[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 7 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Mon 07 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: 158305
Prefixes after maximum aggregation (per Origin AS): 63998
Deaggregation factor: 2.47
Unique aggregates announced (without unneeded subnets): 90413
Number of IPv4 prefixes with a valid ROA: 86712
Number of IPv4 prefixes with an invalid ROA: 64
Number of IPv4 prefixes with no ROA: 71529
Total ASes present in the Internet Routing Table: 14738
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 12452
Origin ASes announcing only one prefix: 5959
Transit ASes present in the Internet Routing Table: 2286
Transit-only ASes present in the Internet Routing Table: 521
Paths with bogon ASNs present in the IPv4 Routing Table: 8
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: 85
Number of instances of unregistered ASNs: 90
Number of 32-bit ASNs allocated by the RIRs: 46166
Number of 32-bit ASNs visible in the Routing Table: 7339
Prefixes from 32-bit ASNs in the Routing Table: 30081
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 55
Number of addresses announced to Internet: 510422016
Equivalent to 30 /8s, 108 /16s and 108 /24s
Percentage of available address space announced: 13.8
Percentage of allocated address space announced: 13.8
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: 38622
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78160
Total APNIC prefixes after maximum aggregation: 25640
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 76390
Unique aggregates announced from the APNIC address blocks: 37071
APNIC Region origin ASes present in the Internet Routing Table: 5097
APNIC Prefixes per ASN: 14.99
APNIC Region origin ASes announcing only one prefix: 1883
APNIC Region transit ASes present in the Internet Routing Table: 744
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3286
Number of APNIC addresses announced to Internet: 191005952
Equivalent to 11 /8s, 98 /16s and 133 /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: 26506
Total ARIN prefixes after maximum aggregation: 14813
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 26136
Unique aggregates announced from the ARIN address blocks: 20195
ARIN Region origin ASes present in the Internet Routing Table: 2118
ARIN Prefixes per ASN: 12.34
ARIN Region origin ASes announcing only one prefix: 1011
ARIN Region transit ASes present in the Internet Routing Table: 229
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: 464
Number of ARIN addresses announced to Internet: 171003136
Equivalent to 10 /8s, 49 /16s and 77 /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: 39470
Total RIPE prefixes after maximum aggregation: 18739
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 40347
Unique aggregates announced from the RIPE address blocks: 25531
RIPE Region origin ASes present in the Internet Routing Table: 4641
RIPE Prefixes per ASN: 8.69
RIPE Region origin ASes announcing only one prefix: 2128
RIPE Region transit ASes present in the Internet Routing Table: 691
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: 1631
Number of RIPE addresses announced to Internet: 124653568
Equivalent to 7 /8s, 110 /16s and 16 /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: 12438
Total LACNIC prefixes after maximum aggregation: 4351
LACNIC Deaggregation factor: 2.86
Prefixes being announced from the LACNIC address blocks: 11848
Unique aggregates announced from the LACNIC address blocks: 5683
LACNIC Region origin ASes present in the Internet Routing Table: 2208
LACNIC Prefixes per ASN: 5.37
LACNIC Region origin ASes announcing only one prefix: 888
LACNIC Region transit ASes present in the Internet Routing Table: 481
Average LACNIC Region AS path length visible: 7.5
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1883
Number of LACNIC addresses announced to Internet: 18223616
Equivalent to 1 /8s, 22 /16s and 18 /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: 1646
Total AfriNIC prefixes after maximum aggregation: 394
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 3529
Unique aggregates announced from the AfriNIC address blocks: 1896
AfriNIC Region origin ASes present in the Internet Routing Table: 128
AfriNIC Prefixes per ASN: 27.57
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 7.7
Max AfriNIC Region AS path length visible: 41
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 75
Number of AfriNIC addresses announced to Internet: 5503232
