[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 5 18:03:31 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 06 Jun, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 813692
Prefixes after maximum aggregation (per Origin AS): 308952
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 396724
Total ASes present in the Internet Routing Table: 68243
Prefixes per ASN: 11.92
Origin-only ASes present in the Internet Routing Table: 58615
Origin ASes announcing only one prefix: 24432
Transit ASes present in the Internet Routing Table: 9628
Transit-only ASes present in the Internet Routing Table: 316
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 46
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 836
Number of instances of unregistered ASNs: 838
Number of 32-bit ASNs allocated by the RIRs: 31936
Number of 32-bit ASNs visible in the Routing Table: 26324
Prefixes from 32-bit ASNs in the Routing Table: 121260
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: 549
Number of addresses announced to Internet: 2842667264
Equivalent to 169 /8s, 111 /16s and 169 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
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: 274022
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 214366
Total APNIC prefixes after maximum aggregation: 62356
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 207911
Unique aggregates announced from the APNIC address blocks: 85914
APNIC Region origin ASes present in the Internet Routing Table: 10591
APNIC Prefixes per ASN: 19.63
APNIC Region origin ASes announcing only one prefix: 2953
APNIC Region transit ASes present in the Internet Routing Table: 1562
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5670
Number of APNIC addresses announced to Internet: 767894400
Equivalent to 45 /8s, 197 /16s and 35 /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: 237767
Total ARIN prefixes after maximum aggregation: 109331
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 235106
Unique aggregates announced from the ARIN address blocks: 119598
ARIN Region origin ASes present in the Internet Routing Table: 18520
ARIN Prefixes per ASN: 12.69
ARIN Region origin ASes announcing only one prefix: 6774
ARIN Region transit ASes present in the Internet Routing Table: 1915
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3267
Number of ARIN addresses announced to Internet: 1080751616
Equivalent to 64 /8s, 106 /16s and 246 /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: 231189
Total RIPE prefixes after maximum aggregation: 107028
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 227801
Unique aggregates announced from the RIPE address blocks: 134036
RIPE Region origin ASes present in the Internet Routing Table: 27130
RIPE Prefixes per ASN: 8.40
RIPE Region origin ASes announcing only one prefix: 11744
RIPE Region transit ASes present in the Internet Routing Table: 3848
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: 9204
Number of RIPE addresses announced to Internet: 709254528
Equivalent to 42 /8s, 70 /16s and 93 /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
196608-213403
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: 106629
Total LACNIC prefixes after maximum aggregation: 24862
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 107737
Unique aggregates announced from the LACNIC address blocks: 46584
LACNIC Region origin ASes present in the Internet Routing Table: 9916
LACNIC Prefixes per ASN: 10.86
LACNIC Region origin ASes announcing only one prefix: 2474
LACNIC Region transit ASes present in the Internet Routing Table: 1871
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 46
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7493
Number of LACNIC addresses announced to Internet: 174663936
Equivalent to 10 /8s, 105 /16s and 41 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 22904
Total AfriNIC prefixes after maximum aggregation: 4705
AfriNIC Deaggregation factor: 4.87
Prefixes being announced from the AfriNIC address blocks: 34588
Unique aggregates announced from the AfriNIC address blocks: 10136
AfriNIC Region origin ASes present in the Internet Routing Table: 1400
AfriNIC Prefixes per ASN: 24.71
AfriNIC Region origin ASes announcing only one prefix: 487
AfriNIC Region transit ASes present in the Internet Routing Table: 278
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 690
Number of AfriNIC addresses announced to Internet: 109584896
Equivalent to 6 /8s, 136 /16s and 34 /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 5522 703 643 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4734 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3412 1330 20 VIETEL-AS-AP Viettel Group, VN
9808 3221 9043 61 CMNET-GD Guangdong Mobile Communication
45899 3152 1806 101 VNPT-AS-VN VNPT Corp, VN
7713 2713 831 511 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 2271 434 224 BBIL-AP BHARTI Airtel Ltd., IN
4766 2265 11101 554 KIXS-AS-KR Korea Telecom, KR
4755 2132 441 193 TATACOMM-AS TATA Communications formerl
9394 2039 4914 20 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 4438 298 624 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3936 8124 1783 AMAZON-02, US
22773 3562 2969 153 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3374 1324 90 SHAW, CA
