[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 30 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 30 Apr, 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: 159080
Prefixes after maximum aggregation (per Origin AS): 63138
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 90141
Number of IPv4 prefixes with a valid ROA: 87599
Number of IPv4 prefixes with an invalid ROA: 90
Number of IPv4 prefixes with no ROA: 71391
Total ASes present in the Internet Routing Table: 14610
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 12384
Origin ASes announcing only one prefix: 5982
Transit ASes present in the Internet Routing Table: 2226
Transit-only ASes present in the Internet Routing Table: 500
Paths with bogon ASNs present in the IPv4 Routing Table: 3
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: 83
Number of instances of unregistered ASNs: 83
Number of 32-bit ASNs allocated by the RIRs: 46303
Number of 32-bit ASNs visible in the Routing Table: 7220
Prefixes from 32-bit ASNs in the Routing Table: 29470
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 68
Number of addresses announced to Internet: 505497344
Equivalent to 30 /8s, 33 /16s and 71 /24s
Percentage of available address space announced: 13.7
Percentage of allocated address space announced: 13.7
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: 39128
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78479
Total APNIC prefixes after maximum aggregation: 25374
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 76642
Unique aggregates announced from the APNIC address blocks: 37078
APNIC Region origin ASes present in the Internet Routing Table: 5020
APNIC Prefixes per ASN: 15.27
APNIC Region origin ASes announcing only one prefix: 1866
APNIC Region transit ASes present in the Internet Routing Table: 723
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: 3233
Number of APNIC addresses announced to Internet: 189189120
Equivalent to 11 /8s, 70 /16s and 204 /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: 27094
Total ARIN prefixes after maximum aggregation: 14624
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26709
Unique aggregates announced from the ARIN address blocks: 20556
ARIN Region origin ASes present in the Internet Routing Table: 2131
ARIN Prefixes per ASN: 12.53
ARIN Region origin ASes announcing only one prefix: 1005
ARIN Region transit ASes present in the Internet Routing Table: 218
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: 468
Number of ARIN addresses announced to Internet: 166877440
Equivalent to 9 /8s, 242 /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: 39533
Total RIPE prefixes after maximum aggregation: 18300
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 40464
Unique aggregates announced from the RIPE address blocks: 25088
RIPE Region origin ASes present in the Internet Routing Table: 4607
RIPE Prefixes per ASN: 8.78
RIPE Region origin ASes announcing only one prefix: 2124
RIPE Region transit ASes present in the Internet Routing Table: 664
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: 1602
Number of RIPE addresses announced to Internet: 124987136
Equivalent to 7 /8s, 115 /16s and 39 /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: 12074
Total LACNIC prefixes after maximum aggregation: 4321
LACNIC Deaggregation factor: 2.79
Prefixes being announced from the LACNIC address blocks: 11511
Unique aggregates announced from the LACNIC address blocks: 5536
LACNIC Region origin ASes present in the Internet Routing Table: 2205
LACNIC Prefixes per ASN: 5.22
LACNIC Region origin ASes announcing only one prefix: 940
LACNIC Region transit ASes present in the Internet Routing Table: 484
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1852
Number of LACNIC addresses announced to Internet: 18212608
Equivalent to 1 /8s, 21 /16s and 231 /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: 1817
Total AfriNIC prefixes after maximum aggregation: 459
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 3686
Unique aggregates announced from the AfriNIC address blocks: 1847
AfriNIC Region origin ASes present in the Internet Routing Table: 124
AfriNIC Prefixes per ASN: 29.73
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 7.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 65
Number of AfriNIC addresses announced to Internet: 6199552
Equivalent to 0 /8s, 94 /16s and 153 /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 10276 8754 92 CHINAMOBILE-CN China Mobile Communication
9498 4176 498 269 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2032 6035 956 KIXS-AS-KR Korea Telecom, KR
45609 1853 828 322 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1630 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1574 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication
