[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 4 20:31:57 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sun 04 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: 158532
Prefixes after maximum aggregation (per Origin AS): 63049
Deaggregation factor: 2.51
Unique aggregates announced (without unneeded subnets): 89978
Number of IPv4 prefixes with a valid ROA: 87240
Number of IPv4 prefixes with an invalid ROA: 76
Number of IPv4 prefixes with no ROA: 71216
Total ASes present in the Internet Routing Table: 14599
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 12356
Origin ASes announcing only one prefix: 5970
Transit ASes present in the Internet Routing Table: 2243
Transit-only ASes present in the Internet Routing Table: 511
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: 87
Number of instances of unregistered ASNs: 88
Number of 32-bit ASNs allocated by the RIRs: 46334
Number of 32-bit ASNs visible in the Routing Table: 7219
Prefixes from 32-bit ASNs in the Routing Table: 29321
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: 68
Number of addresses announced to Internet: 505873152
Equivalent to 30 /8s, 39 /16s and 3 /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: 38954
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78127
Total APNIC prefixes after maximum aggregation: 25261
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 76378
Unique aggregates announced from the APNIC address blocks: 37010
APNIC Region origin ASes present in the Internet Routing Table: 4993
APNIC Prefixes per ASN: 15.30
APNIC Region origin ASes announcing only one prefix: 1847
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 3222
Number of APNIC addresses announced to Internet: 188923648
Equivalent to 11 /8s, 66 /16s and 191 /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: 27053
Total ARIN prefixes after maximum aggregation: 14630
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26647
Unique aggregates announced from the ARIN address blocks: 20512
ARIN Region origin ASes present in the Internet Routing Table: 2124
ARIN Prefixes per ASN: 12.55
ARIN Region origin ASes announcing only one prefix: 1002
ARIN Region transit ASes present in the Internet Routing Table: 220
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 44
Number of ARIN region 32-bit ASNs visible in the Routing Table: 463
Number of ARIN addresses announced to Internet: 167746816
Equivalent to 9 /8s, 255 /16s and 157 /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: 39377
Total RIPE prefixes after maximum aggregation: 18280
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40268
Unique aggregates announced from the RIPE address blocks: 25031
RIPE Region origin ASes present in the Internet Routing Table: 4606
RIPE Prefixes per ASN: 8.74
RIPE Region origin ASes announcing only one prefix: 2128
RIPE Region transit ASes present in the Internet Routing Table: 662
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: 1603
Number of RIPE addresses announced to Internet: 124875008
Equivalent to 7 /8s, 113 /16s and 113 /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: 12051
Total LACNIC prefixes after maximum aggregation: 4358
LACNIC Deaggregation factor: 2.77
Prefixes being announced from the LACNIC address blocks: 11488
Unique aggregates announced from the LACNIC address blocks: 5566
LACNIC Region origin ASes present in the Internet Routing Table: 2215
LACNIC Prefixes per ASN: 5.19
LACNIC Region origin ASes announcing only one prefix: 945
LACNIC Region transit ASes present in the Internet Routing Table: 488
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1863
Number of LACNIC addresses announced to Internet: 18112768
Equivalent to 1 /8s, 20 /16s and 97 /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: 1837
Total AfriNIC prefixes after maximum aggregation: 458
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 3683
Unique aggregates announced from the AfriNIC address blocks: 1823
AfriNIC Region origin ASes present in the Internet Routing Table: 125
AfriNIC Prefixes per ASN: 29.46
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 7.6
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 68
Number of AfriNIC addresses announced to Internet: 6182656
Equivalent to 0 /8s, 94 /16s and 87 /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 2032 6035 953 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 2229 3628 1269 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 912 639 326 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 1852 675 245 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 25 51 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 546 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
37233 33 2 1 ORANGE-NIGER, NE
6879 24 2 9 ENSTINET-, EG
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 2229 3628 1269 AMAZON-02, US
4766 2032 6035 953 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 1852 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
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
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 /14:167 /15:397 /16:2487 /17:1331 /18:2808
/19:4425 /20:7579 /21:9452 /22:17278 /23:16419 /24:96030
/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 2100 2416 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1401 2306 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1324 1911 CABLEONE, US
8151 1022 1852 UNINET, MX
49505 595 859 SELECTEL, RU
20115 553 2237 CHARTER-20115, US
36914 522 546 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)
----------------------------------------------
1:197 2:321 3:103 5:1085 8:63 12:81
13:86 14:376 15:58 16:63 17:316 18:72
20:28 23:718 24:592 25:2 27:620 31:524
32:2 34:3 35:37 36:1427 37:642 38:513
39:700 40:1 41:267 42:144 43:671 44:21
45:2334 46:788 47:64 49:208 50:319 51:138
52:258 54:62 57:28 58:301 59:450 60:95
61:779 62:554 63:127 64:373 65:286 66:301
67:311 68:71 69:270 70:32 71:83 72:247
74:197 75:66 76:61 77:481 78:451 79:239
80:226 81:342 82:350 83:192 84:184 85:372
86:126 87:309 88:100 89:458 90:133 91:1377
92:449 93:930 94:775 95:1468 96:266 97:146
98:68 99:47 101:458 102:139 103:8056 104:362
105:179 106:287 107:108 108:142 109:458 110:232
111:2100 112:928 113:315 114:815 115:308 116:409
117:1382 118:427 119:257 120:1241 121:417 122:1753
123:455 124:330 125:1585 126:6 128:400 129:68
130:129 131:198 132:50 133:303 134:163 135:24
136:78 137:168 138:314 139:223 140:317 141:185
142:77 143:161 144:120 145:135 146:371 147:255
148:196 149:200 150:264 151:517 152:453 153:37
154:943 155:189 156:467 157:280 158:127 159:394
160:670 161:150 162:270 163:301 164:146 165:219
166:44 167:190 168:334 169:75 170:459 171:197
172:216 173:971 174:119 175:567 176:722 177:493
178:692 179:186 180:468 181:137 182:1582 183:1062
184:137 185:2235 186:220 187:466 188:593 189:302
190:467 191:90 192:1853 193:1125 194:907 195:754
196:286 197:408 198:762 199:557 200:789 201:517
202:2495 203:2255 204:285 205:269 206:307 207:319
208:240 209:313 210:1462 211:1146 212:758 213:511
214:2 216:369 217:565 218:800 219:66 220:568
221:359 222:135 223:1088
End of report
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