[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 29 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 30 May, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 812240
Prefixes after maximum aggregation (per Origin AS): 308990
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 395869
Total ASes present in the Internet Routing Table: 68196
Prefixes per ASN: 11.91
Origin-only ASes present in the Internet Routing Table: 58588
Origin ASes announcing only one prefix: 24435
Transit ASes present in the Internet Routing Table: 9608
Transit-only ASes present in the Internet Routing Table: 318
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1123
Number of instances of unregistered ASNs: 1125
Number of 32-bit ASNs allocated by the RIRs: 31801
Number of 32-bit ASNs visible in the Routing Table: 26265
Prefixes from 32-bit ASNs in the Routing Table: 121170
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 2841823488
Equivalent to 169 /8s, 98 /16s and 201 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: inf
Percentage of available address space allocated: 0.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 604309
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 213773
Total APNIC prefixes after maximum aggregation: 62542
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 0
Unique aggregates announced from the APNIC address blocks: 0
APNIC Region origin ASes present in the Internet Routing Table: 10585
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 2956
APNIC Region transit ASes present in the Internet Routing Table: 1569
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5663
Number of APNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 237172
Total ARIN prefixes after maximum aggregation: 109382
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 0
Unique aggregates announced from the ARIN address blocks: 0
ARIN Region origin ASes present in the Internet Routing Table: 18520
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 6784
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: 3258
Number of ARIN addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 230850
Total RIPE prefixes after maximum aggregation: 106822
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 0
Unique aggregates announced from the RIPE address blocks: 0
RIPE Region origin ASes present in the Internet Routing Table: 27115
RIPE Prefixes per ASN: 0.00
RIPE Region origin ASes announcing only one prefix: 11735
RIPE Region transit ASes present in the Internet Routing Table: 3839
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9189
Number of RIPE addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 106533
Total LACNIC prefixes after maximum aggregation: 24819
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 0
Unique aggregates announced from the LACNIC address blocks: 0
LACNIC Region origin ASes present in the Internet Routing Table: 9888
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 2468
LACNIC Region transit ASes present in the Internet Routing Table: 1850
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7465
Number of LACNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + ERX transfers
LACNIC Address Blocks
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 22788
Total AfriNIC prefixes after maximum aggregation: 4699
AfriNIC Deaggregation factor: 4.85
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 1398
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 492
AfriNIC Region transit ASes present in the Internet Routing Table: 274
Average AfriNIC Region AS path length visible: 5.0
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: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7545 5477 703 638 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3430 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3153 1806 102 VNPT-AS-VN VNPT Corp, VN
7713 2712 831 510 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2645 9043 61 CMNET-GD Guangdong Mobile Communication
9498 2271 434 224 BBIL-AP BHARTI Airtel Ltd., IN
4766 2269 11102 555 KIXS-AS-KR Korea Telecom, KR
4755 2136 441 194 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 4380 295 696 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3951 8129 1807 AMAZON-02, US
22773 3554 2969 153 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3375 1324 91 SHAW, CA
16625 3103 1625 2211 AKAMAI-AS, US
209 2429 5075 532 CENTURYLINK-US-LEGACY-QWEST, US
30036 2390 364 281 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 5752 1657 141 UNI2-AS, ES
