[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 15 18:02:37 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 16 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: 903985
Prefixes after maximum aggregation (per Origin AS): 340529
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 436712
Total ASes present in the Internet Routing Table: 73410
Prefixes per ASN: 12.31
Origin-only ASes present in the Internet Routing Table: 62998
Origin ASes announcing only one prefix: 25897
Transit ASes present in the Internet Routing Table: 10412
Transit-only ASes present in the Internet Routing Table: 394
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 997
Number of instances of unregistered ASNs: 1003
Number of 32-bit ASNs allocated by the RIRs: 39806
Number of 32-bit ASNs visible in the Routing Table: 33002
Prefixes from 32-bit ASNs in the Routing Table: 157135
Number of bogon 32-bit ASNs visible in the Routing Table: 34
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 508
Number of addresses announced to Internet: 3068125568
Equivalent to 182 /8s, 223 /16s and 225 /24s
Percentage of available address space announced: 82.9
Percentage of allocated address space announced: 82.9
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: 307132
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 235779
Total APNIC prefixes after maximum aggregation: 67031
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 230860
Unique aggregates announced from the APNIC address blocks: 95675
APNIC Region origin ASes present in the Internet Routing Table: 12788
APNIC Prefixes per ASN: 18.05
APNIC Region origin ASes announcing only one prefix: 3699
APNIC Region transit ASes present in the Internet Routing Table: 1752
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: 8008
Number of APNIC addresses announced to Internet: 773002240
Equivalent to 46 /8s, 19 /16s and 20 /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: 263982
Total ARIN prefixes after maximum aggregation: 120677
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 264214
Unique aggregates announced from the ARIN address blocks: 127163
ARIN Region origin ASes present in the Internet Routing Table: 19038
ARIN Prefixes per ASN: 13.88
ARIN Region origin ASes announcing only one prefix: 6909
ARIN Region transit ASes present in the Internet Routing Table: 1940
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: 4561
Number of ARIN addresses announced to Internet: 1295999744
Equivalent to 77 /8s, 63 /16s and 99 /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: 259414
Total RIPE prefixes after maximum aggregation: 118881
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 256855
Unique aggregates announced from the RIPE address blocks: 152879
RIPE Region origin ASes present in the Internet Routing Table: 28175
RIPE Prefixes per ASN: 9.12
RIPE Region origin ASes announcing only one prefix: 12070
RIPE Region transit ASes present in the Internet Routing Table: 3990
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: 10754
Number of RIPE addresses announced to Internet: 714611072
Equivalent to 42 /8s, 152 /16s and 25 /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: 115804
Total LACNIC prefixes after maximum aggregation: 27680
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 115574
Unique aggregates announced from the LACNIC address blocks: 48743
LACNIC Region origin ASes present in the Internet Routing Table: 10963
LACNIC Prefixes per ASN: 10.54
LACNIC Region origin ASes announcing only one prefix: 2642
LACNIC Region transit ASes present in the Internet Routing Table: 2242
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8695
Number of LACNIC addresses announced to Internet: 176568064
Equivalent to 10 /8s, 134 /16s and 55 /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: 28009
Total AfriNIC prefixes after maximum aggregation: 5512
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 35974
Unique aggregates announced from the AfriNIC address blocks: 11826
AfriNIC Region origin ASes present in the Internet Routing Table: 1657
AfriNIC Prefixes per ASN: 21.71
AfriNIC Region origin ASes announcing only one prefix: 577
AfriNIC Region transit ASes present in the Internet Routing Table: 323
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 984
Number of AfriNIC addresses announced to Internet: 107651072
Equivalent to 6 /8s, 106 /16s and 160 /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 9016 8883 49 CHINAMOBILE-CN China Mobile Communicati
7545 5921 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4703 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3510 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3426 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2491 11124 596 KIXS-AS-KR Korea Telecom, KR
9498 2428 499 239 BBIL-AP BHARTI Airtel Ltd., IN
45090 2174 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2126 425 216 TATACOMM-AS TATA Communications formerl
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 6774 10392 2666 AMAZON-02, US
11492 4510 299 668 CABLEONE, US
