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@lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith pfsinoz@gmail.com.
IPv4 Routing Table Report 04:00 +10GMT Sat 04 Jun, 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: 899129
Prefixes after maximum aggregation (per Origin AS): 338820
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 433267
Total ASes present in the Internet Routing Table: 73224
Prefixes per ASN: 12.28
Origin-only ASes present in the Internet Routing Table: 62841
Origin ASes announcing only one prefix: 25798
Transit ASes present in the Internet Routing Table: 10383
Transit-only ASes present in the Internet Routing Table: 379
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 54
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 892
Number of instances of unregistered ASNs: 900
Number of 32-bit ASNs allocated by the RIRs: 39542
Number of 32-bit ASNs visible in the Routing Table: 32775
Prefixes from 32-bit ASNs in the Routing Table: 154252
Number of bogon 32-bit ASNs visible in the Routing Table: 244
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 498
Number of addresses announced to Internet: 3065438848
Equivalent to 182 /8s, 182 /16s and 226 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
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: 305586
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 234867
Total APNIC prefixes after maximum aggregation: 66756
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 230260
Unique aggregates announced from the APNIC address blocks: 95039
APNIC Region origin ASes present in the Internet Routing Table: 12687
APNIC Prefixes per ASN: 18.15
APNIC Region origin ASes announcing only one prefix: 3655
APNIC Region transit ASes present in the Internet Routing Table: 1760
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7899
Number of APNIC addresses announced to Internet: 773873664
Equivalent to 46 /8s, 32 /16s and 96 /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: 262584
Total ARIN prefixes after maximum aggregation: 120304
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 262284
Unique aggregates announced from the ARIN address blocks: 126316
ARIN Region origin ASes present in the Internet Routing Table: 19040
ARIN Prefixes per ASN: 13.78
ARIN Region origin ASes announcing only one prefix: 6901
ARIN Region transit ASes present in the Internet Routing Table: 1931
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: 4513
Number of ARIN addresses announced to Internet: 1293191936
Equivalent to 77 /8s, 20 /16s and 139 /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: 258043
Total RIPE prefixes after maximum aggregation: 117956
RIPE Deaggregation factor: 2.19
Prefixes being announced from the RIPE address blocks: 255612
Unique aggregates announced from the RIPE address blocks: 151199
RIPE Region origin ASes present in the Internet Routing Table: 28119
RIPE Prefixes per ASN: 9.09
RIPE Region origin ASes announcing only one prefix: 12007
RIPE Region transit ASes present in the Internet Routing Table: 3972
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10701
Number of RIPE addresses announced to Internet: 714059136
Equivalent to 42 /8s, 143 /16s and 173 /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: 114826
Total LACNIC prefixes after maximum aggregation: 27667
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 114648
Unique aggregates announced from the LACNIC address blocks: 48653
LACNIC Region origin ASes present in the Internet Routing Table: 10972
LACNIC Prefixes per ASN: 10.45
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2226
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 54
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8685
Number of LACNIC addresses announced to Internet: 176448768
Equivalent to 10 /8s, 132 /16s and 101 /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: 27917
Total AfriNIC prefixes after maximum aggregation: 5463
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 35827
Unique aggregates announced from the AfriNIC address blocks: 11647
AfriNIC Region origin ASes present in the Internet Routing Table: 1649
AfriNIC Prefixes per ASN: 21.73
AfriNIC Region origin ASes announcing only one prefix: 575
AfriNIC Region transit ASes present in the Internet Routing Table: 324
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 34
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977
Number of AfriNIC addresses announced to Internet: 107578624
Equivalent to 6 /8s, 105 /16s and 133 /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 9210 8880 38 CHINAMOBILE-CN China Mobile Communicati
7545 5935 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4712 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3560 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3485 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2492 11121 601 KIXS-AS-KR Korea Telecom, KR
9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN
45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2124 425 214 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 6554 10362 2680 AMAZON-02, US
11492 4520 300 649 CABLEONE, US
22773 3913 3070 364 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3901 264 31 VIASAT-SP-BACKBONE, US
