[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 12 20:31:50 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sat 12 Jul, 2025
IPv4 BGP Table (R&E) as seen at PREGINET.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PREGINET/
Analysis Summary
----------------
BGP routing table entries examined: 159263
Prefixes after maximum aggregation (per Origin AS): 62637
Deaggregation factor: 2.54
Unique aggregates announced (without unneeded subnets): 89907
Number of IPv4 prefixes with a valid ROA: 87832
Number of IPv4 prefixes with an invalid ROA: 62
Number of IPv4 prefixes with no ROA: 71369
Total ASes present in the Internet Routing Table: 14476
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 12197
Origin ASes announcing only one prefix: 5928
Transit ASes present in the Internet Routing Table: 2279
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 5
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 53
Max AS path prepend of ASN (212940) 45
Prefixes from unregistered ASNs in the Routing Table: 81
Number of instances of unregistered ASNs: 81
Number of 32-bit ASNs allocated by the RIRs: 46816
Number of 32-bit ASNs visible in the Routing Table: 7142
Prefixes from 32-bit ASNs in the Routing Table: 29115
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 24
Number of addresses announced to Internet: 492711936
Equivalent to 29 /8s, 94 /16s and 48 /24s
Percentage of available address space announced: 13.3
Percentage of allocated address space announced: 13.3
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: 40575
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76775
Total APNIC prefixes after maximum aggregation: 23379
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 75025
Unique aggregates announced from the APNIC address blocks: 34467
APNIC Region origin ASes present in the Internet Routing Table: 4663
APNIC Prefixes per ASN: 16.09
APNIC Region origin ASes announcing only one prefix: 1724
APNIC Region transit ASes present in the Internet Routing Table: 716
Average APNIC Region AS path length visible: 7.5
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3014
Number of APNIC addresses announced to Internet: 181815808
Equivalent to 10 /8s, 214 /16s and 74 /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, 131072-155961
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: 26586
Total ARIN prefixes after maximum aggregation: 14415
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26125
Unique aggregates announced from the ARIN address blocks: 20429
ARIN Region origin ASes present in the Internet Routing Table: 2092
ARIN Prefixes per ASN: 12.49
ARIN Region origin ASes announcing only one prefix: 996
ARIN Region transit ASes present in the Internet Routing Table: 218
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 479
Number of ARIN addresses announced to Internet: 161420544
Equivalent to 9 /8s, 159 /16s and 21 /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, 393216-402332
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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 41817
Total RIPE prefixes after maximum aggregation: 19680
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 42742
Unique aggregates announced from the RIPE address blocks: 26913
RIPE Region origin ASes present in the Internet Routing Table: 4816
RIPE Prefixes per ASN: 8.88
RIPE Region origin ASes announcing only one prefix: 2235
RIPE Region transit ASes present in the Internet Routing Table: 703
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 50
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1719
Number of RIPE addresses announced to Internet: 126160896
Equivalent to 7 /8s, 133 /16s and 16 /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
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 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: 12454
Total LACNIC prefixes after maximum aggregation: 4516
LACNIC Deaggregation factor: 2.76
Prefixes being announced from the LACNIC address blocks: 12135
