[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 29 18:02:56 UTC 2022
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 30 Jul, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 905247
Prefixes after maximum aggregation (per Origin AS): 341068
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 437189
Total ASes present in the Internet Routing Table: 73490
Prefixes per ASN: 12.32
Origin-only ASes present in the Internet Routing Table: 63082
Origin ASes announcing only one prefix: 25963
Transit ASes present in the Internet Routing Table: 10408
Transit-only ASes present in the Internet Routing Table: 397
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 977
Number of instances of unregistered ASNs: 979
Number of 32-bit ASNs allocated by the RIRs: 39886
Number of 32-bit ASNs visible in the Routing Table: 33107
Prefixes from 32-bit ASNs in the Routing Table: 157560
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 501
Number of addresses announced to Internet: 3071424384
Equivalent to 183 /8s, 18 /16s and 55 /24s
Percentage of available address space announced: 83.0
Percentage of allocated address space announced: 83.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 307540
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 236196
Total APNIC prefixes after maximum aggregation: 67185
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 231229
Unique aggregates announced from the APNIC address blocks: 96140
APNIC Region origin ASes present in the Internet Routing Table: 12839
APNIC Prefixes per ASN: 18.01
APNIC Region origin ASes announcing only one prefix: 3731
APNIC Region transit ASes present in the Internet Routing Table: 1749
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8061
Number of APNIC addresses announced to Internet: 773167360
Equivalent to 46 /8s, 21 /16s and 153 /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, 131072-151865
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: 264075
Total ARIN prefixes after maximum aggregation: 120837
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 264335
Unique aggregates announced from the ARIN address blocks: 127278
ARIN Region origin ASes present in the Internet Routing Table: 19050
ARIN Prefixes per ASN: 13.88
ARIN Region origin ASes announcing only one prefix: 6923
ARIN Region transit ASes present in the Internet Routing Table: 1920
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4575
Number of ARIN addresses announced to Internet: 1295815424
Equivalent to 77 /8s, 60 /16s and 147 /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: 259685
Total RIPE prefixes after maximum aggregation: 119007
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257091
Unique aggregates announced from the RIPE address blocks: 152718
RIPE Region origin ASes present in the Internet Routing Table: 28166
RIPE Prefixes per ASN: 9.13
RIPE Region origin ASes announcing only one prefix: 12067
RIPE Region transit ASes present in the Internet Routing Table: 3992
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10768
Number of RIPE addresses announced to Internet: 717923968
Equivalent to 42 /8s, 202 /16s and 166 /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: 116194
Total LACNIC prefixes after maximum aggregation: 27753
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 115918
Unique aggregates announced from the LACNIC address blocks: 48818
LACNIC Region origin ASes present in the Internet Routing Table: 10980
LACNIC Prefixes per ASN: 10.56
LACNIC Region origin ASes announcing only one prefix: 2659
LACNIC Region transit ASes present in the Internet Routing Table: 2245
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8709
Number of LACNIC addresses announced to Internet: 176449792
Equivalent to 10 /8s, 132 /16s and 105 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 28120
Total AfriNIC prefixes after maximum aggregation: 5541
AfriNIC Deaggregation factor: 5.07
Prefixes being announced from the AfriNIC address blocks: 36173
Unique aggregates announced from the AfriNIC address blocks: 11815
AfriNIC Region origin ASes present in the Internet Routing Table: 1664
AfriNIC Prefixes per ASN: 21.74
AfriNIC Region origin ASes announcing only one prefix: 583
AfriNIC Region transit ASes present in the Internet Routing Table: 324
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 34
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 994
Number of AfriNIC addresses announced to Internet: 107783936
Equivalent to 6 /8s, 108 /16s and 167 /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
9808 9040 8883 49 CHINAMOBILE-CN China Mobile Communicati
7545 5928 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3510 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3385 1879 49 VNPT-AS-VN VNPT Corp, VN
4766 2499 11125 602 KIXS-AS-KR Korea Telecom, KR
9498 2428 499 238 BBIL-AP BHARTI Airtel Ltd., IN
45090 2174 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
24560 2149 850 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6750 10386 2687 AMAZON-02, US
