[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 26 20:31:40 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Mon 26 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: 159952
Prefixes after maximum aggregation (per Origin AS): 63322
Deaggregation factor: 2.53
Unique aggregates announced (without unneeded subnets): 90228
Number of IPv4 prefixes with a valid ROA: 88068
Number of IPv4 prefixes with an invalid ROA: 79
Number of IPv4 prefixes with no ROA: 71805
Total ASes present in the Internet Routing Table: 14726
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 12451
Origin ASes announcing only one prefix: 6038
Transit ASes present in the Internet Routing Table: 2275
Transit-only ASes present in the Internet Routing Table: 519
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: 46520
Number of 32-bit ASNs visible in the Routing Table: 7311
Prefixes from 32-bit ASNs in the Routing Table: 29657
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: 42
Number of addresses announced to Internet: 505190912
Equivalent to 30 /8s, 28 /16s and 154 /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: 39044
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78879
Total APNIC prefixes after maximum aggregation: 25105
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 77200
Unique aggregates announced from the APNIC address blocks: 36763
APNIC Region origin ASes present in the Internet Routing Table: 5041
APNIC Prefixes per ASN: 15.31
APNIC Region origin ASes announcing only one prefix: 1872
APNIC Region transit ASes present in the Internet Routing Table: 748
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: 3248
Number of APNIC addresses announced to Internet: 188427520
Equivalent to 11 /8s, 59 /16s and 45 /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: 27167
Total ARIN prefixes after maximum aggregation: 14742
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26638
Unique aggregates announced from the ARIN address blocks: 20628
ARIN Region origin ASes present in the Internet Routing Table: 2134
ARIN Prefixes per ASN: 12.48
ARIN Region origin ASes announcing only one prefix: 1002
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: 474
Number of ARIN addresses announced to Internet: 166896384
Equivalent to 9 /8s, 242 /16s and 163 /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: 39850
Total RIPE prefixes after maximum aggregation: 18591
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 40696
Unique aggregates announced from the RIPE address blocks: 25414
RIPE Region origin ASes present in the Internet Routing Table: 4629
RIPE Prefixes per ASN: 8.79
RIPE Region origin ASes announcing only one prefix: 2148
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: 1625
Number of RIPE addresses announced to Internet: 125613568
Equivalent to 7 /8s, 124 /16s and 182 /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: 12446
Total LACNIC prefixes after maximum aggregation: 4457
LACNIC Deaggregation factor: 2.79
Prefixes being announced from the LACNIC address blocks: 11939
Unique aggregates announced from the LACNIC address blocks: 5737
LACNIC Region origin ASes present in the Internet Routing Table: 2281
LACNIC Prefixes per ASN: 5.23
LACNIC Region origin ASes announcing only one prefix: 975
LACNIC Region transit ASes present in the Internet Routing Table: 501
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1912
Number of LACNIC addresses announced to Internet: 18223104
Equivalent to 1 /8s, 22 /16s and 16 /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: 1540
Total AfriNIC prefixes after maximum aggregation: 377
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 3437
Unique aggregates announced from the AfriNIC address blocks: 1653
AfriNIC Region origin ASes present in the Internet Routing Table: 102
AfriNIC Prefixes per ASN: 33.70
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 7.2
Max AfriNIC Region AS path length visible: 44
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 52
Number of AfriNIC addresses announced to Internet: 6003968
Equivalent to 0 /8s, 91 /16s and 157 /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 10849 8755 97 CHINAMOBILE-CN China Mobile Communication
9498 4223 500 290 BBIL-AP BHARTI Airtel Ltd., IN
24560 2868 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2139 1066 462 VIETEL-AS-AP Viettel Group, VN
4766 1982 6032 921 KIXS-AS-KR Korea Telecom, KR
56046 1855 812 180 CMNET-JIANGSU-AP China Mobile communicati
45609 1849 824 323 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1591 726 76 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1482 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 2240 3629 1284 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
11492 1933 134 1044 CABLEONE, US
714 1241 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 919 639 339 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 2023 686 270 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
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
262287 87 12 73 Latitude.sh LTDA, 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 552 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
327885 21 4 3 Viettel-Tanzania, TZ
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 10849 8755 97 CHINAMOBILE-CN China Mobile Communication
9498 4223 500 290 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
24560 2868 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2419 335 660 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2311 1999 782 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2240 3629 1284 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
7552 2139 1066 462 VIETEL-AS-AP Viettel Group, VN
8151 2023 686 270 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 4223 3933 BBIL-AP BHARTI Airtel Ltd., IN
24560 2868 2333 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
30036 2419 1759 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 2023 1753 UNINET, MX
20115 2235 1722 CHARTER-20115, US
7552 2139 1677 VIETEL-AS-AP Viettel Group, VN
56046 1855 1675 CMNET-JIANGSU-AP China Mobile communications co
12389 2311 1529 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1849 1526 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 /14:162 /15:395 /16:2468 /17:1310 /18:2761
/19:4440 /20:7723 /21:9566 /22:17380 /23:16605 /24:96983
/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 2102 2419 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1404 2311 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1325 1933 CABLEONE, US
8151 1111 2023 UNINET, MX
49505 597 861 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 528 552 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)
----------------------------------------------
1:163 2:325 3:105 5:1101 8:79 12:79
13:90 14:393 15:58 16:63 17:325 18:74
20:28 23:714 24:594 25:2 27:610 31:532
32:2 34:3 35:37 36:1889 37:630 38:524
39:694 40:1 41:248 42:115 43:671 44:22
45:2335 46:789 47:64 49:210 50:319 51:138
52:259 54:62 57:28 58:261 59:458 60:95
61:782 62:552 63:129 64:348 65:283 66:299
67:296 68:78 69:265 70:48 71:82 72:246
74:208 75:65 76:62 77:488 78:460 79:240
80:225 81:344 82:360 83:184 84:185 85:374
86:115 87:312 88:98 89:476 90:135 91:1403
92:454 93:942 94:786 95:1474 96:266 97:146
98:68 99:47 101:484 102:105 103:7990 104:370
105:9 106:291 107:109 108:150 109:462 110:227
111:2109 112:974 113:300 114:834 115:382 116:426
117:1380 118:345 119:221 120:1315 121:427 122:1726
123:392 124:329 125:1586 126:6 128:382 129:64
130:127 131:212 132:51 133:302 134:163 135:24
136:78 137:166 138:335 139:221 140:324 141:194
142:81 143:167 144:129 145:137 146:374 147:228
148:194 149:178 150:223 151:522 152:453 153:37
154:902 155:196 156:471 157:287 158:128 159:396
160:645 161:144 162:273 163:312 164:144 165:225
166:45 167:192 168:600 169:69 170:492 171:192
172:232 173:977 174:121 175:570 176:724 177:530
178:686 179:199 180:468 181:128 182:1621 183:1113
184:139 185:2248 186:219 187:520 188:598 189:306
190:490 191:95 192:1857 193:1123 194:910 195:777
196:308 197:373 198:772 199:554 200:793 201:553
202:2499 203:2221 204:286 205:260 206:317 207:320
208:244 209:315 210:1479 211:1148 212:758 213:515
216:347 217:554 218:807 219:60 220:569 221:400
222:148 223:1190
End of report
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