[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 3 20:31:42 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Tue 03 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: 160825
Prefixes after maximum aggregation (per Origin AS): 63928
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 90704
Number of IPv4 prefixes with a valid ROA: 88760
Number of IPv4 prefixes with an invalid ROA: 74
Number of IPv4 prefixes with no ROA: 71991
Total ASes present in the Internet Routing Table: 14668
Prefixes per ASN: 10.96
Origin-only ASes present in the Internet Routing Table: 12402
Origin ASes announcing only one prefix: 6013
Transit ASes present in the Internet Routing Table: 2266
Transit-only ASes present in the Internet Routing Table: 492
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: 69
Number of instances of unregistered ASNs: 69
Number of 32-bit ASNs allocated by the RIRs: 46558
Number of 32-bit ASNs visible in the Routing Table: 7261
Prefixes from 32-bit ASNs in the Routing Table: 30155
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: 505243136
Equivalent to 30 /8s, 29 /16s and 102 /24s
Percentage of available address space announced: 13.6
Percentage of allocated address space announced: 13.6
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: 39249
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79274
Total APNIC prefixes after maximum aggregation: 25069
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 77493
Unique aggregates announced from the APNIC address blocks: 36579
APNIC Region origin ASes present in the Internet Routing Table: 4988
APNIC Prefixes per ASN: 15.54
APNIC Region origin ASes announcing only one prefix: 1849
APNIC Region transit ASes present in the Internet Routing Table: 756
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3192
Number of APNIC addresses announced to Internet: 188776192
Equivalent to 11 /8s, 64 /16s and 127 /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: 27176
Total ARIN prefixes after maximum aggregation: 14827
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 26772
Unique aggregates announced from the ARIN address blocks: 20766
ARIN Region origin ASes present in the Internet Routing Table: 2156
ARIN Prefixes per ASN: 12.42
ARIN Region origin ASes announcing only one prefix: 1014
ARIN Region transit ASes present in the Internet Routing Table: 221
Average ARIN Region AS path length visible: 5.2
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: 167139584
Equivalent to 9 /8s, 246 /16s and 89 /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: 40215
Total RIPE prefixes after maximum aggregation: 19102
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 41037
Unique aggregates announced from the RIPE address blocks: 25879
RIPE Region origin ASes present in the Internet Routing Table: 4675
RIPE Prefixes per ASN: 8.78
RIPE Region origin ASes announcing only one prefix: 2171
RIPE Region transit ASes present in the Internet Routing Table: 668
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: 1666
Number of RIPE addresses announced to Internet: 125406208
Equivalent to 7 /8s, 121 /16s and 140 /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: 12500
Total LACNIC prefixes after maximum aggregation: 4502
LACNIC Deaggregation factor: 2.78
Prefixes being announced from the LACNIC address blocks: 11997
Unique aggregates announced from the LACNIC address blocks: 5774
LACNIC Region origin ASes present in the Internet Routing Table: 2239
LACNIC Prefixes per ASN: 5.36
LACNIC Region origin ASes announcing only one prefix: 939
LACNIC Region transit ASes present in the Internet Routing Table: 483
Average LACNIC Region AS path length visible: 7.5
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1872
Number of LACNIC addresses announced to Internet: 18020864
Equivalent to 1 /8s, 18 /16s and 250 /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: 1591
Total AfriNIC prefixes after maximum aggregation: 379
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 3494
Unique aggregates announced from the AfriNIC address blocks: 1679
AfriNIC Region origin ASes present in the Internet Routing Table: 99
AfriNIC Prefixes per ASN: 35.29
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 7.4
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 51
Number of AfriNIC addresses announced to Internet: 5879040
Equivalent to 0 /8s, 89 /16s and 181 /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 10888 8756 96 CHINAMOBILE-CN China Mobile Communication
9498 4241 500 295 BBIL-AP BHARTI Airtel Ltd., IN
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2151 1067 457 VIETEL-AS-AP Viettel Group, VN
4766 1982 6032 921 KIXS-AS-KR Korea Telecom, KR
56046 1931 812 180 CMNET-JIANGSU-AP China Mobile communicati
