[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 27 20:31:48 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Tue 27 May, 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: 158648
Prefixes after maximum aggregation (per Origin AS): 62287
Deaggregation factor: 2.55
Unique aggregates announced (without unneeded subnets): 89092
Number of IPv4 prefixes with a valid ROA: 87654
Number of IPv4 prefixes with an invalid ROA: 73
Number of IPv4 prefixes with no ROA: 70921
Total ASes present in the Internet Routing Table: 14479
Prefixes per ASN: 10.96
Origin-only ASes present in the Internet Routing Table: 12224
Origin ASes announcing only one prefix: 5920
Transit ASes present in the Internet Routing Table: 2255
Transit-only ASes present in the Internet Routing Table: 512
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: 70
Number of instances of unregistered ASNs: 70
Number of 32-bit ASNs allocated by the RIRs: 46522
Number of 32-bit ASNs visible in the Routing Table: 7212
Prefixes from 32-bit ASNs in the Routing Table: 29662
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: 41
Number of addresses announced to Internet: 497085184
Equivalent to 29 /8s, 160 /16s and 235 /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: 38838
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78174
Total APNIC prefixes after maximum aggregation: 24543
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 76436
Unique aggregates announced from the APNIC address blocks: 36099
APNIC Region origin ASes present in the Internet Routing Table: 4895
APNIC Prefixes per ASN: 15.62
APNIC Region origin ASes announcing only one prefix: 1800
APNIC Region transit ASes present in the Internet Routing Table: 742
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: 3188
Number of APNIC addresses announced to Internet: 183979008
Equivalent to 10 /8s, 247 /16s and 76 /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: 26815
Total ARIN prefixes after maximum aggregation: 14446
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 26347
Unique aggregates announced from the ARIN address blocks: 20369
ARIN Region origin ASes present in the Internet Routing Table: 2062
ARIN Prefixes per ASN: 12.78
ARIN Region origin ASes announcing only one prefix: 978
ARIN Region transit ASes present in the Internet Routing Table: 215
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: 465
Number of ARIN addresses announced to Internet: 163959552
Equivalent to 9 /8s, 197 /16s and 211 /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: 39576
Total RIPE prefixes after maximum aggregation: 18411
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40436
Unique aggregates announced from the RIPE address blocks: 25181
RIPE Region origin ASes present in the Internet Routing Table: 4644
RIPE Prefixes per ASN: 8.71
RIPE Region origin ASes announcing only one prefix: 2159
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: 1635
Number of RIPE addresses announced to Internet: 124997376
Equivalent to 7 /8s, 115 /16s and 79 /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: 12475
Total LACNIC prefixes after maximum aggregation: 4460
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 11962
Unique aggregates announced from the LACNIC address blocks: 5772
LACNIC Region origin ASes present in the Internet Routing Table: 2245
LACNIC Prefixes per ASN: 5.33
LACNIC Region origin ASes announcing only one prefix: 943
LACNIC Region transit ASes present in the Internet Routing Table: 495
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: 1874
Number of LACNIC addresses announced to Internet: 18125056
Equivalent to 1 /8s, 20 /16s and 145 /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: 1538
Total AfriNIC prefixes after maximum aggregation: 377
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 3426
Unique aggregates announced from the AfriNIC address blocks: 1639
AfriNIC Region origin ASes present in the Internet Routing Table: 101
AfriNIC Prefixes per ASN: 33.92
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 44
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 50
Number of AfriNIC addresses announced to Internet: 5998080
Equivalent to 0 /8s, 91 /16s and 134 /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 10863 8755 97 CHINAMOBILE-CN China Mobile Communication
9498 4225 500 291 BBIL-AP BHARTI Airtel Ltd., IN
24560 2870 853 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2150 1067 457 VIETEL-AS-AP Viettel Group, VN
4766 1980 6032 922 KIXS-AS-KR Korea Telecom, KR
56046 1862 812 180 CMNET-JIANGSU-AP China Mobile communicati
