[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 25 20:31:53 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 25 Jun, 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: 157329
Prefixes after maximum aggregation (per Origin AS): 62079
Deaggregation factor: 2.53
Unique aggregates announced (without unneeded subnets): 88638
Number of IPv4 prefixes with a valid ROA: 86085
Number of IPv4 prefixes with an invalid ROA: 72
Number of IPv4 prefixes with no ROA: 71172
Total ASes present in the Internet Routing Table: 14431
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 12189
Origin ASes announcing only one prefix: 5900
Transit ASes present in the Internet Routing Table: 2242
Transit-only ASes present in the Internet Routing Table: 530
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 45
Max AS path prepend of ASN (212940) 40
Prefixes from unregistered ASNs in the Routing Table: 76
Number of instances of unregistered ASNs: 76
Number of 32-bit ASNs allocated by the RIRs: 46645
Number of 32-bit ASNs visible in the Routing Table: 7164
Prefixes from 32-bit ASNs in the Routing Table: 29986
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 32
Number of addresses announced to Internet: 493194240
Equivalent to 29 /8s, 101 /16s and 140 /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: 39216
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76284
Total APNIC prefixes after maximum aggregation: 23749
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 74596
Unique aggregates announced from the APNIC address blocks: 34635
APNIC Region origin ASes present in the Internet Routing Table: 4805
APNIC Prefixes per ASN: 15.52
APNIC Region origin ASes announcing only one prefix: 1805
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3080
Number of APNIC addresses announced to Internet: 182978048
Equivalent to 10 /8s, 232 /16s and 6 /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: 27024
Total ARIN prefixes after maximum aggregation: 14422
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 26209
Unique aggregates announced from the ARIN address blocks: 20546
ARIN Region origin ASes present in the Internet Routing Table: 2086
ARIN Prefixes per ASN: 12.56
ARIN Region origin ASes announcing only one prefix: 974
ARIN Region transit ASes present in the Internet Routing Table: 217
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 477
Number of ARIN addresses announced to Internet: 161405952
Equivalent to 9 /8s, 158 /16s and 220 /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: 39806
Total RIPE prefixes after maximum aggregation: 18893
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 40696
Unique aggregates announced from the RIPE address blocks: 25652
RIPE Region origin ASes present in the Internet Routing Table: 4619
RIPE Prefixes per ASN: 8.81
RIPE Region origin ASes announcing only one prefix: 2143
RIPE Region transit ASes present in the Internet Routing Table: 661
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 45
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1648
Number of RIPE addresses announced to Internet: 124809984
Equivalent to 7 /8s, 112 /16s and 115 /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: 12551
Total LACNIC prefixes after maximum aggregation: 4577
LACNIC Deaggregation factor: 2.74
Prefixes being announced from the LACNIC address blocks: 12245
Unique aggregates announced from the LACNIC address blocks: 5980
LACNIC Region origin ASes present in the Internet Routing Table: 2267
LACNIC Prefixes per ASN: 5.40
LACNIC Region origin ASes announcing only one prefix: 937
LACNIC Region transit ASes present in the Internet Routing Table: 502
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1908
Number of LACNIC addresses announced to Internet: 18282752
Equivalent to 1 /8s, 22 /16s and 249 /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: 1588
Total AfriNIC prefixes after maximum aggregation: 383
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 3551
Unique aggregates announced from the AfriNIC address blocks: 1798
AfriNIC Region origin ASes present in the Internet Routing Table: 100
AfriNIC Prefixes per ASN: 35.51
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 30
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 51
Number of AfriNIC addresses announced to Internet: 5698560
Equivalent to 0 /8s, 86 /16s and 244 /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 11188 8761 112 CHINAMOBILE-CN China Mobile Communication
9498 4265 501 300 BBIL-AP BHARTI Airtel Ltd., IN
24560 2891 856 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2232 812 180 CMNET-JIANGSU-AP China Mobile communicati
4766 1956 6031 921 KIXS-AS-KR Korea Telecom, KR
45609 1855 826 325 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1675 728 86 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1482 192 50 CMNET-HUNAN-AP China Mobile communication
9919 970 170 64 NCIC-TW New Century InfoComm Tech Co., Lt
24547 867 176 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 2443 338 624 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2299 3712 1322 AMAZON-02, US
