[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 16 20:31:54 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 16 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: 159507
Prefixes after maximum aggregation (per Origin AS): 62778
Deaggregation factor: 2.54
Unique aggregates announced (without unneeded subnets): 89836
Number of IPv4 prefixes with a valid ROA: 87763
Number of IPv4 prefixes with an invalid ROA: 65
Number of IPv4 prefixes with no ROA: 71679
Total ASes present in the Internet Routing Table: 14474
Prefixes per ASN: 11.02
Origin-only ASes present in the Internet Routing Table: 12182
Origin ASes announcing only one prefix: 5913
Transit ASes present in the Internet Routing Table: 2292
Transit-only ASes present in the Internet Routing Table: 545
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: 80
Number of instances of unregistered ASNs: 80
Number of 32-bit ASNs allocated by the RIRs: 46838
Number of 32-bit ASNs visible in the Routing Table: 7141
Prefixes from 32-bit ASNs in the Routing Table: 29481
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: 28
Number of addresses announced to Internet: 493038336
Equivalent to 29 /8s, 99 /16s and 43 /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: 40640
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76774
Total APNIC prefixes after maximum aggregation: 23366
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 74948
Unique aggregates announced from the APNIC address blocks: 34267
APNIC Region origin ASes present in the Internet Routing Table: 4655
APNIC Prefixes per ASN: 16.10
APNIC Region origin ASes announcing only one prefix: 1728
APNIC Region transit ASes present in the Internet Routing Table: 717
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: 181496576
Equivalent to 10 /8s, 209 /16s and 107 /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: 14401
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26157
Unique aggregates announced from the ARIN address blocks: 20340
ARIN Region origin ASes present in the Internet Routing Table: 2098
ARIN Prefixes per ASN: 12.47
ARIN Region origin ASes announcing only one prefix: 1002
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: 479
Number of ARIN addresses announced to Internet: 161660928
Equivalent to 9 /8s, 162 /16s and 192 /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: 41989
Total RIPE prefixes after maximum aggregation: 19783
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 42822
Unique aggregates announced from the RIPE address blocks: 27106
RIPE Region origin ASes present in the Internet Routing Table: 4809
RIPE Prefixes per ASN: 8.90
RIPE Region origin ASes announcing only one prefix: 2213
RIPE Region transit ASes present in the Internet Routing Table: 705
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: 1724
Number of RIPE addresses announced to Internet: 126224384
Equivalent to 7 /8s, 134 /16s and 8 /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: 12536
Total LACNIC prefixes after maximum aggregation: 4587
LACNIC Deaggregation factor: 2.73
Prefixes being announced from the LACNIC address blocks: 12175
Unique aggregates announced from the LACNIC address blocks: 6012
LACNIC Region origin ASes present in the Internet Routing Table: 2242
LACNIC Prefixes per ASN: 5.43
LACNIC Region origin ASes announcing only one prefix: 929
LACNIC Region transit ASes present in the Internet Routing Table: 506
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1873
Number of LACNIC addresses announced to Internet: 18167296
Equivalent to 1 /8s, 21 /16s and 54 /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: 1587
Total AfriNIC prefixes after maximum aggregation: 581
AfriNIC Deaggregation factor: 2.73
Prefixes being announced from the AfriNIC address blocks: 3377
Unique aggregates announced from the AfriNIC address blocks: 2084
AfriNIC Region origin ASes present in the Internet Routing Table: 101
AfriNIC Prefixes per ASN: 33.44
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 28
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 51
Number of AfriNIC addresses announced to Internet: 5471232
Equivalent to 0 /8s, 83 /16s and 124 /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 11631 8761 117 CHINAMOBILE-CN China Mobile Communication
9498 4324 502 304 BBIL-AP BHARTI Airtel Ltd., IN
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2684 812 179 CMNET-JIANGSU-AP China Mobile communicati