16625 3529 1817 2526 AKAMAI-AS, US
6327 3442 1319 65 SHAW, CA
749 2864 50792 2122 DNIC-AS-00749, US
30036 2621 373 184 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2438 4961 419 CENTURYLINK-US-LEGACY-QWEST, US
20115 2250 3050 492 CHARTER-20115, 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 6821 1730 150 UNI2-AS, ES
9121 6744 1692 17 TTNET, TR
8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3983 3360 204 AKAMAI-ASN1, NL
39891 3833 224 42 ALJAWWALSTC-AS, SA
12389 2949 2273 907 ROSTELECOM-AS, RU
6849 2874 355 21 UKRTELNET, UA
9009 2478 247 1282 M247, GB
34984 2242 357 631 TELLCOM-AS, TR
47331 2088 328 1600 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 10642 3398 558 Uninet S.A. de C.V., MX
10620 3485 519 734 Telmex Colombia S.A., CO
11830 2438 369 63 Instituto Costarricense de Electricidad
13999 1804 302 513 Mega Cable, S.A. de C.V., MX
6503 1444 355 526 Axtel, S.A.B. de C.V., MX
28573 1383 2334 255 CLARO S.A., BR
3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1077 369 21 Telefonica del Peru S.A.A., PE
11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva
11172 958 133 61 Alestra, S. de R.L. de C.V., MX
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 1656 393 21 LINKdotNET-AS, EG
24835 1446 519 32 RAYA-AS, EG
36992 1314 1519 263 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 960 65 64 ORANGE-COTE-IVOIRE, CI
36935 777 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 517 51 37 WANANCHI-, KE
37342 464 32 1 MOVITEL, MZ
23889 423 232 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 10642 3398 558 Uninet S.A. de C.V., MX
9808 9210 8880 38 CHINAMOBILE-CN China Mobile Communicati
12479 6821 1730 150 UNI2-AS, ES
9121 6744 1692 17 TTNET, TR
16509 6554 10362 2680 AMAZON-02, US
7545 5935 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4712 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4520 300 649 CABLEONE, US
8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3983 3360 204 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 9210 9172 CHINAMOBILE-CN China Mobile Communications Grou
9121 6744 6727 TTNET, TR
12479 6821 6671 UNI2-AS, ES
7545 5935 5241 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4712 4637 ERX-CERNET-BKB China Education and Research Net
8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
16509 6554 3874 AMAZON-02, US
11492 4520 3871 CABLEONE, US
7155 3901 3870 VIASAT-SP-BACKBONE, US
39891 3833 3791 ALJAWWALSTC-AS, SA
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
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
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US
17033 UNALLOCATED 8.48.225.0/24 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
23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US
23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG
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 /10:41 /11:99 /12:301
/13:590 /14:1208 /15:2054 /16:13523 /17:8287 /18:13865
/19:25117 /20:44001 /21:52188 /22:108484 /23:96319 /24:532214
/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
9121 5898 6744 TTNET, TR
12479 5796 6821 UNI2-AS, ES
8151 4370 10642 Uninet S.A. de C.V., MX
8551 3458 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3423 4520 CABLEONE, US
6327 3250 3442 SHAW, CA
39891 3145 3833 ALJAWWALSTC-AS, SA
7155 2991 3901 VIASAT-SP-BACKBONE, US
22773 2914 3913 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2730 2874 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1935 2:1023 3:156 4:6 5:3800 6:104
7:5 8:1569 9:1 11:173 12:1678 13:320
14:2382 15:205 16:42 17:385 18:164 20:213
21:4 22:188 23:5664 24:2331 25:6 27:2602
29:19 31:2444 32:95 34:4 35:84 36:1772
37:4454 38:2947 39:708 40:152 41:3972 42:1118
43:2199 44:290 45:15886 46:4154 47:324 49:1689
50:2169 51:108 52:1441 54:379 55:757 56:8
57:58 58:1756 59:1162 60:959 61:2261 62:2534
63:1940 64:5540 65:2336 66:4871 67:2978 68:1193
69:4183 70:1332 71:685 72:3059 74:2661 75:1392
76:582 77:2187 78:3920 79:3114 80:1993 81:1752
82:1498 83:1209 84:1353 85:3676 86:713 87:1973
88:2760 89:3317 90:530 91:7605 92:2012 93:2575
94:3470 95:4807 96:1311 97:349 98:1001 99:746
100:77 101:1044 102:2077 103:29158 104:4419 105:458
106:875 107:2530 108:838 109:4255 110:2007 111:3302
112:2038 113:1540 114:1482 115:1968 116:1917 117:2504
118:2319 119:1831 120:1698 121:1075 122:2544 123:2092
124:1590 125:2126 128:1245 129:1087 130:977 131:2052
132:772 133:378 134:1907 135:292 136:879 137:858
138:2432 139:1510 140:868 141:1422 142:1295 143:1442
144:1208 145:351 146:1818 147:1469 148:2212 149:1740
150:848 151:1077 152:1852 153:460 154:3547 155:1423
156:1810 157:1234 158:1048 159:2206 160:2534 161:1281
162:3464 163:1277 164:1634 165:1607 166:727 167:1716
168:3797 169:849 170:4466 171:831 172:3204 173:3126
174:1022 175:1124 176:3603 177:4613 178:3548 179:2065
180:2287 181:2960 182:3249 183:1956 184:2372 185:19531
186:4262 187:3801 188:3891 189:3293 190:8871 191:1287
192:11013 193:8625 194:7021 195:4946 196:2977 197:2392
198:5990 199:6047 200:7578 201:5724 202:10503 203:10026
204:4546 205:3430 206:3757 207:3379 208:4020 209:4673
210:4338 211:2447 212:4045 213:3404 214:1150 215:67
216:6479 217:2665 218:1291 219:573 220:1949 221:969
222:823 223:2154
End of report