20115 2245 3099 510 CHARTER-20115, US
11492 1955 135 1055 CABLEONE, US
714 1243 4391 8 APPLE-ENGINEERING, US
8075 772 16022 652 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1882 301 TWC-10796-MIDWEST, US
12083 573 192 88 WOW-INTERNET, US
399077 507 32 80 TERAEXCH, US
2152 418 48 262 CENIC-2152, 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 4162 253 56 ALJAWWALSTC-AS, SA
12389 2354 1991 780 ROSTELECOM-AS PJSC Rostelecom. Technical
49505 953 100 406 SELECTEL, RU
25019 889 623 335 SAUDINETSTC-AS, SA
9123 671 42 303 TIMEWEB-AS, RU
50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 472 189 173 KAZTELECOM-AS, KZ
9155 428 37 9 QNET Kuwait, KW
21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
50340 376 38 239 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 2231 712 311 UNINET, MX
8167 342 1089 44 V tal, BR
7738 297 939 71 V tal, BR
1916 241 177 40 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 125 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 571 82 3 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
6879 24 2 9 ENSTINET-, EG
328543 23 8 4 sun-asn, SC
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 11188 8761 112 CHINAMOBILE-CN China Mobile Communication
9498 4265 501 300 BBIL-AP BHARTI Airtel Ltd., IN
39891 4162 253 56 ALJAWWALSTC-AS, SA
24560 2891 856 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2443 338 624 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2354 1991 780 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2299 3712 1322 AMAZON-02, US
20115 2245 3099 510 CHARTER-20115, US
56046 2232 812 180 CMNET-JIANGSU-AP China Mobile communicati
8151 2231 712 311 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 4162 4106 ALJAWWALSTC-AS, SA
9498 4265 3965 BBIL-AP BHARTI Airtel Ltd., IN
24560 2891 2362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
56046 2232 2052 CMNET-JIANGSU-AP China Mobile communications co
8151 2231 1920 UNINET, MX
30036 2443 1819 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2245 1735 CHARTER-20115, US
56041 1675 1589 CMNET-ZHEJIANG-AP China Mobile communications c
12389 2354 1574 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1855 1530 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
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
268419 UNALLOCATED 45.160.144.0/24 264161 FGTECH INFORMATICA LTDA
268419 UNALLOCATED 45.160.145.0/24 264161 FGTECH INFORMATICA LTDA
268419 UNALLOCATED 45.160.147.0/24 264161 FGTECH INFORMATICA LTDA
268652 UNALLOCATED 45.165.20.0/22 264493 UNASSIGNED
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, 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
103.12.68.0/22 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite
103.12.68.0/22 Transit: 17476 CHL-AS-AP CloudRadium HK Limited, HK
103.12.68.0/24 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite
103.12.68.0/24 Transit: 17476 CHL-AS-AP CloudRadium HK Limited, HK
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 /14:149 /15:389 /16:2352 /17:1286 /18:2558
/19:4385 /20:7481 /21:8919 /22:16628 /23:16129 /24:96897
/25:1 /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 4162 ALJAWWALSTC-AS, SA
30036 2126 2443 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1447 2354 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1347 1955 CABLEONE, US
8151 1220 2231 UNINET, MX
49505 667 953 SELECTEL, RU
20115 549 2245 CHARTER-20115, US
36914 547 571 KENET-AS, KE
9123 545 671 TIMEWEB-AS, RU
50010 516 618 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)
----------------------------------------------
1:160 2:322 3:108 5:1121 8:81 12:74
13:92 14:389 15:60 16:63 17:327 18:74
20:28 23:754 24:619 25:2 27:517 31:533
32:2 34:3 35:51 36:2095 37:638 38:530
39:674 40:1 41:254 42:100 43:690 44:20
45:2409 46:786 47:60 49:268 50:326 51:136
52:257 54:62 57:28 58:279 59:439 60:95
61:781 62:569 63:129 64:361 65:169 66:315
67:291 68:73 69:260 70:46 71:77 72:243
74:215 75:66 76:62 77:489 78:455 79:246
80:212 81:343 82:394 83:184 84:189 85:456
86:131 87:318 88:99 89:469 90:136 91:1341
92:463 93:939 94:785 95:1468 96:274 97:145
98:73 99:47 101:464 102:108 103:7703 104:377
105:9 106:290 107:103 108:174 109:462 110:238
111:2147 112:1009 113:280 114:821 115:299 116:348
117:1197 118:293 119:237 120:1439 121:420 122:1734
123:390 124:343 125:1548 126:4 128:380 129:67
130:120 131:204 132:74 133:304 134:137 135:23
136:75 137:173 138:323 139:123 140:328 141:149
142:82 143:176 144:122 145:148 146:337 147:220
148:353 149:193 150:223 151:519 152:453 153:37
154:992 155:205 156:595 157:266 158:122 159:386
160:627 161:142 162:273 163:334 164:170 165:242
166:45 167:172 168:573 169:82 170:471 171:55
172:236 173:1005 174:126 175:576 176:730 177:529
178:707 179:159 180:440 181:157 182:1659 183:1171
184:139 185:2260 186:232 187:586 188:603 189:317
190:461 191:95 192:1792 193:1111 194:902 195:776
196:318 197:387 198:731 199:476 200:794 201:549
202:2421 203:2086 204:270 205:264 206:520 207:321
208:240 209:303 210:1371 211:1160 212:745 213:526
216:351 217:565 218:812 219:68 220:556 221:453
222:134 223:1335
End of report
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