[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 14 20:31:56 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 14 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: 158069
Prefixes after maximum aggregation (per Origin AS): 62486
Deaggregation factor: 2.53
Unique aggregates announced (without unneeded subnets): 88812
Number of IPv4 prefixes with a valid ROA: 86348
Number of IPv4 prefixes with an invalid ROA: 75
Number of IPv4 prefixes with no ROA: 71646
Total ASes present in the Internet Routing Table: 14615
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 12351
Origin ASes announcing only one prefix: 6034
Transit ASes present in the Internet Routing Table: 2264
Transit-only ASes present in the Internet Routing Table: 525
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: 77
Number of instances of unregistered ASNs: 77
Number of 32-bit ASNs allocated by the RIRs: 46395
Number of 32-bit ASNs visible in the Routing Table: 7265
Prefixes from 32-bit ASNs in the Routing Table: 29064
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: 62
Number of addresses announced to Internet: 504107776
Equivalent to 30 /8s, 12 /16s and 19 /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: 38070
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79143
Total APNIC prefixes after maximum aggregation: 25149
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 76779
Unique aggregates announced from the APNIC address blocks: 36847
APNIC Region origin ASes present in the Internet Routing Table: 5077
APNIC Prefixes per ASN: 15.12
APNIC Region origin ASes announcing only one prefix: 1950
APNIC Region transit ASes present in the Internet Routing Table: 747
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: 3280
Number of APNIC addresses announced to Internet: 188925696
Equivalent to 11 /8s, 66 /16s and 199 /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: 26322
Total ARIN prefixes after maximum aggregation: 14378
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 25852
Unique aggregates announced from the ARIN address blocks: 19908
ARIN Region origin ASes present in the Internet Routing Table: 2086
ARIN Prefixes per ASN: 12.39
ARIN Region origin ASes announcing only one prefix: 997
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: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 455
Number of ARIN addresses announced to Internet: 166883328
Equivalent to 9 /8s, 242 /16s and 112 /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: 39120
Total RIPE prefixes after maximum aggregation: 18165
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40044
Unique aggregates announced from the RIPE address blocks: 24880
RIPE Region origin ASes present in the Internet Routing Table: 4569
RIPE Prefixes per ASN: 8.76
RIPE Region origin ASes announcing only one prefix: 2111
RIPE Region transit ASes present in the Internet Routing Table: 665
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: 1596
Number of RIPE addresses announced to Internet: 124613632
Equivalent to 7 /8s, 109 /16s and 116 /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: 11872
Total LACNIC prefixes after maximum aggregation: 4366
LACNIC Deaggregation factor: 2.72
Prefixes being announced from the LACNIC address blocks: 11302
Unique aggregates announced from the LACNIC address blocks: 5583
LACNIC Region origin ASes present in the Internet Routing Table: 2238
LACNIC Prefixes per ASN: 5.05
LACNIC Region origin ASes announcing only one prefix: 939
LACNIC Region transit ASes present in the Internet Routing Table: 490
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: 1884
Number of LACNIC addresses announced to Internet: 17820416
Equivalent to 1 /8s, 15 /16s and 235 /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: 1535
Total AfriNIC prefixes after maximum aggregation: 371
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 4030
Unique aggregates announced from the AfriNIC address blocks: 1564
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Prefixes per ASN: 41.55
AfriNIC Region origin ASes announcing only one prefix: 37
AfriNIC Region transit ASes present in the Internet Routing Table: 31
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: 50
Number of AfriNIC addresses announced to Internet: 5834752
Equivalent to 0 /8s, 89 /16s and 8 /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 10742 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4216 500 292 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2135 1078 453 VIETEL-AS-AP Viettel Group, VN
4766 2017 6034 953 KIXS-AS-KR Korea Telecom, KR
45609 1853 828 322 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1772 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1575 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 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 2403 333 698 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3096 513 CHARTER-20115, US
16509 2234 3628 1278 AMAZON-02, US
11492 1926 134 1045 CABLEONE, US
714 1233 4391 8 APPLE-ENGINEERING, US
8075 756 16021 638 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 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 2305 1999 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 918 639 330 SAUDINETSTC-AS, SA
49505 860 92 356 SELECTEL, RU
9123 632 40 282 TIMEWEB-AS, RU
50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 482 188 175 KAZTELECOM-AS, KZ
9155 427 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 1518 572 222 UNINET, MX
7738 577 1719 61 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 550 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 20 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 10742 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4216 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 2403 333 698 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2305 1999 780 ROSTELECOM-AS PJSC Rostelecom. Technical
20115 2235 3096 513 CHARTER-20115, US
16509 2234 3628 1278 AMAZON-02, US
7552 2135 1078 453 VIETEL-AS-AP Viettel Group, VN
4766 2017 6034 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 4216 3924 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 2331 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
20115 2235 1722 CHARTER-20115, US
30036 2403 1705 MEDIACOM-ENTERPRISE-BUSINESS, US
7552 2135 1682 VIETEL-AS-AP Viettel Group, VN
56046 1772 1592 CMNET-JIANGSU-AP China Mobile communications co
45609 1853 1531 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2305 1525 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
56041 1575 1501 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
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
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 /15:396 /16:2475 /17:1328 /18:2797
/19:4369 /20:7588 /21:9321 /22:17283 /23:16340 /24:95846
/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 2087 2403 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2305 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1326 1926 CABLEONE, US
8151 882 1518 UNINET, MX
49505 596 860 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 526 550 KENET-AS, KE
9123 514 632 TIMEWEB-AS, RU
50010 514 616 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 3:103 5:1094 8:71 12:81
13:89 14:386 15:58 16:63 17:321 18:74
20:28 23:712 24:593 25:2 27:623 31:529
32:2 34:3 35:37 36:1737 37:631 38:501
39:703 40:1 41:246 42:135 43:674 44:23
45:2323 46:785 47:64 49:256 50:318 51:138
52:258 54:62 57:28 58:299 59:434 60:95
61:780 62:539 63:115 64:349 65:279 66:269
67:291 68:67 69:255 70:32 71:84 72:229
74:192 75:66 76:62 77:482 78:449 79:233
80:223 81:342 82:348 83:187 84:185 85:369
86:113 87:306 88:100 89:461 90:133 91:1387
92:441 93:926 94:780 95:1452 96:266 97:146
98:68 99:47 101:460 102:121 103:8039 104:353
105:9 106:292 107:108 108:146 109:469 110:220
111:2155 112:945 113:299 114:824 115:299 116:411
117:1400 118:339 119:244 120:1288 121:409 122:1714
123:389 124:327 125:1585 126:6 128:383 129:66
130:125 131:213 132:53 133:303 134:163 135:24
136:79 137:166 138:324 139:224 140:317 141:176
142:76 143:153 144:124 145:136 146:371 147:255
148:353 149:176 150:227 151:510 152:455 153:37
154:884 155:435 156:439 157:290 158:127 159:357
160:893 161:115 162:228 163:301 164:142 165:218
166:44 167:177 168:590 169:69 170:460 171:191
172:211 173:972 174:119 175:552 176:724 177:463
178:680 179:180 180:471 181:140 182:1610 183:1125
184:134 185:2194 186:223 187:443 188:591 189:261
190:467 191:85 192:1844 193:1116 194:894 195:758
196:299 197:368 198:696 199:489 200:769 201:468
202:2471 203:2188 204:272 205:225 206:282 207:317
208:236 209:263 210:1459 211:1152 212:743 213:519
214:2 216:339 217:528 218:803 219:63 220:568
221:395 222:134 223:1120
End of report
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