Unique aggregates announced from the LACNIC address blocks: 5966
LACNIC Region origin ASes present in the Internet Routing Table: 2238
LACNIC Prefixes per ASN: 5.42
LACNIC Region origin ASes announcing only one prefix: 933
LACNIC Region transit ASes present in the Internet Routing Table: 497
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1879
Number of LACNIC addresses announced to Internet: 18018304
Equivalent to 1 /8s, 18 /16s and 240 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1550
Total AfriNIC prefixes after maximum aggregation: 586
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 3212
Unique aggregates announced from the AfriNIC address blocks: 2109
AfriNIC Region origin ASes present in the Internet Routing Table: 98
AfriNIC Prefixes per ASN: 32.78
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 51
Number of AfriNIC addresses announced to Internet: 5279488
Equivalent to 0 /8s, 80 /16s and 143 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 11570 8761 117 CHINAMOBILE-CN China Mobile Communication
9498 4294 502 304 BBIL-AP BHARTI Airtel Ltd., IN
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2597 812 179 CMNET-JIANGSU-AP China Mobile communicati
4766 1948 6030 915 KIXS-AS-KR Korea Telecom, KR
45609 1879 829 330 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1615 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1501 192 50 CMNET-HUNAN-AP China Mobile communication
9919 971 170 64 NCIC-TW New Century InfoComm Tech Co., Lt
24547 871 176 59 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30036 2452 339 618 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2309 3737 1335 AMAZON-02, US
20115 2246 3099 511 CHARTER-20115, US
11492 1961 136 1060 CABLEONE, US
714 1244 4391 8 APPLE-ENGINEERING, US
8075 778 16022 655 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1882 301 TWC-10796-MIDWEST, US
12083 558 192 88 WOW-INTERNET, US
2152 428 48 268 CENIC-2152, US
33363 380 1424 212 BHN-33363, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 4180 255 53 ALJAWWALSTC-AS, SA
12389 2984 2203 953 ROSTELECOM-AS PJSC Rostelecom. Technical
49505 956 100 407 SELECTEL, RU
25019 921 611 336 SAUDINETSTC-AS, SA
9123 678 42 306 TIMEWEB-AS, RU
50010 612 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 520 208 188 KAZTELECOM-AS, KZ
9155 429 37 9 QNET Kuwait, KW
21299 427 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
50340 379 39 241 SELECTEL-MSK, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 2153 673 311 UNINET, MX
8167 342 1089 44 V tal, BR
7738 297 939 71 V tal, BR
1916 240 177 41 Rede Nacional de Ensino e Pesquisa, BR
28201 219 16 28 Companhia Itabirana Telecomunicacoes Ltda
28391 159 10 71 Universidad Juarez Autonoma de Tabasco, M
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11014 123 10 26 CPS, AR
11340 109 9 52 Red Universitaria Nacional, CL
19089 107 18 45 Scala Data Centers, BR
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 561 57 214 KENET-AS, KE
2018 375 318 69 TENET-1, ZA
15399 76 7 28 WANANCHI-, KE
30999 74 25 32 EMTEL-AS-AP, MU
23889 55 37 31 MauritiusTelecom, MU
10798 54 3 36 SBICSA, ZA
8094 47 48 18 PUKNET, ZA
37215 37 8 1 MAREN, MW
328543 23 8 4 sun-asn, SC
327885 17 4 3 Viettel-Tanzania, TZ
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 11570 8761 117 CHINAMOBILE-CN China Mobile Communication
9498 4294 502 304 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
12389 2984 2203 953 ROSTELECOM-AS PJSC Rostelecom. Technical
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2597 812 179 CMNET-JIANGSU-AP China Mobile communicati
30036 2452 339 618 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2309 3737 1335 AMAZON-02, US
20115 2246 3099 511 CHARTER-20115, US
8151 2153 673 311 UNINET, MX
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
39891 4180 4127 ALJAWWALSTC-AS, SA
9498 4294 3990 BBIL-AP BHARTI Airtel Ltd., IN
56046 2597 2418 CMNET-JIANGSU-AP China Mobile communications co
24560 2902 2383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
