[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 2 20:31:50 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 02 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: 158376
Prefixes after maximum aggregation (per Origin AS): 62398
Deaggregation factor: 2.54
Unique aggregates announced (without unneeded subnets): 89161
Number of IPv4 prefixes with a valid ROA: 87024
Number of IPv4 prefixes with an invalid ROA: 70
Number of IPv4 prefixes with no ROA: 71282
Total ASes present in the Internet Routing Table: 14528
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 12248
Origin ASes announcing only one prefix: 5954
Transit ASes present in the Internet Routing Table: 2280
Transit-only ASes present in the Internet Routing Table: 544
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: 53
Max AS path prepend of ASN (212940) 45
Prefixes from unregistered ASNs in the Routing Table: 73
Number of instances of unregistered ASNs: 73
Number of 32-bit ASNs allocated by the RIRs: 46726
Number of 32-bit ASNs visible in the Routing Table: 7179
Prefixes from 32-bit ASNs in the Routing Table: 29459
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: 31
Number of addresses announced to Internet: 495000832
Equivalent to 29 /8s, 129 /16s and 29 /24s
Percentage of available address space announced: 13.4
Percentage of allocated address space announced: 13.4
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: 40018
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76562
Total APNIC prefixes after maximum aggregation: 23715
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 74886
Unique aggregates announced from the APNIC address blocks: 34895
APNIC Region origin ASes present in the Internet Routing Table: 4801
APNIC Prefixes per ASN: 15.60
APNIC Region origin ASes announcing only one prefix: 1783
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 3081
Number of APNIC addresses announced to Internet: 184439808
Equivalent to 10 /8s, 254 /16s and 84 /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: 26541
Total ARIN prefixes after maximum aggregation: 14360
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26042
Unique aggregates announced from the ARIN address blocks: 20375
ARIN Region origin ASes present in the Internet Routing Table: 2094
ARIN Prefixes per ASN: 12.44
ARIN Region origin ASes announcing only one prefix: 993
ARIN Region transit ASes present in the Internet Routing Table: 219
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: 480
Number of ARIN addresses announced to Internet: 161406976
Equivalent to 9 /8s, 158 /16s and 224 /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: 41142
Total RIPE prefixes after maximum aggregation: 19322
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 42042
Unique aggregates announced from the RIPE address blocks: 26318
RIPE Region origin ASes present in the Internet Routing Table: 4730
RIPE Prefixes per ASN: 8.89
RIPE Region origin ASes announcing only one prefix: 2200
RIPE Region transit ASes present in the Internet Routing Table: 688
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: 1680
Number of RIPE addresses announced to Internet: 125703168
Equivalent to 7 /8s, 126 /16s and 20 /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: 12469
Total LACNIC prefixes after maximum aggregation: 4503
LACNIC Deaggregation factor: 2.77
Prefixes being announced from the LACNIC address blocks: 12161
Unique aggregates announced from the LACNIC address blocks: 5901
LACNIC Region origin ASes present in the Internet Routing Table: 2237
LACNIC Prefixes per ASN: 5.44
LACNIC Region origin ASes announcing only one prefix: 938
LACNIC Region transit ASes present in the Internet Routing Table: 503
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1886
Number of LACNIC addresses announced to Internet: 18053888
Equivalent to 1 /8s, 19 /16s and 123 /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: 1589
Total AfriNIC prefixes after maximum aggregation: 445
AfriNIC Deaggregation factor: 3.57
Prefixes being announced from the AfriNIC address blocks: 3214
Unique aggregates announced from the AfriNIC address blocks: 1646
AfriNIC Region origin ASes present in the Internet Routing Table: 99
AfriNIC Prefixes per ASN: 32.46
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 28
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: 52
Number of AfriNIC addresses announced to Internet: 5378560
Equivalent to 0 /8s, 82 /16s and 18 /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 11231 8759 115 CHINAMOBILE-CN China Mobile Communication
9498 4283 502 304 BBIL-AP BHARTI Airtel Ltd., IN
24560 2897 861 525 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2368 812 180 CMNET-JIANGSU-AP China Mobile communicati
4766 1962 6031 922 KIXS-AS-KR Korea Telecom, KR
45609 1861 827 326 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1674 728 86 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1481 192 50 CMNET-HUNAN-AP China Mobile communication
