[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 20 20:31:50 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Tue 20 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: 159803
Prefixes after maximum aggregation (per Origin AS): 63222
Deaggregation factor: 2.53
Unique aggregates announced (without unneeded subnets): 89999
Number of IPv4 prefixes with a valid ROA: 87625
Number of IPv4 prefixes with an invalid ROA: 70
Number of IPv4 prefixes with no ROA: 72108
Total ASes present in the Internet Routing Table: 14600
Prefixes per ASN: 10.95
Origin-only ASes present in the Internet Routing Table: 12350
Origin ASes announcing only one prefix: 5956
Transit ASes present in the Internet Routing Table: 2250
Transit-only ASes present in the Internet Routing Table: 518
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: 46463
Number of 32-bit ASNs visible in the Routing Table: 7192
Prefixes from 32-bit ASNs in the Routing Table: 29357
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: 506229760
Equivalent to 30 /8s, 44 /16s and 116 /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: 39046
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78812
Total APNIC prefixes after maximum aggregation: 25182
APNIC Deaggregation factor: 3.13
Prefixes being announced from the APNIC address blocks: 77138
Unique aggregates announced from the APNIC address blocks: 36724
APNIC Region origin ASes present in the Internet Routing Table: 5022
APNIC Prefixes per ASN: 15.36
APNIC Region origin ASes announcing only one prefix: 1870
APNIC Region transit ASes present in the Internet Routing Table: 750
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: 3219
Number of APNIC addresses announced to Internet: 189298432
Equivalent to 11 /8s, 72 /16s and 119 /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: 27114
Total ARIN prefixes after maximum aggregation: 14755
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26669
Unique aggregates announced from the ARIN address blocks: 20654
ARIN Region origin ASes present in the Internet Routing Table: 2119
ARIN Prefixes per ASN: 12.59
ARIN Region origin ASes announcing only one prefix: 989
ARIN Region transit ASes present in the Internet Routing Table: 216
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: 466
Number of ARIN addresses announced to Internet: 167416832
Equivalent to 9 /8s, 250 /16s and 148 /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: 39919
Total RIPE prefixes after maximum aggregation: 18434
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 40756
Unique aggregates announced from the RIPE address blocks: 25198
RIPE Region origin ASes present in the Internet Routing Table: 4619
RIPE Prefixes per ASN: 8.82
RIPE Region origin ASes announcing only one prefix: 2139
RIPE Region transit ASes present in the Internet Routing Table: 669
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: 1620
Number of RIPE addresses announced to Internet: 125313536
Equivalent to 7 /8s, 120 /16s and 34 /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: 12326
Total LACNIC prefixes after maximum aggregation: 4419
LACNIC Deaggregation factor: 2.79
Prefixes being announced from the LACNIC address blocks: 11759
Unique aggregates announced from the LACNIC address blocks: 5714
LACNIC Region origin ASes present in the Internet Routing Table: 2198
LACNIC Prefixes per ASN: 5.35
LACNIC Region origin ASes announcing only one prefix: 919
LACNIC Region transit ASes present in the Internet Routing Table: 485
Average LACNIC Region AS path length visible: 7.5
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1835
Number of LACNIC addresses announced to Internet: 18242304
Equivalent to 1 /8s, 22 /16s and 91 /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: 1562
Total AfriNIC prefixes after maximum aggregation: 382
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 3440
Unique aggregates announced from the AfriNIC address blocks: 1679
AfriNIC Region origin ASes present in the Internet Routing Table: 104
AfriNIC Prefixes per ASN: 33.08
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 7.1
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 52
Number of AfriNIC addresses announced to Internet: 5928704
Equivalent to 0 /8s, 90 /16s and 119 /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 10915 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4224 500 292 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2138 1078 454 VIETEL-AS-AP Viettel Group, VN