31334 4903 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3161 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3020 448 2050 AKAMAI-ASN1, EU
12389 2515 2251 732 ROSTELECOM-AS, RU
9009 2190 233 1210 M247, GB
34984 2130 353 563 TELLCOM-AS, TR
13188 1607 100 35 TRIOLAN, UA
61317 1215 142 528 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 6609 3323 603 Uninet S.A. de C.V., MX
10620 3358 530 506 Telmex Colombia S.A., CO
11830 2666 369 63 Instituto Costarricense de Electricidad
6503 1686 327 388 Axtel, S.A.B. de C.V., MX
7303 1519 988 255 Telecom Argentina S.A., AR
13999 1413 512 336 Mega Cable, S.A. de C.V., MX
28573 1368 2243 206 CLARO S.A., BR
6147 1151 379 39 Telefonica del Peru S.A.A., PE
3816 1104 571 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 954 111 67 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 1467 393 22 LINKdotNET-AS, EG
24835 1112 574 28 RAYA-AS, EG
36992 1091 1539 76 ETISALAT-MISR, EG
36903 900 472 91 MT-MPLS, MA
29571 605 68 11 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
37342 479 32 1 MOVITEL, MZ
36935 397 521 44 Vodafone-, EG
23889 365 231 15 MauritiusTelecom, MU
15399 351 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 6609 3323 603 Uninet S.A. de C.V., MX
12479 5752 1657 141 UNI2-AS, ES
7545 5477 703 638 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4903 484 13 KABELDEUTSCHLAND-AS, DE
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4380 295 696 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3951 8129 1807 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3554 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 5752 5611 UNI2-AS, ES
31334 4903 4890 KABELDEUTSCHLAND-AS, DE
7545 5477 4839 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4666 ERX-CERNET-BKB China Education and Research Net
7155 4036 4009 VIASAT-SP-BACKBONE, US
11492 4380 3684 CABLEONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
7552 3430 3408 VIETEL-AS-AP Viettel Group, VN
22773 3554 3401 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3375 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
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 /12:286
/13:578 /14:1169 /15:1917 /16:13363 /17:8233 /18:13929
/19:25792 /20:41152 /21:48330 /22:100573 /23:83294 /24:472190
/25:1277 /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 5591 5752 UNI2-AS, ES
8151 5232 6609 Uninet S.A. de C.V., MX
31334 4892 4903 KABELDEUTSCHLAND-AS, DE
11492 4100 4380 CABLEONE, US
7155 3903 4036 VIASAT-SP-BACKBONE, US
16509 3820 3951 AMAZON-02, US
39891 3651 3651 ALJAWWALSTC-AS, SA
7545 3465 5477 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3445 3554 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3319 3430 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1777 2:1182 3:30 4:19 5:3351 6:52
8:1428 9:1 11:1 12:1778 13:507 14:2307
15:72 16:8 17:291 18:81 20:100 23:3638
24:2273 25:2 27:2511 31:3097 32:113 34:3
35:42 36:934 37:3250 38:2027 39:413 40:127
41:3592 42:902 43:2121 44:208 45:14332 46:3685
47:293 49:1460 50:1430 51:93 52:1057 54:235
55:671 56:6 57:52 58:1829 59:1170 60:736
61:2279 62:2076 63:1986 64:5132 65:2295 66:4965
67:2883 68:1188 69:3927 70:1413 71:680 72:2861
74:2605 75:1447 76:673 77:2897 78:1653 79:2344
80:1948 81:1627 82:1319 83:1311 84:1235 85:2529
86:540 87:1739 88:1050 89:2763 90:378 91:7951
92:1519 93:2505 94:2719 95:3895 96:1224 97:331
98:932 99:977 100:87 101:992 102:973 103:23751
104:3436 105:397 106:879 107:1985 108:712 109:3675
110:1822 111:2032 112:1609 113:1358 114:1509 115:1829
116:1793 117:2146 118:2137 119:1719 120:820 121:1041
122:2432 123:1988 124:1548 125:2038 128:1362 129:1183
130:640 131:1853 132:750 133:302 134:1312 135:289
136:616 137:851 138:2180 139:989 140:674 141:992
142:925 143:1220 144:1007 145:306 146:1502 147:1028
148:2118 149:1189 150:870 151:1316 152:1494 153:388
154:4692 155:1053 156:3110 157:1103 158:841 159:1971
160:1886 161:1042 162:3079 163:815 164:1460 165:1284
166:555 167:1626 168:3538 169:539 170:4206 171:778
172:1933 173:2550 174:985 175:1034 176:2688 177:4229
178:3056 179:1438 180:2265 181:2565 182:3086 183:1141
184:2420 185:16415 186:3753 187:2739 188:4120 189:2317
190:8710 191:1409 192:10357 193:7523 194:6191 195:4401
196:3215 197:1947 198:6089 199:5927 200:7236 201:5211
202:10527 203:10254 204:4578 205:3096 206:3214 207:3289
208:4080 209:4423 210:3994 211:1989 212:3378 213:3105
214:1190 215:62 216:6020 217:2424 218:847 219:614
220:2034 221:922 222:993 223:1482
End of report
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