7155 3903 265 32 VIASAT-SP-BACKBONE, US
22773 3846 3069 350 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3474 1789 2512 AKAMAI-AS, US
6327 3437 1319 63 SHAW, CA
749 2996 50735 2254 DNIC-AS-00749, US
30036 2628 374 157 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2512 3359 359 GOOGLE-CLOUD-PLATFORM, US
209 2381 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 6883 1730 144 UNI2-AS, ES
9121 6694 1692 17 TTNET, TR
8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 4008 3361 206 AKAMAI-ASN1, NL
39891 4005 234 45 ALJAWWALSTC-AS, SA
12389 2936 2288 910 ROSTELECOM-AS, RU
6849 2754 355 21 UKRTELNET, UA
9009 2574 254 1336 M247, GB
34984 2250 358 638 TELLCOM-AS, TR
47331 2063 325 1580 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 10771 3395 557 Uninet S.A. de C.V., MX
10620 3476 514 778 Telmex Colombia S.A., CO
11830 2424 369 64 Instituto Costarricense de Electricidad
13999 1929 318 506 Mega Cable, S.A. de C.V., MX
28573 1364 2331 269 Claro NXT Telecomunicacoes Ltda, BR
6503 1290 338 520 Axtel, S.A.B. de C.V., MX
3816 1265 689 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1078 369 21 Telefonica del Peru S.A.A., PE
11664 997 179 460 Techtel LMDS Comunicaciones Interactiva
26615 978 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 1610 393 21 LINKdotNET-AS, EG
24835 1546 521 31 RAYA-AS, EG
36992 1317 1519 271 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 970 66 47 ORANGE-COTE-IVOIRE, CI
36935 789 520 42 Vodafone-, EG
6713 610 1863 34 IAM-AS, MA
15399 516 52 37 WANANCHI-, KE
37342 462 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 10771 3395 557 Uninet S.A. de C.V., MX
9808 9016 8883 49 CHINAMOBILE-CN China Mobile Communicati
12479 6883 1730 144 UNI2-AS, ES
16509 6774 10392 2666 AMAZON-02, US
9121 6694 1692 17 TTNET, TR
7545 5921 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4703 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4510 299 668 CABLEONE, US
8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 4008 3361 206 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9016 8967 CHINAMOBILE-CN China Mobile Communications Grou
12479 6883 6739 UNI2-AS, ES
9121 6694 6677 TTNET, TR
7545 5921 5227 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4703 4628 ERX-CERNET-BKB China Education and Research Net
16509 6774 4108 AMAZON-02, US
8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 4005 3960 ALJAWWALSTC-AS, SA
7155 3903 3871 VIASAT-SP-BACKBONE, US
11492 4510 3842 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
23.141.0.0/24 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
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 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 /12:302
/13:591 /14:1208 /15:2062 /16:13539 /17:8322 /18:13912
/19:25097 /20:44395 /21:52203 /22:108928 /23:96832 /24:535619
/25:806 /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 5864 6883 UNI2-AS, ES
9121 5849 6694 TTNET, TR
8151 4506 10771 Uninet S.A. de C.V., MX
8551 3471 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3416 4510 CABLEONE, US
6327 3247 3437 SHAW, CA
39891 3189 4005 ALJAWWALSTC-AS, SA
7155 2992 3903 VIASAT-SP-BACKBONE, US
22773 2862 3846 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)
----------------------------------------------
1:1935 2:1034 3:157 4:5 5:3834 6:110
7:6 8:1564 9:1 11:173 12:1645 13:345
14:2347 15:233 16:44 17:388 18:179 20:242
21:4 22:188 23:5800 24:2390 25:6 27:2611
29:19 31:2434 32:95 34:7 35:87 36:1814
37:4442 38:3274 39:714 40:152 41:3905 42:1121
43:2217 44:291 45:16020 46:4110 47:327 49:1706
50:1950 51:237 52:1453 54:386 55:841 56:8
57:59 58:1790 59:1162 60:961 61:2274 62:2527
63:1933 64:5610 65:2340 66:4894 67:2967 68:1181
69:4183 70:1317 71:682 72:3031 74:2638 75:1395
76:581 77:2226 78:3930 79:3129 80:1993 81:1770
82:1496 83:1213 84:1333 85:3712 86:727 87:1900
88:2792 89:3358 90:541 91:7605 92:2029 93:2551
94:3498 95:4765 96:1328 97:352 98:1014 99:752
100:76 101:1038 102:2145 103:29453 104:4534 105:468
106:876 107:2547 108:865 109:4318 110:1990 111:3321
112:2037 113:1533 114:1481 115:2000 116:1918 117:2428
118:2307 119:1825 120:1700 121:1079 122:2554 123:2089
124:1598 125:2112 128:1235 129:1058 130:984 131:2038
132:785 133:377 134:1943 135:304 136:892 137:861
138:2472 139:1521 140:933 141:1447 142:1307 143:1434
144:1213 145:354 146:1819 147:1532 148:2210 149:1740
150:901 151:1066 152:1853 153:465 154:3668 155:1442
156:1679 157:1266 158:1038 159:2231 160:2499 161:1258
162:3476 163:1294 164:1644 165:1625 166:778 167:1715
168:3828 169:881 170:4558 171:837 172:3290 173:3147
174:1022 175:1142 176:3598 177:4718 178:3544 179:2163
180:2328 181:3235 182:3260 183:1943 184:2346 185:19630
186:4364 187:3821 188:3983 189:3400 190:8943 191:1438
192:10969 193:8660 194:7056 195:5004 196:2949 197:2419
198:5990 199:6037 200:7557 201:5848 202:10509 203:10049
204:4527 205:3432 206:3758 207:3391 208:4018 209:4692
210:4377 211:2419 212:4063 213:3441 214:1145 215:67
216:6493 217:2637 218:1288 219:573 220:2005 221:965
222:829 223:1994
End of report
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