4766 1937 6014 940 KIXS-AS-KR Korea Telecom, KR
45609 1849 824 323 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1844 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1591 726 76 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 192 53 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 2415 334 668 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2238 3629 1283 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
11492 1926 134 1045 CABLEONE, US
714 1236 4391 8 APPLE-ENGINEERING, US
8075 756 16021 638 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 638 1880 300 TWC-10796-MIDWEST, US
12083 580 192 88 WOW-INTERNET, US
2152 396 44 265 CENIC-2152, US
33363 386 1422 213 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 2308 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 923 640 341 SAUDINETSTC-AS, SA
49505 861 92 357 SELECTEL, RU
9123 633 40 282 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
51375 386 43 14 VIVA, BH
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 1967 682 261 UNINET, MX
7738 571 1703 62 V tal, BR
8167 342 1089 44 V tal, BR
1916 242 177 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 127 10 26 CPS, AR
11340 110 25 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 556 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 19 5 4 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 10915 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4224 500 292 BBIL-AP BHARTI Airtel Ltd., IN
39891 4179 255 52 ALJAWWALSTC-AS, SA
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2415 334 668 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2308 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2238 3629 1283 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
7552 2138 1078 454 VIETEL-AS-AP Viettel Group, VN
8151 1967 682 261 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 4179 4127 ALJAWWALSTC-AS, SA
9498 4224 3932 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 2331 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
30036 2415 1747 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1722 CHARTER-20115, US
8151 1967 1706 UNINET, MX
7552 2138 1684 VIETEL-AS-AP Viettel Group, VN
56046 1844 1664 CMNET-JIANGSU-AP China Mobile communications co
12389 2308 1527 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 /14:166 /15:397 /16:2481 /17:1346 /18:2809
/19:4431 /20:7649 /21:9486 /22:17246 /23:16462 /24:97171
/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 2099 2415 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1404 2308 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1325 1926 CABLEONE, US
8151 1086 1967 UNINET, MX
49505 597 861 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 532 556 KENET-AS, KE
9123 515 633 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 2:321 3:104 5:1096 8:79 12:78
13:89 14:381 15:58 16:63 17:324 18:74
20:28 23:703 24:595 25:2 27:620 31:528
32:2 34:3 35:37 36:1869 37:699 38:529
39:705 40:1 41:263 42:116 43:673 44:23
45:2442 46:838 47:63 49:257 50:321 51:138
52:259 54:62 57:28 58:267 59:431 60:95
61:780 62:556 63:129 64:349 65:284 66:300
67:292 68:72 69:262 70:30 71:84 72:229
74:198 75:65 76:62 77:482 78:454 79:240
80:222 81:346 82:346 83:183 84:186 85:369
86:114 87:317 88:99 89:464 90:134 91:1398
92:449 93:939 94:820 95:1477 96:265 97:146
98:68 99:47 101:459 102:121 103:7990 104:370
105:9 106:290 107:159 108:146 109:545 110:228
111:2161 112:965 113:300 114:827 115:320 116:417
117:1374 118:348 119:244 120:1311 121:414 122:1716
123:394 124:329 125:1584 126:6 128:382 129:67
130:126 131:206 132:53 133:302 134:163 135:24
136:79 137:169 138:318 139:219 140:322 141:191
142:76 143:162 144:130 145:137 146:372 147:233
148:357 149:199 150:226 151:521 152:453 153:37
154:922 155:190 156:463 157:290 158:128 159:395
160:657 161:142 162:272 163:306 164:141 165:221
166:44 167:188 168:592 169:68 170:465 171:192
172:225 173:976 174:119 175:553 176:728 177:504
178:689 179:176 180:470 181:128 182:1620 183:1148
184:138 185:2229 186:221 187:500 188:604 189:310
190:469 191:90 192:1847 193:1124 194:906 195:775
196:308 197:377 198:770 199:557 200:804 201:534
202:2500 203:2214 204:288 205:261 206:301 207:319
208:242 209:312 210:1477 211:1174 212:760 213:516
214:2 216:349 217:554 218:805 219:64 220:558
221:404 222:131 223:1130
End of report
More information about the ren-bgp-stats-all
mailing list