[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 3 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sat 03 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: 157233
Prefixes after maximum aggregation (per Origin AS): 62149
Deaggregation factor: 2.53
Unique aggregates announced (without unneeded subnets): 88923
Number of IPv4 prefixes with a valid ROA: 86991
Number of IPv4 prefixes with an invalid ROA: 71
Number of IPv4 prefixes with no ROA: 70171
Total ASes present in the Internet Routing Table: 14374
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 12154
Origin ASes announcing only one prefix: 5874
Transit ASes present in the Internet Routing Table: 2220
Transit-only ASes present in the Internet Routing Table: 512
Paths with bogon ASNs present in the IPv4 Routing Table: 4
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 47
Max AS path prepend of ASN (212940) 40
Prefixes from unregistered ASNs in the Routing Table: 83
Number of instances of unregistered ASNs: 84
Number of 32-bit ASNs allocated by the RIRs: 46319
Number of 32-bit ASNs visible in the Routing Table: 7143
Prefixes from 32-bit ASNs in the Routing Table: 29171
Number of bogon 32-bit ASNs visible in the Routing Table: 8
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 67
Number of addresses announced to Internet: 497683456
Equivalent to 29 /8s, 170 /16s and 12 /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: 38903
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77283
Total APNIC prefixes after maximum aggregation: 24712
APNIC Deaggregation factor: 3.13
Prefixes being announced from the APNIC address blocks: 75537
Unique aggregates announced from the APNIC address blocks: 36329
APNIC Region origin ASes present in the Internet Routing Table: 4854
APNIC Prefixes per ASN: 15.56
APNIC Region origin ASes announcing only one prefix: 1783
APNIC Region transit ASes present in the Internet Routing Table: 718
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 47
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3161
Number of APNIC addresses announced to Internet: 184452864
Equivalent to 10 /8s, 254 /16s and 135 /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: 26681
Total ARIN prefixes after maximum aggregation: 14326
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 26278
Unique aggregates announced from the ARIN address blocks: 20182
ARIN Region origin ASes present in the Internet Routing Table: 2057
ARIN Prefixes per ASN: 12.77
ARIN Region origin ASes announcing only one prefix: 982
ARIN Region transit ASes present in the Internet Routing Table: 216
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 44
Number of ARIN region 32-bit ASNs visible in the Routing Table: 457
Number of ARIN addresses announced to Internet: 164051712
Equivalent to 9 /8s, 199 /16s and 59 /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: 39416
Total RIPE prefixes after maximum aggregation: 18271
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 40306
Unique aggregates announced from the RIPE address blocks: 25024
RIPE Region origin ASes present in the Internet Routing Table: 4599
RIPE Prefixes per ASN: 8.76
RIPE Region origin ASes announcing only one prefix: 2123
RIPE Region transit ASes present in the Internet Routing Table: 658
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: 1597
Number of RIPE addresses announced to Internet: 124866816
Equivalent to 7 /8s, 113 /16s and 81 /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: 11958
Total LACNIC prefixes after maximum aggregation: 4322
LACNIC Deaggregation factor: 2.77
Prefixes being announced from the LACNIC address blocks: 11388
Unique aggregates announced from the LACNIC address blocks: 5529
LACNIC Region origin ASes present in the Internet Routing Table: 2204
LACNIC Prefixes per ASN: 5.17
LACNIC Region origin ASes announcing only one prefix: 937
LACNIC Region transit ASes present in the Internet Routing Table: 488
Average LACNIC Region AS path length visible: 7.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1857
Number of LACNIC addresses announced to Internet: 18087424
Equivalent to 1 /8s, 19 /16s and 254 /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: 1812
Total AfriNIC prefixes after maximum aggregation: 458
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 3657
Unique aggregates announced from the AfriNIC address blocks: 1824
AfriNIC Region origin ASes present in the Internet Routing Table: 125
AfriNIC Prefixes per ASN: 29.26
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 7.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 71
Number of AfriNIC addresses announced to Internet: 6192640
Equivalent to 0 /8s, 94 /16s and 126 /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 4177 498 268 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 2033 6035 954 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 970 170 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 2416 336 669 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2237 3097 507 CHARTER-20115, US
16509 2227 3628 1267 AMAZON-02, US
11492 1911 133 1042 CABLEONE, US
714 1228 4391 8 APPLE-ENGINEERING, US
8075 751 16020 634 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 577 192 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 913 639 327 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 1851 675 244 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 109 9 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 550 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 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
37531 22 2 18 AIRTEL-NIGER, NE
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 4177 498 268 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2416 336 669 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2306 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2237 3097 507 CHARTER-20115, US
16509 2227 3628 1267 AMAZON-02, US
4766 2033 6035 954 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 4177 3909 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 2416 1747 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2237 1730 CHARTER-20115, US
8151 1851 1607 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
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
102.219.4.0/22 Origin: 328932 RESERVED, ZZ
102.219.4.0/22 Transit: 36873 VNL1-AS, NG
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
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 /14:165 /15:395 /16:2392 /17:1317 /18:2790
/19:4382 /20:7530 /21:9395 /22:17170 /23:16272 /24:95267
/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 4179 ALJAWWALSTC-AS, SA
30036 2100 2416 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1401 2306 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1324 1911 CABLEONE, US
8151 1021 1851 UNINET, MX
49505 595 859 SELECTEL, RU
20115 553 2237 CHARTER-20115, US
36914 526 550 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)
----------------------------------------------
1:195 2:321 3:103 5:1084 8:63 12:81
13:86 14:376 15:58 16:63 17:316 18:72
20:28 23:717 24:592 25:2 27:619 31:524
32:2 34:3 35:37 36:1429 37:641 38:515
39:700 40:1 41:248 42:143 43:670 44:21
45:2333 46:787 47:64 49:208 50:319 51:138
52:258 54:62 57:28 58:301 59:450 60:95
61:796 62:554 63:127 64:371 65:285 66:304
67:310 68:71 69:270 70:32 71:83 72:247
74:197 75:66 76:62 77:482 78:453 79:239
80:226 81:341 82:354 83:193 84:184 85:372
86:126 87:309 88:100 89:458 90:133 91:1387
92:449 93:931 94:781 95:1468 96:266 97:146
98:68 99:47 101:466 102:138 103:8023 104:362
105:179 106:287 107:107 108:142 109:461 110:231
111:2099 112:928 113:315 114:806 115:308 116:411
117:1322 118:440 119:258 120:1241 121:417 122:1754
123:447 124:330 125:1583 126:6 128:396 129:67
130:122 131:178 132:49 133:303 134:135 135:24
136:78 137:168 138:315 139:223 140:314 141:184
142:75 143:161 144:121 145:135 146:372 147:252
148:196 149:200 150:257 151:517 152:450 153:37
154:940 155:188 156:461 157:280 158:126 159:394
160:675 161:150 162:269 163:307 164:143 165:219
166:44 167:191 168:333 169:75 170:462 171:197
172:216 173:971 174:119 175:565 176:723 177:490
178:690 179:181 180:465 181:136 182:1583 183:1063
184:138 185:2245 186:212 187:460 188:592 189:299
190:467 191:90 192:1726 193:1128 194:912 195:764
196:287 197:412 198:718 199:500 200:776 201:509
202:2461 203:2060 204:265 205:264 206:306 207:319
208:237 209:313 210:1366 211:1145 212:758 213:510
214:2 216:370 217:565 218:798 219:66 220:559
221:359 222:134 223:1088
End of report
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