9919 968 170 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 2449 338 618 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2307 3713 1328 AMAZON-02, US
20115 2245 3099 510 CHARTER-20115, US
11492 1955 135 1055 CABLEONE, US
714 1246 4391 8 APPLE-ENGINEERING, US
8075 777 16022 656 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1882 301 TWC-10796-MIDWEST, US
12083 566 192 88 WOW-INTERNET, US
2152 428 48 268 CENIC-2152, US
33363 381 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 2191 960 ROSTELECOM-AS PJSC Rostelecom. Technical
49505 954 100 407 SELECTEL, RU
25019 890 623 333 SAUDINETSTC-AS, SA
9123 678 42 306 TIMEWEB-AS, RU
50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 471 189 173 KAZTELECOM-AS, KZ
9155 428 37 9 QNET Kuwait, KW
21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
50340 377 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 2248 710 301 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 108 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 569 80 63 KENET-AS, KE
2018 374 318 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 24 9 5 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 11231 8759 115 CHINAMOBILE-CN China Mobile Communication
9498 4283 502 304 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
12389 2984 2191 960 ROSTELECOM-AS PJSC Rostelecom. Technical
24560 2897 861 525 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2449 338 618 MEDIACOM-ENTERPRISE-BUSINESS, US
56046 2368 812 180 CMNET-JIANGSU-AP China Mobile communicati
16509 2307 3713 1328 AMAZON-02, US
8151 2248 710 301 UNINET, MX
20115 2245 3099 510 CHARTER-20115, US
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 4283 3979 BBIL-AP BHARTI Airtel Ltd., IN
24560 2897 2372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
56046 2368 2188 CMNET-JIANGSU-AP China Mobile communications co
12389 2984 2024 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
8151 2248 1947 UNINET, MX
30036 2449 1831 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2245 1735 CHARTER-20115, US
56041 1674 1588 CMNET-ZHEJIANG-AP China Mobile communications c
45609 1861 1535 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 45.160.145.0/24 264161 FGTECH INFORMATICA LTDA
268652 UNALLOCATED 45.165.20.0/22 264493 UNASSIGNED
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US
396324 UNALLOCATED 66.57.112.0/24 11426 TWC-11426-CAROLINAS, US
26345 UNALLOCATED 71.13.182.0/24 20115 CHARTER-20115, 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
69.194.147.0/24 Origin: 16509 AMAZON-02, US
69.194.147.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
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
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 /16:2345 /17:1293 /18:2589
/19:4450 /20:7745 /21:9172 /22:16911 /23:16222 /24:96955
/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 4180 ALJAWWALSTC-AS, SA
30036 2132 2449 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1897 2984 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1347 1955 CABLEONE, US
8151 1230 2248 UNINET, MX
49505 667 954 SELECTEL, RU
9123 552 678 TIMEWEB-AS, RU
20115 549 2245 CHARTER-20115, US
36914 547 569 KENET-AS, KE
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)
----------------------------------------------
1:161 2:321 3:108 5:1139 8:81 12:73
13:95 14:392 15:59 16:62 17:329 18:75
20:28 23:745 24:596 25:2 27:518 31:558
32:2 34:3 35:51 36:2138 37:639 38:563
39:675 40:1 41:252 42:99 43:686 44:21
45:2398 46:793 47:60 49:194 50:326 51:136
52:257 54:62 57:28 58:274 59:459 60:103
61:777 62:579 63:128 64:362 65:179 66:318
67:291 68:70 69:258 70:47 71:76 72:243
74:214 75:66 76:62 77:500 78:458 79:251
80:229 81:351 82:409 83:186 84:209 85:471
86:130 87:330 88:101 89:475 90:136 91:1369
92:472 93:950 94:856 95:1542 96:274 97:146
98:73 99:47 101:464 102:109 103:7707 104:382
105:9 106:288 107:103 108:176 109:543 110:226
111:2129 112:1042 113:281 114:775 115:293 116:347
117:1215 118:300 119:225 120:1464 121:423 122:1734
123:389 124:317 125:1556 126:4 128:377 129:69
130:118 131:209 132:74 133:304 134:143 135:23
136:77 137:172 138:327 139:123 140:328 141:152
142:82 143:170 144:122 145:149 146:337 147:227
148:356 149:172 150:224 151:539 152:453 153:37
154:805 155:203 156:456 157:260 158:123 159:385
160:641 161:143 162:274 163:329 164:167 165:247
166:49 167:165 168:569 169:70 170:465 171:55
172:241 173:1005 174:126 175:575 176:737 177:518
178:720 179:158 180:397 181:156 182:1674 183:1179
184:141 185:2319 186:233 187:575 188:603 189:313
190:452 191:96 192:1806 193:1095 194:911 195:781
196:318 197:388 198:736 199:476 200:804 201:548
202:2437 203:2073 204:271 205:262 206:320 207:328
208:235 209:299 210:1374 211:1164 212:798 213:552
216:347 217:581 218:812 219:64 220:554 221:464
222:134 223:1337
End of report
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