9919 968 170 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 2411 335 672 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2232 3628 1274 AMAZON-02, US
11492 1902 132 1040 CABLEONE, US
714 1227 4391 8 APPLE-ENGINEERING, US
8075 750 16020 634 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 575 192 88 WOW-INTERNET, US
2152 396 44 265 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 4179 255 52 ALJAWWALSTC-AS, SA
12389 2306 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 914 639 327 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
9123 621 39 277 TIMEWEB-AS, RU
50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 480 180 178 KAZTELECOM-AS, KZ
9155 425 37 9 QNET Kuwait, KW
21299 423 77 60 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 1856 676 242 UNINET, MX
7738 592 1767 64 V tal, BR
8167 342 1089 44 V tal, BR
1916 240 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 217 16 28 Companhia Itabirana Telecomunicacoes Ltda
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11014 128 10 26 CPS, AR
11340 110 25 52 Red Universitaria Nacional, CL
19089 107 18 45 Scala Data Centers, BR
262287 98 13 74 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 544 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 200 83 32 VNL1-AS, NG
15399 95 8 44 WANANCHI-, KE
30999 74 25 32 EMTEL-AS-AP, MU
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
328543 24 5 6 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 10276 8754 92 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4176 498 269 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2411 335 672 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2306 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2235 3097 506 CHARTER-20115, US
16509 2232 3628 1274 AMAZON-02, US
4766 2032 6035 956 KIXS-AS-KR Korea Telecom, KR
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 4179 4127 ALJAWWALSTC-AS, SA
9498 4176 3907 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 2324 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2256 1802 VIETEL-AS-AP Viettel Group, VN
30036 2411 1739 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1729 CHARTER-20115, US
8151 1856 1614 UNINET, MX
45609 1853 1531 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2306 1526 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
56041 1574 1500 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
393377 UNALLOCATED 12.195.116.0/24 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
36288 UNALLOCATED 64.79.154.0/24 293 ESNET, US
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US
396324 UNALLOCATED 66.57.112.0/24 11426 TWC-11426-CAROLINAS, 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 /14:167 /15:397 /16:2478 /17:1333 /18:2811
/19:4415 /20:7633 /21:9452 /22:17316 /23:16580 /24:96339
/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 4179 ALJAWWALSTC-AS, SA
30036 2095 2411 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1401 2306 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1322 1902 CABLEONE, US
8151 1025 1856 UNINET, MX
49505 595 859 SELECTEL, RU
20115 551 2235 CHARTER-20115, US
36914 520 544 KENET-AS, KE
50010 514 616 NAWRAS-AS Sultanate of Oman, OM
9123 504 621 TIMEWEB-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:199 2:321 3:102 5:1089 8:63 12:81
13:87 14:377 15:58 16:63 17:316 18:72
20:28 23:715 24:593 25:2 27:619 31:524
32:2 34:3 35:37 36:1431 37:653 38:520
39:700 40:1 41:247 42:144 43:676 44:21
45:2331 46:786 47:63 49:207 50:318 51:138
52:257 54:62 57:28 58:301 59:452 60:95
61:814 62:552 63:132 64:379 65:286 66:305
67:311 68:70 69:287 70:32 71:82 72:247
74:197 75:65 76:61 77:484 78:453 79:239
80:223 81:340 82:355 83:192 84:183 85:375
86:126 87:310 88:99 89:461 90:133 91:1390
92:447 93:931 94:780 95:1470 96:266 97:146
98:68 99:47 101:465 102:148 103:8097 104:361
105:181 106:287 107:107 108:142 109:463 110:231
111:2100 112:928 113:314 114:815 115:309 116:415
117:1387 118:440 119:257 120:1241 121:418 122:1753
123:457 124:330 125:1585 126:6 128:400 129:66
130:132 131:207 132:46 133:302 134:161 135:24
136:92 137:168 138:309 139:224 140:313 141:183
142:77 143:160 144:121 145:135 146:374 147:256
148:196 149:196 150:265 151:517 152:454 153:37
154:970 155:190 156:481 157:282 158:127 159:394
160:684 161:147 162:277 163:306 164:143 165:219
166:44 167:191 168:336 169:74 170:456 171:197
172:213 173:973 174:119 175:568 176:720 177:540
178:693 179:187 180:460 181:137 182:1581 183:1065
184:138 185:2255 186:207 187:465 188:593 189:297
190:468 191:94 192:1842 193:1123 194:914 195:765
196:286 197:406 198:779 199:555 200:786 201:528
202:2463 203:2252 204:292 205:265 206:304 207:318
208:240 209:312 210:1470 211:1147 212:765 213:514
214:2 216:367 217:561 218:807 219:65 220:567
221:359 222:135 223:1087
End of report
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