45609 1853 826 324 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1638 728 86 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 50 CMNET-HUNAN-AP China Mobile communication
9919 971 170 64 NCIC-TW New Century InfoComm Tech Co., Lt
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 2422 335 650 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2265 3647 1302 AMAZON-02, US
20115 2245 3096 513 CHARTER-20115, US
11492 1934 134 1045 CABLEONE, US
714 1239 4391 8 APPLE-ENGINEERING, US
8075 761 16021 643 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 638 1880 300 TWC-10796-MIDWEST, US
12083 581 192 88 WOW-INTERNET, US
2152 402 45 268 CENIC-2152, US
33363 388 1424 215 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 2313 1992 781 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 884 621 320 SAUDINETSTC-AS, SA
49505 860 92 356 SELECTEL, RU
9123 643 40 290 TIMEWEB-AS, RU
50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 487 191 179 KAZTELECOM-AS, KZ
9155 429 37 8 QNET Kuwait, KW
21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
42772 374 63 104 A1-BY-AS, BY
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 2087 692 280 UNINET, MX
7738 510 1527 64 V tal, BR
8167 342 1089 44 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 126 10 26 CPS, AR
11340 110 25 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 551 82 3 KENET-AS, KE
2018 374 318 69 TENET-1, ZA
30999 74 25 32 EMTEL-AS-AP, MU
15399 71 6 26 WANANCHI-, KE
23889 55 37 31 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37473 46 4 2 TELESOM, SO
10798 38 2 30 SBICSA, ZA
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
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 10888 8756 96 CHINAMOBILE-CN China Mobile Communication
9498 4241 500 295 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2422 335 650 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2313 1992 781 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2265 3647 1302 AMAZON-02, US
20115 2245 3096 513 CHARTER-20115, US
7552 2151 1067 457 VIETEL-AS-AP Viettel Group, VN
8151 2087 692 280 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 4241 3946 BBIL-AP BHARTI Airtel Ltd., IN
24560 2878 2350 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
8151 2087 1807 UNINET, MX
30036 2422 1772 MEDIACOM-ENTERPRISE-BUSINESS, US
56046 1931 1751 CMNET-JIANGSU-AP China Mobile communications co
20115 2245 1732 CHARTER-20115, US
7552 2151 1694 VIETEL-AS-AP Viettel Group, VN
56041 1638 1552 CMNET-ZHEJIANG-AP China Mobile communications c
12389 2313 1532 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
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
103.12.68.0/22 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 /12:47
/13:82 /14:162 /15:395 /16:2474 /17:1301 /18:2782
/19:4488 /20:7654 /21:9636 /22:17441 /23:16691 /24:97642
/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 2105 2422 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1404 2313 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1326 1934 CABLEONE, US
8151 1141 2087 UNINET, MX
49505 597 860 SELECTEL, RU
20115 552 2245 CHARTER-20115, US
36914 527 551 KENET-AS, KE
9123 521 643 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 3:105 5:1114 8:80 12:79
13:93 14:401 15:59 16:63 17:325 18:74
20:28 23:725 24:595 25:2 27:613 31:560
32:2 34:3 35:50 36:1939 37:637 38:548
39:695 40:1 41:247 42:115 43:673 44:21
45:2340 46:786 47:64 49:209 50:326 51:138
52:259 54:62 57:28 58:273 59:463 60:95
61:796 62:563 63:130 64:364 65:164 66:318
67:293 68:78 69:263 70:47 71:83 72:259
74:217 75:66 76:62 77:493 78:455 79:247
80:228 81:342 82:381 83:190 84:195 85:384
86:135 87:321 88:105 89:481 90:135 91:1388
92:458 93:955 94:782 95:1480 96:268 97:146
98:72 99:47 101:500 102:110 103:7925 104:374
105:9 106:293 107:109 108:175 109:454 110:224
111:2112 112:980 113:300 114:835 115:375 116:431
117:1380 118:348 119:241 120:1334 121:424 122:1728
123:394 124:351 125:1595 126:6 128:381 129:63
130:128 131:210 132:52 133:302 134:165 135:23
136:78 137:179 138:324 139:217 140:325 141:190
142:83 143:164 144:136 145:153 146:371 147:225
148:354 149:194 150:217 151:533 152:455 153:38
154:932 155:206 156:484 157:285 158:131 159:402
160:635 161:142 162:283 163:327 164:150 165:232
166:42 167:198 168:587 169:74 170:482 171:194
172:235 173:986 174:123 175:580 176:721 177:489
178:690 179:179 180:455 181:159 182:1638 183:1134
184:137 185:2301 186:214 187:541 188:592 189:312
190:477 191:100 192:1883 193:1120 194:924 195:780
196:314 197:373 198:775 199:526 200:790 201:538
202:2463 203:2192 204:288 205:267 206:316 207:327
208:246 209:317 210:1481 211:1151 212:767 213:533
214:1 216:358 217:541 218:811 219:61 220:564
221:410 222:132 223:1214
End of report
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