IPv4 Routing Table Report 04:00 +10GMT Mon 01 Aug, 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: 905357
Prefixes after maximum aggregation (per Origin AS): 341147
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 437401
Total ASes present in the Internet Routing Table: 73486
Prefixes per ASN: 12.32
Origin-only ASes present in the Internet Routing Table: 63071
Origin ASes announcing only one prefix: 25966
Transit ASes present in the Internet Routing Table: 10415
Transit-only ASes present in the Internet Routing Table: 395
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: 971
Number of instances of unregistered ASNs: 973
Number of 32-bit ASNs allocated by the RIRs: 39905
Number of 32-bit ASNs visible in the Routing Table: 33111
Prefixes from 32-bit ASNs in the Routing Table: 157839
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 500
Number of addresses announced to Internet: 3071320960
Equivalent to 183 /8s, 16 /16s and 163 /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: 307533
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 236249
Total APNIC prefixes after maximum aggregation: 67186
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 231233
Unique aggregates announced from the APNIC address blocks: 96180
APNIC Region origin ASes present in the Internet Routing Table: 12843
APNIC Prefixes per ASN: 18.00
APNIC Region origin ASes announcing only one prefix: 3735
APNIC Region transit ASes present in the Internet Routing Table: 1753
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: 8066
Number of APNIC addresses announced to Internet: 773192448
Equivalent to 46 /8s, 21 /16s and 251 /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: 264371
Total ARIN prefixes after maximum aggregation: 120905
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 264466
Unique aggregates announced from the ARIN address blocks: 127385
ARIN Region origin ASes present in the Internet Routing Table: 19043
ARIN Prefixes per ASN: 13.89
ARIN Region origin ASes announcing only one prefix: 6912
ARIN Region transit ASes present in the Internet Routing Table: 1921
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: 1295858176
Equivalent to 77 /8s, 61 /16s and 58 /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: 259699
Total RIPE prefixes after maximum aggregation: 119014
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257152
Unique aggregates announced from the RIPE address blocks: 152783
RIPE Region origin ASes present in the Internet Routing Table: 28172
RIPE Prefixes per ASN: 9.13
RIPE Region origin ASes announcing only one prefix: 12075
RIPE Region transit ASes present in the Internet Routing Table: 3994
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: 10771
Number of RIPE addresses announced to Internet: 717871232
Equivalent to 42 /8s, 201 /16s and 216 /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: 115987
Total LACNIC prefixes after maximum aggregation: 27752
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 115708
Unique aggregates announced from the LACNIC address blocks: 48814
LACNIC Region origin ASes present in the Internet Routing Table: 10978
LACNIC Prefixes per ASN: 10.54
LACNIC Region origin ASes announcing only one prefix: 2663
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: 8704
Number of LACNIC addresses announced to Internet: 176444928
Equivalent to 10 /8s, 132 /16s and 86 /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: 28080
Total AfriNIC prefixes after maximum aggregation: 5548
AfriNIC Deaggregation factor: 5.06
Prefixes being announced from the AfriNIC address blocks: 36298
Unique aggregates announced from the AfriNIC address blocks: 11820
AfriNIC Region origin ASes present in the Internet Routing Table: 1664
AfriNIC Prefixes per ASN: 21.81
AfriNIC Region origin ASes announcing only one prefix: 581
AfriNIC Region transit ASes present in the Internet Routing Table: 322
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: 995
Number of AfriNIC addresses announced to Internet: 107670528