12389 2984 2031 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
8151 2153 1842 UNINET, MX
30036 2452 1834 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2246 1735 CHARTER-20115, US
45609 1879 1549 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1615 1541 CMNET-ZHEJIANG-AP China Mobile communications c
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI
46123 UNALLOCATED 24.73.234.0/24 33363 BHN-33363, US
53771 UNALLOCATED 24.172.253.0/24 11426 TWC-11426-CAROLINAS, US
53657 UNALLOCATED 24.213.247.0/24 11351 TWC-11351-NORTHEAST, US
11835 UNALLOCATED 45.4.236.0/22 14868 Ligga Telecomunicacoes
268652 UNALLOCATED 45.165.20.0/22 264493 UNASSIGNED
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US
396324 UNALLOCATED 66.57.112.0/24 11426 TWC-11426-CAROLINAS, US
26345 UNALLOCATED 71.13.182.0/24 20115 CHARTER-20115, US
46123 UNALLOCATED 71.46.221.0/24 33363 BHN-33363, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/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://bgp.nsrc.org/REN/PREGINET/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.5.136.0/22 Origin: 4686 BEKKOAME BEKKOAME INTERNET INC., JP
103.5.136.0/22 Transit: 10013 FBDC FreeBit Co.,Ltd., JP
103.6.224.0/22 Origin: 4686 BEKKOAME BEKKOAME INTERNET INC., JP
103.6.224.0/22 Transit: 10013 FBDC FreeBit Co.,Ltd., JP
103.8.106.0/24 Origin: 135391 AOFEI-HK AOFEI DATA INTERNATIONAL COMPAN
103.8.106.0/24 Transit: 55888 NINTATSU Nintatsu Global Telecommunicati
103.83.18.0/24 Origin: 133457 SSB-AS-AP ScopeTel Sdn Bhd, MY
103.83.18.0/24 Transit: 136400 ACG-AFG-AS-AP Asia Consultancy Group, AF
103.96.76.0/24 Origin: 132238 AHSL-AS-AP Array Health, NZ
103.96.76.0/24 Transit: 17981 CAMBOTECH-KH-AS Cambo TechnologyISP Co.,
Complete listing at https://bgp.nsrc.org/REN/PREGINET/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 /8:1 /9:2 /10:13 /11:13 /12:46
/13:80 /14:148 /15:384 /16:2319 /17:1291 /18:2623
/19:4474 /20:7762 /21:9249 /22:17113 /23:16234 /24:97511
/25:0 /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
39891 3321 4180 ALJAWWALSTC-AS, SA
30036 2135 2452 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1899 2984 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1351 1961 CABLEONE, US
8151 1226 2153 UNINET, MX
49505 669 956 SELECTEL, RU
9123 552 678 TIMEWEB-AS, RU
20115 550 2246 CHARTER-20115, US
36914 541 561 KENET-AS, KE
50010 510 612 NAWRAS-AS Sultanate of Oman, OM
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:139 2:321 3:108 5:1141 8:81 12:74
13:95 14:376 15:59 16:62 17:329 18:75
23:816 24:594 25:2 27:482 31:569 32:2
34:3 35:51 36:2428 37:660 38:574 39:677
40:1 41:246 42:105 43:673 44:18 45:2367
46:802 47:60 49:210 50:327 51:136 52:256
54:62 57:28 58:252 59:455 60:109 61:780
62:588 63:128 64:370 65:185 66:320 67:295
68:71 69:260 70:36 71:77 72:225 74:218
75:65 76:63 77:502 78:480 79:259 80:233
81:344 82:401 83:187 84:202 85:480 86:129
87:348 88:108 89:469 90:136 91:1393 92:478
93:949 94:910 95:1547 96:272 97:146 98:73
99:45 101:468 102:111 103:7579 104:374 105:9
106:296 107:103 108:176 109:555 110:238 111:2147
112:1056 113:278 114:749 115:297 116:343 117:1219
118:314 119:231 120:1482 121:387 122:1718 123:408
124:315 125:1565 126:4 128:378 129:72 130:110
131:210 132:74 133:303 134:103 135:24 136:76
137:173 138:335 139:121 140:326 141:150 142:80
143:152 144:134 145:148 146:341 147:228 148:354
149:173 150:229 151:547 152:454 153:37 154:815
155:187 156:522 157:254 158:122 159:386 160:640
161:144 162:279 163:322 164:169 165:223 166:58
167:163 168:575 169:72 170:458 171:55 172:240
173:1003 174:125 175:578 176:737 177:512 178:719
179:156 180:408 181:153 182:1681 183:1208 184:141
185:2409 186:250 187:610 188:794 189:306 190:460
191:89 192:1773 193:1142 194:927 195:771 196:324
197:386 198:733 199:477 200:788 201:544 202:2393
203:1914 204:270 205:268 206:321 207:327 208:233
209:312 210:1362 211:1176 212:796 213:557 216:356
217:587 218:810 219:63 220:551 221:499 222:130
223:1347
End of report
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