4766 1952 6031 919 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 2450 339 627 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2308 3752 1334 AMAZON-02, US
20115 2245 3097 510 CHARTER-20115, US
11492 1965 136 1059 CABLEONE, US
714 1247 4391 8 APPLE-ENGINEERING, US
8075 784 16023 661 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1882 301 TWC-10796-MIDWEST, US
12083 555 192 88 WOW-INTERNET, US
2152 427 48 267 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 2983 2203 951 ROSTELECOM-AS PJSC Rostelecom. Technical
49505 956 100 407 SELECTEL, RU
25019 887 609 377 SAUDINETSTC-AS, SA
9123 678 42 306 TIMEWEB-AS, RU
50010 612 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 519 208 188 KAZTELECOM-AS, KZ
20940 430 3388 43 AKAMAI-ASN1, NL
9155 429 37 9 QNET Kuwait, KW
21299 427 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
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 2164 675 309 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
262287 150 25 125 Latitude.sh LTDA, BR
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11014 123 10 26 CPS, AR
11340 109 9 52 Red Universitaria Nacional, CL
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 565 57 204 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 24 9 5 sun-asn, SC
37326 17 1 2 GICO, SO
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 11631 8761 117 CHINAMOBILE-CN China Mobile Communication
9498 4324 502 304 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
12389 2983 2203 951 ROSTELECOM-AS PJSC Rostelecom. Technical
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2684 812 179 CMNET-JIANGSU-AP China Mobile communicati
30036 2450 339 627 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2308 3752 1334 AMAZON-02, US
20115 2245 3097 510 CHARTER-20115, US
8151 2164 675 309 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 4324 4020 BBIL-AP BHARTI Airtel Ltd., IN
56046 2684 2505 CMNET-JIANGSU-AP China Mobile communications co
24560 2902 2383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
12389 2983 2032 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
8151 2164 1855 UNINET, MX
30036 2450 1823 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2245 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
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
395888 UNALLOCATED 71.92.235.0/24 33588 BRESNAN-33588, 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 /16:2324 /17:1290 /18:2628
/19:4473 /20:7741 /21:9260 /22:17191 /23:16282 /24:97631
/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 2133 2450 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1898 2983 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1355 1965 CABLEONE, US
8151 1232 2164 UNINET, MX
49505 669 956 SELECTEL, RU
9123 552 678 TIMEWEB-AS, RU
20115 550 2245 CHARTER-20115, US
36914 545 565 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)
----------------------------------------------
1:141 2:318 3:108 5:1141 8:81 12:73
13:95 14:378 15:59 16:62 17:333 18:75
20:28 23:882 24:594 25:2 27:479 31:571
32:2 34:3 35:51 36:2450 37:650 38:526
39:679 40:1 41:254 42:105 43:650 44:18
45:2364 46:793 47:60 49:205 50:339 51:136
52:257 54:62 57:28 58:252 59:483 60:102
61:774 62:590 63:128 64:369 65:178 66:337
67:296 68:71 69:260 70:38 71:77 72:225
74:219 75:66 76:63 77:509 78:481 79:261
80:248 81:345 82:410 83:193 84:205 85:489
86:128 87:331 88:109 89:492 90:121 91:1384
92:470 93:953 94:845 95:1549 96:273 97:145
98:74 99:45 101:470 102:108 103:7528 104:381
105:9 106:297 107:104 108:175 109:566 110:241
111:2162 112:1069 113:277 114:746 115:279 116:343
117:1236 118:308 119:229 120:1487 121:384 122:1722
123:391 124:316 125:1565 126:4 128:379 129:72
130:111 131:208 132:74 133:303 134:103 135:24
136:77 137:173 138:318 139:122 140:328 141:151
142:80 143:148 144:128 145:139 146:341 147:232
148:346 149:165 150:232 151:562 152:454 153:37
154:846 155:190 156:481 157:248 158:126 159:386
160:633 161:147 162:278 163:327 164:161 165:232
166:54 167:159 168:572 169:70 170:460 171:55
172:243 173:1000 174:123 175:581 176:736 177:510
178:723 179:167 180:418 181:159 182:1674 183:1213
184:140 185:2425 186:229 187:598 188:786 189:312
190:439 191:97 192:1777 193:1134 194:930 195:782
196:336 197:409 198:733 199:489 200:810 201:554
202:2383 203:1913 204:269 205:268 206:318 207:326
208:233 209:312 210:1348 211:1181 212:802 213:557
216:360 217:593 218:813 219:64 220:551 221:506
222:129 223:1408
End of report
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