11492 4515 299 658 CABLEONE, US
7155 3906 265 32 VIASAT-SP-BACKBONE, US
22773 3825 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3458 1780 2501 AKAMAI-AS, US
6327 3448 1319 64 SHAW, CA
749 3024 50732 2282 DNIC-AS-00749, US
30036 2601 371 286 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2523 3384 362 GOOGLE-CLOUD-PLATFORM, US
209 2374 4936 411 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6880 1730 144 UNI2-AS, ES
9121 6663 1692 17 TTNET, TR
20940 4040 3348 218 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2942 2290 913 ROSTELECOM-AS, RU
6849 2754 355 21 UKRTELNET, UA
9009 2580 254 1333 M247, GB
34984 2245 357 634 TELLCOM-AS, TR
47331 2033 321 1555 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10792 3397 559 Uninet S.A. de C.V., MX
10620 3479 515 781 Telmex Colombia S.A., CO
11830 2411 369 64 Instituto Costarricense de Electricidad
13999 1920 314 511 Mega Cable, S.A. de C.V., MX
28573 1369 2331 269 Claro NXT Telecomunicacoes Ltda, BR
6503 1290 338 520 Axtel, S.A.B. de C.V., MX
3816 1267 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1085 370 21 Telefonica del Peru S.A.A., PE
11664 1013 179 460 Techtel LMDS Comunicaciones Interactiva
26615 979 2466 43 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1607 393 21 LINKdotNET-AS, EG
24835 1546 521 31 RAYA-AS, EG
36992 1326 1519 268 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 969 66 46 ORANGE-COTE-IVOIRE, CI
36935 801 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 518 52 38 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
23889 401 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10792 3397 559 Uninet S.A. de C.V., MX
9808 9040 8883 49 CHINAMOBILE-CN China Mobile Communicati
12479 6880 1730 144 UNI2-AS, ES
16509 6750 10386 2687 AMAZON-02, US
9121 6663 1692 17 TTNET, TR
7545 5928 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4515 299 658 CABLEONE, US
20940 4040 3348 218 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9040 8991 CHINAMOBILE-CN China Mobile Communications Grou
12479 6880 6736 UNI2-AS, ES
9121 6663 6646 TTNET, TR
7545 5928 5233 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4640 ERX-CERNET-BKB China Education and Research Net
16509 6750 4063 AMAZON-02, US
39891 4006 3960 ALJAWWALSTC-AS, SA
8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3906 3874 VIASAT-SP-BACKBONE, US
11492 4515 3857 CABLEONE, US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US
394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.139.104.0/24 Origin: 395494 HIGH-RAPID-NETWORKS, US
23.139.104.0/24 Transit: 6939 HURRICANE, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /8:16 /9:13 /10:40 /11:100 /12:303
/13:593 /14:1208 /15:2065 /16:13550 /17:8319 /18:13920
/19:25093 /20:44400 /21:52299 /22:109046 /23:96801 /24:536672
/25:809 /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 5866 6880 UNI2-AS, ES
9121 5820 6663 TTNET, TR
8151 4520 10792 Uninet S.A. de C.V., MX
8551 3457 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3419 4515 CABLEONE, US
6327 3258 3448 SHAW, CA
39891 3189 4006 ALJAWWALSTC-AS, SA
7155 2995 3906 VIASAT-SP-BACKBONE, US
22773 2845 3825 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2612 2754 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1955 2:1023 3:157 4:5 5:3824 6:111
7:6 8:1580 9:1 11:173 12:1643 13:340
14:2358 15:234 16:44 17:389 18:174 20:242
21:4 22:188 23:5832 24:2395 25:6 27:2620
29:19 31:2425 32:94 34:7 35:87 36:1816
37:4444 38:3345 39:718 40:152 41:3904 42:1131
43:2211 44:289 45:16074 46:4130 47:330 49:1716
50:1953 51:237 52:1454 54:384 55:846 56:8
57:58 58:1805 59:1162 60:964 61:2292 62:2538
63:1926 64:5600 65:2393 66:4872 67:2963 68:1194
69:4187 70:1317 71:681 72:3025 74:2640 75:1399
76:581 77:2249 78:3923 79:3128 80:2004 81:1784
82:1497 83:1207 84:1367 85:3707 86:735 87:1903
88:2797 89:3351 90:545 91:7625 92:2023 93:2562
94:3512 95:4761 96:1331 97:352 98:1027 99:752
100:77 101:1047 102:2185 103:29493 104:4530 105:468
106:879 107:2548 108:867 109:4328 110:1993 111:3326
112:2043 113:1539 114:1484 115:2002 116:1919 117:2421
118:2294 119:1827 120:1768 121:1068 122:2557 123:2093
124:1597 125:2116 128:1221 129:1061 130:980 131:2058
132:778 133:378 134:1937 135:298 136:892 137:863
138:2513 139:1490 140:935 141:1438 142:1330 143:1393
144:1209 145:347 146:1834 147:1519 148:2204 149:1757
150:866 151:1072 152:1869 153:462 154:3724 155:1451
156:1695 157:1271 158:1039 159:2220 160:2494 161:1309
162:3486 163:1322 164:1652 165:1631 166:765 167:1752
168:3840 169:880 170:4542 171:839 172:3290 173:3123
174:1027 175:1144 176:3618 177:4756 178:3544 179:2205
180:2334 181:3241 182:3240 183:1942 184:2344 185:19603
186:4410 187:3850 188:3987 189:3426 190:9019 191:1469
192:10995 193:8668 194:7077 195:5027 196:2949 197:2439
198:6007 199:6036 200:7574 201:5850 202:10504 203:10042
204:4520 205:3456 206:3758 207:3378 208:4028 209:4691
210:4374 211:2410 212:4058 213:3481 214:1139 215:65
216:6374 217:2638 218:1285 219:574 220:2008 221:963
222:829 223:2001
End of report
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