16625 3110 1628 2216 AKAMAI-AS, US
209 2431 5076 534 CENTURYLINK-US-LEGACY-QWEST, US
30036 2395 364 258 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2304 2981 1621 FRONTIER-FRTR, US
26484 2184 137 201 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 5791 1658 138 UNI2-AS, ES
31334 4906 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3178 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3031 449 2056 AKAMAI-ASN1, EU
12389 2516 2251 733 ROSTELECOM-AS, RU
9009 2222 234 1212 M247, GB
34984 2129 353 562 TELLCOM-AS, TR
13188 1604 100 35 TRIOLAN, UA
61317 1235 140 551 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 6658 3325 602 Uninet S.A. de C.V., MX
10620 3354 529 506 Telmex Colombia S.A., CO
11830 2666 369 63 Instituto Costarricense de Electricidad
6503 1687 327 388 Axtel, S.A.B. de C.V., MX
7303 1517 988 251 Telecom Argentina S.A., AR
13999 1417 513 331 Mega Cable, S.A. de C.V., MX
28573 1369 2243 206 CLARO S.A., BR
6147 1149 379 39 Telefonica del Peru S.A.A., PE
3816 1107 570 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 955 111 68 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 1485 393 22 LINKdotNET-AS, EG
24835 1119 522 26 RAYA-AS, EG
36992 1085 1539 76 ETISALAT-MISR, EG
36903 900 472 91 MT-MPLS, MA
29571 606 68 11 ORANGE-COTE-IVOIRE, CI
6713 551 1863 34 IAM-AS, MA
37342 479 32 1 MOVITEL, MZ
36935 409 522 44 Vodafone-, EG
23889 365 231 15 MauritiusTelecom, MU
15399 364 45 12 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 6658 3325 602 Uninet S.A. de C.V., MX
12479 5791 1658 138 UNI2-AS, ES
7545 5522 703 643 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4906 484 13 KABELDEUTSCHLAND-AS, DE
4538 4734 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4438 298 624 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3936 8124 1783 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3562 2969 153 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 5791 5653 UNI2-AS, ES
31334 4906 4893 KABELDEUTSCHLAND-AS, DE
7545 5522 4879 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4734 4661 ERX-CERNET-BKB China Education and Research Net
7155 4036 4009 VIASAT-SP-BACKBONE, US
11492 4438 3814 CABLEONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
22773 3562 3409 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3412 3392 VIETEL-AS-AP Viettel Group, VN
6327 3374 3284 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
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
26584 UNALLOCATED 8.42.62.0/23 209 CENTURYLINK-US-LEGACY-QWEST,
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, 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
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
27.126.158.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
41.67.192.0/18 Origin: 15964 CAMNET-AS, CM
Transit: 37662 WIOCC-AS, MU
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 /8:9 /9:11 /10:38 /11:99 /12:287
/13:580 /14:1170 /15:1916 /16:13360 /17:8233 /18:13940
/19:25887 /20:41273 /21:48462 /22:100713 /23:83520 /24:472909
/25:1285 /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 4794 5791 UNI2-AS, ES
31334 4751 4906 KABELDEUTSCHLAND-AS, DE
11492 3519 4438 CABLEONE, US
6327 3164 3374 SHAW, CA
7155 3128 4036 VIASAT-SP-BACKBONE, US
39891 2801 3651 ALJAWWALSTC-AS, SA
22773 2773 3562 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2636 3178 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2349 6658 Uninet S.A. de C.V., MX
30036 2138 2395 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1772 2:1182 3:30 4:19 5:3382 6:52
8:1421 9:1 11:1 12:1785 13:507 14:2311
15:72 16:8 17:294 18:81 20:106 23:3651
24:2285 25:2 27:2525 31:3086 32:127 34:3
35:41 36:938 37:3265 38:2029 39:418 40:128
41:3616 42:899 43:2135 44:208 45:14371 46:3681
47:293 49:1457 50:1451 51:93 52:1052 54:240
55:672 56:6 57:52 58:1841 59:1168 60:741
61:2290 62:2082 63:1984 64:5127 65:2299 66:4969
67:2870 68:1185 69:3938 70:1408 71:679 72:2873
74:2601 75:1447 76:668 77:2898 78:1653 79:2364
80:1935 81:1625 82:1318 83:1311 84:1235 85:2612
86:539 87:1734 88:1089 89:2752 90:381 91:7959
92:1522 93:2506 94:2714 95:3897 96:1242 97:331
98:932 99:977 100:87 101:1003 102:941 103:23789
104:3436 105:395 106:879 107:1997 108:713 109:3671
110:1829 111:2044 112:1600 113:1358 114:1522 115:1828
116:1792 117:2196 118:2131 119:1711 120:856 121:1043
122:2427 123:1994 124:1553 125:2023 128:1364 129:1185
130:644 131:1839 132:750 133:302 134:1313 135:287
136:614 137:851 138:2187 139:993 140:673 141:987
142:925 143:1216 144:1013 145:305 146:1494 147:1029
148:2122 149:1190 150:872 151:1331 152:1493 153:390
154:4658 155:1053 156:3122 157:1126 158:845 159:1969
160:1893 161:1049 162:3087 163:830 164:1458 165:1290
166:555 167:1634 168:3544 169:546 170:4210 171:771
172:1936 173:2547 174:992 175:1042 176:2699 177:4238
178:3054 179:1462 180:2271 181:2465 182:3083 183:1166
184:2430 185:16436 186:3730 187:2787 188:4096 189:2339
190:8765 191:1317 192:10378 193:7536 194:6184 195:4409
196:3216 197:1964 198:6084 199:5916 200:7232 201:5261
202:10492 203:10249 204:4579 205:3105 206:3207 207:3277
208:4067 209:4434 210:3992 211:2023 212:3371 213:3137
214:1189 215:62 216:6052 217:2425 218:874 219:613
220:2040 221:935 222:993 223:1487
End of report
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