45609 1853 826 324 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1591 726 76 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 2419 335 660 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2261 3631 1299 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
11492 1933 134 1044 CABLEONE, US
714 1243 4391 8 APPLE-ENGINEERING, US
8075 758 16021 640 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 638 1880 300 TWC-10796-MIDWEST, US
12083 581 192 88 WOW-INTERNET, US
2152 403 46 269 CENIC-2152, US
33363 387 1424 214 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 2311 1999 782 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 891 623 325 SAUDINETSTC-AS, SA
49505 861 92 357 SELECTEL, RU
9123 637 40 285 TIMEWEB-AS, RU
50010 617 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 483 188 175 KAZTELECOM-AS, KZ
9155 428 37 9 QNET Kuwait, KW
21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
42772 373 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 2022 686 269 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 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 549 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
30999 74 25 32 EMTEL-AS-AP, MU
15399 71 6 26 WANANCHI-, KE
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 36 8 1 MAREN, MW
10798 29 2 23 SBICSA, ZA
6879 24 2 9 ENSTINET-, EG
328543 20 5 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 10863 8755 97 CHINAMOBILE-CN China Mobile Communication
9498 4225 500 291 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
24560 2870 853 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2419 335 660 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2311 1999 782 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2261 3631 1299 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
7552 2150 1067 457 VIETEL-AS-AP Viettel Group, VN
8151 2022 686 269 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 4225 3934 BBIL-AP BHARTI Airtel Ltd., IN
24560 2870 2340 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
30036 2419 1759 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 2022 1753 UNINET, MX
20115 2235 1722 CHARTER-20115, US
7552 2150 1693 VIETEL-AS-AP Viettel Group, VN
56046 1862 1682 CMNET-JIANGSU-AP China Mobile communications co
12389 2311 1529 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1853 1529 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
202528 UNALLOCATED 23.143.136.0/24 153371 BACKWAVESLIMITED-AS-AP
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
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 /14:160 /15:393 /16:2383 /17:1293 /18:2737
/19:4393 /20:7607 /21:9490 /22:17265 /23:16511 /24:96258
/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 2102 2419 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1404 2311 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1325 1933 CABLEONE, US
8151 1111 2022 UNINET, MX
49505 597 861 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 525 549 KENET-AS, KE
9123 517 637 TIMEWEB-AS, RU
50010 515 617 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 2:314 3:105 5:1100 8:79 12:79
13:90 14:393 15:58 16:63 17:326 18:74
20:28 23:712 24:594 25:2 27:611 31:541
32:2 34:3 35:37 36:1867 37:619 38:527
39:694 40:1 41:248 42:114 43:676 44:21
45:2300 46:759 47:64 49:210 50:317 51:138
52:259 54:62 57:28 58:278 59:458 60:95
61:781 62:549 63:129 64:349 65:283 66:298
67:296 68:78 69:265 70:48 71:81 72:246
74:210 75:65 76:62 77:481 78:453 79:244
80:229 81:338 82:360 83:186 84:216 85:369
86:115 87:312 88:96 89:475 90:135 91:1399
92:460 93:942 94:778 95:1478 96:266 97:146
98:68 99:47 101:484 102:96 103:7981 104:367
105:9 106:291 107:109 108:176 109:482 110:227
111:2114 112:974 113:300 114:825 115:383 116:432
117:1318 118:355 119:218 120:1316 121:426 122:1728
123:385 124:328 125:1607 126:6 128:382 129:65
130:122 131:195 132:51 133:302 134:141 135:25
136:78 137:168 138:332 139:223 140:322 141:190
142:79 143:165 144:135 145:137 146:372 147:217
148:355 149:193 150:215 151:521 152:450 153:37
154:908 155:195 156:466 157:286 158:127 159:396
160:635 161:146 162:272 163:318 164:145 165:230
166:39 167:193 168:592 169:70 170:489 171:192
172:235 173:978 174:122 175:564 176:719 177:490
178:686 179:196 180:471 181:129 182:1624 183:1126
184:136 185:2241 186:211 187:514 188:584 189:306
190:481 191:91 192:1770 193:1124 194:908 195:775
196:306 197:371 198:727 199:494 200:778 201:544
202:2450 203:2003 204:264 205:257 206:315 207:319
208:241 209:318 210:1383 211:1146 212:758 213:516
216:342 217:529 218:806 219:60 220:560 221:400
222:146 223:1196
End of report
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