[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 26 18:02:55 UTC 2021
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 27 Feb, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 847193
Prefixes after maximum aggregation (per Origin AS): 322664
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 404082
Total ASes present in the Internet Routing Table: 70649
Prefixes per ASN: 11.99
Origin-only ASes present in the Internet Routing Table: 60774
Origin ASes announcing only one prefix: 25076
Transit ASes present in the Internet Routing Table: 9875
Transit-only ASes present in the Internet Routing Table: 299
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 62
Max AS path prepend of ASN (266299) 59
Prefixes from unregistered ASNs in the Routing Table: 978
Number of instances of unregistered ASNs: 982
Number of 32-bit ASNs allocated by the RIRs: 35208
Number of 32-bit ASNs visible in the Routing Table: 29241
Prefixes from 32-bit ASNs in the Routing Table: 136223
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: 562
Number of addresses announced to Internet: 2915817600
Equivalent to 173 /8s, 203 /16s and 216 /24s
Percentage of available address space announced: 78.8
Percentage of allocated address space announced: 78.8
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: 289157
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 221800
Total APNIC prefixes after maximum aggregation: 65449
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 217721
Unique aggregates announced from the APNIC address blocks: 88511
APNIC Region origin ASes present in the Internet Routing Table: 11310
APNIC Prefixes per ASN: 19.25
APNIC Region origin ASes announcing only one prefix: 3218
APNIC Region transit ASes present in the Internet Routing Table: 1606
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6455
Number of APNIC addresses announced to Internet: 770662656
Equivalent to 45 /8s, 239 /16s and 97 /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, 131072-143673
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: 244189
Total ARIN prefixes after maximum aggregation: 112229
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 244750
Unique aggregates announced from the ARIN address blocks: 116755
ARIN Region origin ASes present in the Internet Routing Table: 18747
ARIN Prefixes per ASN: 13.06
ARIN Region origin ASes announcing only one prefix: 6813
ARIN Region transit ASes present in the Internet Routing Table: 1923
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3737
Number of ARIN addresses announced to Internet: 1152112896
Equivalent to 68 /8s, 171 /16s and 217 /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, 393216-401308
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: 242205
Total RIPE prefixes after maximum aggregation: 112911
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 238145
Unique aggregates announced from the RIPE address blocks: 139917
RIPE Region origin ASes present in the Internet Routing Table: 27746
RIPE Prefixes per ASN: 8.58
RIPE Region origin ASes announcing only one prefix: 11903
RIPE Region transit ASes present in the Internet Routing Table: 3898
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9971
Number of RIPE addresses announced to Internet: 710165376
Equivalent to 42 /8s, 84 /16s and 67 /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: 112868
Total LACNIC prefixes after maximum aggregation: 26402
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 114012
Unique aggregates announced from the LACNIC address blocks: 48296
LACNIC Region origin ASes present in the Internet Routing Table: 10688
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2638
LACNIC Region transit ASes present in the Internet Routing Table: 2020
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 62
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8293
Number of LACNIC addresses announced to Internet: 174540032
Equivalent to 10 /8s, 103 /16s and 69 /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: 25152
Total AfriNIC prefixes after maximum aggregation: 4937
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 32003
Unique aggregates announced from the AfriNIC address blocks: 10099
AfriNIC Region origin ASes present in the Internet Routing Table: 1456
AfriNIC Prefixes per ASN: 21.98
AfriNIC Region origin ASes announcing only one prefix: 504
AfriNIC Region transit ASes present in the Internet Routing Table: 286
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 785
Number of AfriNIC addresses announced to Internet: 107908352
Equivalent to 6 /8s, 110 /16s and 141 /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 5707 782 668 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4830 4192 74 ERX-CERNET-BKB China Education and Rese
9808 3689 9045 60 CMNET-GD Guangdong Mobile Communication
7552 3554 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3232 936 533 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2897 1896 55 VNPT-AS-VN VNPT Corp, VN
4766 2444 11105 568 KIXS-AS-KR Korea Telecom, KR
9498 2307 482 229 BBIL-AP BHARTI Airtel Ltd., IN
4755 2144 441 191 TATACOMM-AS TATA Communications formerl
45090 2080 1045 63 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
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
16509 4850 9095 2177 AMAZON-02, US
