[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 17 20:31:56 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Thu 17 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: 159110
Prefixes after maximum aggregation (per Origin AS): 64061
Deaggregation factor: 2.48
Unique aggregates announced (without unneeded subnets): 90978
Number of IPv4 prefixes with a valid ROA: 87566
Number of IPv4 prefixes with an invalid ROA: 67
Number of IPv4 prefixes with no ROA: 71477
Total ASes present in the Internet Routing Table: 14683
Prefixes per ASN: 10.84
Origin-only ASes present in the Internet Routing Table: 12442
Origin ASes announcing only one prefix: 5992
Transit ASes present in the Internet Routing Table: 2241
Transit-only ASes present in the Internet Routing Table: 477
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: 45
Max AS path prepend of ASN (212940) 40
Prefixes from unregistered ASNs in the Routing Table: 82
Number of instances of unregistered ASNs: 82
Number of 32-bit ASNs allocated by the RIRs: 46228
Number of 32-bit ASNs visible in the Routing Table: 7312
Prefixes from 32-bit ASNs in the Routing Table: 30095
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: 51
Number of addresses announced to Internet: 506523136
Equivalent to 30 /8s, 48 /16s and 238 /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: 39018
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78411
Total APNIC prefixes after maximum aggregation: 25517
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 76657
Unique aggregates announced from the APNIC address blocks: 37371
APNIC Region origin ASes present in the Internet Routing Table: 5029
APNIC Prefixes per ASN: 15.24
APNIC Region origin ASes announcing only one prefix: 1862
APNIC Region transit ASes present in the Internet Routing Table: 739
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: 3228
Number of APNIC addresses announced to Internet: 190036736
Equivalent to 11 /8s, 83 /16s and 187 /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: 26586
Total ARIN prefixes after maximum aggregation: 14714
ARIN Deaggregation factor: 1.81
Prefixes being announced from the ARIN address blocks: 26399
Unique aggregates announced from the ARIN address blocks: 20279
ARIN Region origin ASes present in the Internet Routing Table: 2079
ARIN Prefixes per ASN: 12.70
ARIN Region origin ASes announcing only one prefix: 972
ARIN Region transit ASes present in the Internet Routing Table: 196
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 453
Number of ARIN addresses announced to Internet: 167316224
Equivalent to 9 /8s, 249 /16s and 11 /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: 39682
Total RIPE prefixes after maximum aggregation: 18762
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40556
Unique aggregates announced from the RIPE address blocks: 25445
RIPE Region origin ASes present in the Internet Routing Table: 4665
RIPE Prefixes per ASN: 8.69
RIPE Region origin ASes announcing only one prefix: 2159
RIPE Region transit ASes present in the Internet Routing Table: 685
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: 1639
Number of RIPE addresses announced to Internet: 124955648
Equivalent to 7 /8s, 114 /16s and 172 /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: 12491
Total LACNIC prefixes after maximum aggregation: 4528
LACNIC Deaggregation factor: 2.76
Prefixes being announced from the LACNIC address blocks: 11904
Unique aggregates announced from the LACNIC address blocks: 5827
LACNIC Region origin ASes present in the Internet Routing Table: 2279
LACNIC Prefixes per ASN: 5.22
LACNIC Region origin ASes announcing only one prefix: 948
LACNIC Region transit ASes present in the Internet Routing Table: 486
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1917
Number of LACNIC addresses announced to Internet: 18489600
Equivalent to 1 /8s, 26 /16s and 33 /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: 1858
Total AfriNIC prefixes after maximum aggregation: 482
AfriNIC Deaggregation factor: 3.85
Prefixes being announced from the AfriNIC address blocks: 3543
Unique aggregates announced from the AfriNIC address blocks: 2023
AfriNIC Region origin ASes present in the Internet Routing Table: 131
AfriNIC Prefixes per ASN: 27.05
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 40
Average AfriNIC Region AS path length visible: 7.5
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 75
Number of AfriNIC addresses announced to Internet: 5693440
Equivalent to 0 /8s, 86 /16s and 224 /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 10171 8753 88 CHINAMOBILE-CN China Mobile Communication