Equivalent to 6 /8s, 106 /16s and 236 /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 9030 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5928 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4713 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3514 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 6755 10387 2695 AMAZON-02, US
11492 4530 300 628 CABLEONE, US
7155 3906 265 32 VIASAT-SP-BACKBONE, US
22773 3824 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3462 1782 2504 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 6881 1730 144 UNI2-AS, ES
9121 6652 1692 17 TTNET, TR
20940 4042 3348 219 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 2581 254 1334 M247, GB
34984 2244 357 633 TELLCOM-AS, TR
47331 2026 320 1548 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 10793 3397 558 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 611 1863 34 IAM-AS, MA
15399 517 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 10793 3397 558 Uninet S.A. de C.V., MX
9808 9030 8884 50 CHINAMOBILE-CN China Mobile Communicati
12479 6881 1730 144 UNI2-AS, ES
16509 6755 10387 2695 AMAZON-02, US
9121 6652 1692 17 TTNET, TR
7545 5928 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4713 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4530 300 628 CABLEONE, US
20940 4042 3348 219 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 9030 8980 CHINAMOBILE-CN China Mobile Communications Grou
12479 6881 6737 UNI2-AS, ES
9121 6652 6635 TTNET, TR
7545 5928 5233 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4713 4638 ERX-CERNET-BKB China Education and Research Net
16509 6755 4060 AMAZON-02, US
39891 4006 3960 ALJAWWALSTC-AS, SA
8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 4530 3902 CABLEONE, US
7155 3906 3874 VIASAT-SP-BACKBONE, 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 /12:303
/13:593 /14:1208 /15:2065 /16:13545 /17:8316 /18:13920
/19:25097 /20:44403 /21:52221 /22:109052 /23:96922 /24:536734
/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 5867 6881 UNI2-AS, ES
9121 5810 6652 TTNET, TR
8151 4521 10793 Uninet S.A. de C.V., MX
8551 3457 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3434 4530 CABLEONE, US
6327 3258 3448 SHAW, CA
39891 3189 4006 ALJAWWALSTC-AS, SA
7155 2995 3906 VIASAT-SP-BACKBONE, US
22773 2844 3824 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)
----------------------------------------------
1:1957 2:1025 3:157 4:5 5:3828 6:111
7:6 8:1581 9:1 11:173 12:1642 13:341
14:2358 15:234 16:44 17:390 18:175 20:242
21:4 22:188 23:5838 24:2394 25:6 27:2620
29:19 31:2424 32:95 34:7 35:87 36:1812
37:4443 38:3336 39:719 40:152 41:3897 42:1133
43:2212 44:290 45:16058 46:4161 47:330 49:1713
50:1953 51:237 52:1450 54:384 55:852 56:8
57:58 58:1805 59:1162 60:964 61:2292 62:2535
63:1929 64:5600 65:2394 66:4872 67:2966 68:1194
69:4194 70:1317 71:681 72:3036 74:2642 75:1399
76:581 77:2253 78:3920 79:3129 80:2004 81:1786
82:1497 83:1209 84:1368 85:3673 86:738 87:1904
88:2799 89:3370 90:546 91:7621 92:2023 93:2562
94:3512 95:4760 96:1332 97:352 98:1024 99:752
100:77 101:1055 102:2193 103:29528 104:4534 105:468
106:881 107:2550 108:867 109:4330 110:1993 111:3321
112:2038 113:1540 114:1485 115:1997 116:1916 117:2421
118:2294 119:1823 120:1768 121:1068 122:2557 123:2093
124:1595 125:2114 128:1222 129:1060 130:979 131:2044
132:773 133:378 134:1938 135:298 136:892 137:862
138:2515 139:1489 140:935 141:1443 142:1330 143:1393
144:1207 145:347 146:1834 147:1521 148:2173 149:1754
150:865 151:1071 152:1868 153:461 154:3828 155:1451
156:1755 157:1271 158:1038 159:2224 160:2497 161:1312
162:3487 163:1333 164:1650 165:1629 166:769 167:1750
168:3813 169:876 170:4540 171:839 172:3291 173:3126
174:1032 175:1145 176:3621 177:4768 178:3540 179:2176
180:2334 181:3247 182:3239 183:1938 184:2344 185:19593
186:4405 187:3817 188:3990 189:3387 190:8965 191:1456
192:10999 193:8668 194:7081 195:5029 196:2940 197:2439
198:6012 199:6037 200:7600 201:5834 202:10503 203:10052
204:4520 205:3450 206:3765 207:3389 208:4027 209:4704
210:4383 211:2410 212:4058 213:3482 214:1135 215:65
216:6376 217:2638 218:1285 219:574 220:2007 221:961
222:828 223:2002
End of report