11492 4759 316 718 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3909 2998 251 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3331 1317 72 SHAW, CA
16625 3305 1722 2352 AKAMAI-AS, US
209 2520 5058 501 CENTURYLINK-US-LEGACY-QWEST, US
30036 2518 371 81 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2352 3000 1642 FRONTIER-FRTR, US
5972 2195 439 776 DNIC-ASBLK-05800-06055, 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
47331 7999 1076 3346 TTNET, TR
12479 6351 1701 147 UNI2-AS, ES
20940 3445 3347 207 AKAMAI-ASN1, NL
39891 3266 187 22 ALJAWWALSTC-AS, SA
8551 3041 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2876 2282 889 ROSTELECOM-AS, RU
9009 2422 247 1310 M247, GB
34984 2178 355 583 TELLCOM-AS, TR
13188 1610 100 31 TRIOLAN, UA
58224 1526 873 562 TCI, IR
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 8371 3466 583 Uninet S.A. de C.V., MX
10620 3399 526 614 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
13999 1637 436 420 Mega Cable, S.A. de C.V., MX
7303 1447 921 269 Telecom Argentina S.A., AR
6503 1440 311 475 Axtel, S.A.B. de C.V., MX
28573 1404 2263 219 CLARO S.A., BR
3816 1198 609 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1127 377 39 Telefonica del Peru S.A.A., PE
11664 991 210 409 Techtel LMDS Comunicaciones Interactiva
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 1577 393 22 LINKdotNET-AS, EG
24835 1289 482 29 RAYA-AS, EG
36992 1188 1537 174 ETISALAT-MISR, EG
36903 970 506 115 MT-MPLS, MA
29571 704 68 11 ORANGE-COTE-IVOIRE, CI
6713 540 1864 35 IAM-AS, MA
36935 487 522 40 Vodafone-, EG
37342 487 32 1 MOVITEL, MZ
23889 454 232 16 MauritiusTelecom, MU
15399 445 46 16 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 8371 3466 583 Uninet S.A. de C.V., MX
47331 7999 1076 3346 TTNET, TR
12479 6351 1701 147 UNI2-AS, ES
7545 5707 782 668 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 4850 9095 2177 AMAZON-02, US
4538 4830 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4759 316 718 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3909 2998 251 ASN-CXA-ALL-CCI-22773-RDC, US
9808 3689 9045 60 CMNET-GD Guangdong Mobile Communication
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 6351 6204 UNI2-AS, ES
7545 5707 5039 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4830 4756 ERX-CERNET-BKB China Education and Research Net
47331 7999 4653 TTNET, TR
11492 4759 4041 CABLEONE, US
7155 4030 3998 VIASAT-SP-BACKBONE, US
22773 3909 3658 ASN-CXA-ALL-CCI-22773-RDC, US
9808 3689 3629 CMNET-GD Guangdong Mobile Communication Co.Ltd.
7552 3554 3533 VIETEL-AS-AP Viettel Group, VN
6327 3331 3259 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
18604 UNALLOCATED 8.25.204.0/24 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
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
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397881 STINGERS, US
Transit: 398481 REDMERCURY, US
23.226.240.0/20 Origin: 40430 UNASSIGNED
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 No. 14, Jala
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 /9:12 /10:41 /11:102 /12:292
/13:577 /14:1182 /15:1939 /16:13465 /17:8316 /18:13772
/19:25626 /20:41718 /21:50941 /22:105375 /23:89651 /24:492739
/25:1434 /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
47331 7151 7999 TTNET, TR
12479 5309 6351 UNI2-AS, ES
11492 3813 4759 CABLEONE, US
6327 3136 3331 SHAW, CA
7155 3118 4030 VIASAT-SP-BACKBONE, US
8151 2948 8371 Uninet S.A. de C.V., MX
22773 2944 3909 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3266 ALJAWWALSTC-AS, SA
8551 2505 3041 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2238 2518 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1881 2:1168 3:94 4:18 5:3596 6:64
7:5 8:1498 9:1 11:36 12:1755 13:359
14:2350 15:77 16:15 17:315 18:93 20:126
22:188 23:4382 24:2389 25:2 27:2381 31:2253
32:112 34:3 35:39 36:1146 37:3712 38:2050
39:485 40:148 41:3815 42:904 43:2105 44:237
45:14988 46:3695 47:319 49:1616 50:1708 51:90
52:1204 54:216 55:763 56:6 57:57 58:1703
59:1157 60:884 61:2374 62:2223 63:1969 64:5274
65:2403 66:5164 67:2926 68:1174 69:4107 70:1404
71:688 72:3244 74:2591 75:1478 76:689 77:2005
78:3691 79:2299 80:1832 81:1630 82:1309 83:1107
84:1257 85:3344 86:711 87:1793 88:2795 89:2987
90:428 91:7262 92:1730 93:2532 94:2966 95:4427
96:1228 97:345 98:986 99:971 100:89 101:1065
102:1257 103:25524 104:3673 105:419 106:719 107:2217
108:684 109:3890 110:1998 111:2558 112:1779 113:1638
114:1443 115:1870 116:1885 117:2182 118:2319 119:1916
120:988 121:1085 122:2161 123:2178 124:1586 125:2081
128:1340 129:1200 130:810 131:2015 132:751 133:354
134:1549 135:290 136:724 137:901 138:2298 139:1162
140:745 141:1168 142:1069 143:1263 144:1235 145:327
146:1390 147:1253 148:2206 149:1303 150:769 151:1082
152:1549 153:387 154:2209 155:1346 156:1488 157:1147
158:928 159:2054 160:2070 161:1137 162:3241 163:963
164:1430 165:1338 166:614 167:1778 168:3528 169:653
170:4322 171:759 172:2082 173:2963 174:979 175:1099
176:2970 177:4350 178:2889 179:1933 180:2271 181:2620
182:3195 183:1637 184:2459 185:17942 186:4195 187:3071
188:3291 189:2781 190:9038 191:1451 192:10676 193:7924
194:6525 195:4653 196:2936 197:2327 198:6039 199:6001
200:7388 201:5360 202:10540 203:10090 204:4645 205:3292
206:3472 207:3329 208:3979 209:4624 210:4253 211:2173
212:3657 213:3278 214:1214 215:61 216:6180 217:2530
218:1046 219:687 220:2060 221:946 222:979 223:1759
End of report
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