9498 4159 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2856 850 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2034 6037 954 KIXS-AS-KR Korea Telecom, KR
45609 1839 824 325 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1598 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1574 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
9919 967 170 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 2255 310 859 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2207 3546 1265 AMAZON-02, US
11492 1889 131 1031 CABLEONE, US
714 1221 4391 8 APPLE-ENGINEERING, US
8075 748 16019 632 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 574 192 88 WOW-INTERNET, US
2152 396 44 265 CENIC-2152, US
33363 383 1416 212 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 2309 1997 781 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 917 639 326 SAUDINETSTC-AS, SA
49505 858 92 356 SELECTEL, RU
50010 665 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 608 38 271 TIMEWEB-AS, RU
9198 471 176 189 KAZTELECOM-AS, KZ
9155 426 37 9 QNET Kuwait, KW
42772 373 63 104 A1-BY-AS, BY
50340 346 34 227 SELECTEL-MSK, RU
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 1869 679 244 UNINET, MX
7738 605 1807 67 V tal, BR
8167 342 1089 44 V tal, BR
1916 235 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 217 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 128 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
36873 200 83 32 VNL1-AS, NG
15399 129 12 61 WANANCHI-, KE
30999 74 25 30 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 20 2 16 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 10171 8753 88 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4159 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2856 850 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
12389 2309 1997 781 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
30036 2255 310 859 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2207 3546 1265 AMAZON-02, US
4766 2034 6037 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 4159 3894 BBIL-AP BHARTI Airtel Ltd., IN
24560 2856 2319 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2255 1801 VIETEL-AS-AP Viettel Group, VN
20115 2235 1729 CHARTER-20115, US
8151 1869 1625 UNINET, MX
12389 2309 1528 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1839 1514 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1574 1500 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
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
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 /12:48
/13:82 /14:167 /15:395 /16:2482 /17:1329 /18:2819
/19:4419 /20:7644 /21:9424 /22:17310 /23:16413 /24:96548
/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 1956 2255 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1405 2309 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1314 1889 CABLEONE, US
8151 1031 1869 UNINET, MX
49505 594 858 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 551 2235 CHARTER-20115, US
36914 526 550 KENET-AS, KE
9123 491 608 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 2:325 3:102 5:1079 8:59 12:75
13:87 14:385 15:58 16:63 17:315 18:72
20:28 23:724 24:595 25:2 27:621 31:521
32:2 34:3 35:37 36:1348 37:631 38:513
39:698 40:1 41:255 42:147 43:665 44:22
45:2509 46:765 47:63 49:207 50:303 51:138
52:255 54:41 57:28 58:303 59:453 60:95
61:803 62:560 63:124 64:379 65:285 66:297
67:298 68:69 69:267 70:33 71:82 72:238
74:198 75:68 76:62 77:484 78:452 79:246
80:219 81:346 82:390 83:181 84:194 85:375
86:143 87:306 88:103 89:477 90:131 91:1390
92:441 93:921 94:784 95:1468 96:266 97:145
98:72 99:47 101:459 102:167 103:8407 104:361
105:180 106:288 107:113 108:140 109:455 110:229
111:2106 112:922 113:313 114:810 115:307 116:405
117:1391 118:404 119:283 120:1232 121:419 122:1756
123:462 124:358 125:1585 126:6 128:403 129:64
130:127 131:185 132:51 133:304 134:159 135:24
136:78 137:162 138:330 139:229 140:315 141:191
142:80 143:169 144:115 145:134 146:373 147:255
148:355 149:228 150:258 151:498 152:464 153:37
154:804 155:198 156:450 157:283 158:132 159:394
160:661 161:148 162:265 163:310 164:145 165:222
166:49 167:183 168:333 169:79 170:482 171:198
172:214 173:922 174:118 175:566 176:728 177:557
178:666 179:204 180:456 181:164 182:1550 183:1065
184:138 185:2296 186:207 187:472 188:583 189:289
190:483 191:101 192:1812 193:1135 194:923 195:761
196:278 197:409 198:733 199:538 200:760 201:538
202:2502 203:2237 204:287 205:271 206:299 207:311
208:235 209:298 210:1471 211:1143 212:760 213:526
214:2 216:378 217:543 218:804 219:66 220:574
221:360 222:135 223:1062
End of report
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