144:970 145:325 146:1471 147:1021 148:2065
149:1151 150:821 151:1283 152:1482 153:373 154:4831
155:901 156:3404 157:1080 158:785 159:1952 160:1869
161:1017 162:3037 163:783 164:1448 165:1247 166:546
167:1621 168:3670 169:495 170:4282 171:762 172:1888
173:2387 174:1030 175:1013 176:2664 177:4239 178:2997
179:1508 180:2161 181:2460 182:3086 183:1117 184:2402
185:16209 186:3715 187:2645 188:4085 189:2155 190:8386
191:1413 192:10246 193:7366 194:6022 195:4290 196:3488
197:1904 198:6134 199:5904 200:7171 201:5169 202:10490
203:10093 204:4550 205:3095 206:3230 207:3282 208:4027
209:4375 210:4033 211:1988 212:3203 213:3022 214:1178
215:54 216:5870 217:2331 218:876 219:604 220:1994
221:915 222:1000 223:1475
End of report
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