Equivalent to 0 /8s, 83 /16s and 249 /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 10131 8753 88 CHINAMOBILE-CN China Mobile Communication
9498 4157 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2845 848 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2253 1084 453 VIETEL-AS-AP Viettel Group, VN
4766 2017 6035 941 KIXS-AS-KR Korea Telecom, KR
45609 1835 824 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1592 812 181 CMNET-JIANGSU-AP China Mobile communicati
56041 1547 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1480 192 53 CMNET-HUNAN-AP China Mobile communication
9919 965 170 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 2259 311 865 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2230 3096 505 CHARTER-20115, US
16509 2213 3548 1273 AMAZON-02, US
11492 1881 130 1028 CABLEONE, US
714 1208 4391 8 APPLE-ENGINEERING, US
8075 738 16019 623 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 640 1944 302 TWC-10796-MIDWEST, US
12083 438 191 84 WOW-INTERNET, US
2152 387 40 263 CENIC-2152, US
33363 384 1416 211 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 789 ROSTELECOM-AS, RU
25019 914 639 323 SAUDINETSTC-AS, SA
49505 856 92 355 SELECTEL, RU
50010 665 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 599 37 263 TIMEWEB-AS, RU
9155 426 37 9 QNET Kuwait, KW
42772 373 63 104 A1-BY-AS, BY
50340 347 34 227 SELECTEL-MSK, RU
209242 341 31 306 CLOUDFLARESPECTRUM Cloudflare, Inc., US
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 1885 686 244 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 547 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
15399 23 2 15 WANANCHI-, KE
37531 19 2 15 AIRTEL-NIGER, NE
327885 17 4 2 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 10131 8753 88 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4157 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2845 848 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
12389 2309 1997 789 ROSTELECOM-AS, RU
30036 2259 311 865 MEDIACOM-ENTERPRISE-BUSINESS, US
7552 2253 1084 453 VIETEL-AS-AP Viettel Group, VN
20115 2230 3096 505 CHARTER-20115, US
16509 2213 3548 1273 AMAZON-02, US
4766 2017 6035 941 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 4157 3892 BBIL-AP BHARTI Airtel Ltd., IN
24560 2845 2309 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2253 1800 VIETEL-AS-AP Viettel Group, VN
20115 2230 1725 CHARTER-20115, US
8151 1885 1641 UNINET, MX
12389 2309 1520 ROSTELECOM-AS, RU
45609 1835 1514 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1547 1473 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1480 1427 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
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
23.161.8.0/24 Origin: 142433 DATAWAVE-AS-AP DATAWAVE GLOBAL LLC, CN
23.161.8.0/24 Transit: 983 AKARI-NETWORKS, US
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
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 /14:166 /15:396 /16:2539 /17:1340 /18:2822
/19:4447 /20:7600 /21:9410 /22:17039 /23:16391 /24:95995
/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 1960 2259 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1406 2309 ROSTELECOM-AS, RU
11492 1314 1881 CABLEONE, US
8151 1032 1885 UNINET, MX
49505 592 856 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 545 2230 CHARTER-20115, US
36914 523 547 KENET-AS, KE
16509 494 2213 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:197 2:330 3:100 5:1071 6:4 8:68
12:82 13:87 14:385 15:59 16:63 17:312
18:72 20:28 23:720 24:507 25:2 27:614
31:538 32:2 34:3 35:38 36:1348 37:627
38:536 39:692 40:1 41:243 42:143 43:665
44:19 45:2535 46:772 47:63 49:202 50:305
51:138 52:257 54:41 57:28 58:301 59:453
60:95 61:814 62:554 63:112 64:379 65:286
66:270 67:300 68:65 69:245 70:34 71:80
72:242 74:193 75:64 76:57 77:492 78:452
79:232 80:233 81:353 82:387 83:182 84:182
85:377 86:143 87:301 88:110 89:491 90:132
91:1390 92:424 93:934 94:777 95:1452 96:264
97:143 98:72 99:47 101:467 102:127 103:8232
104:361 105:170 106:292 107:114 108:140 109:436
110:230 111:2093 112:921 113:315 114:838 115:305
116:416 117:1391 118:399 119:292 120:1227 121:418
122:1742 123:462 124:331 125:1582 126:6 128:398
129:62 130:124 131:205 132:47 133:304 134:166
135:23 136:79 137:162 138:321 139:223 140:317
141:184 142:80 143:166 144:119 145:133 146:378
147:257 148:356 149:222 150:265 151:493 152:465
153:37 154:915 155:198 156:475 157:282 158:131
159:356 160:623 161:141 162:231 163:311 164:145
165:223 166:57 167:178 168:336 169:80 170:494
171:197 172:217 173:928 174:118 175:564 176:718
177:555 178:674 179:227 180:492 181:156 182:1605
183:1056 184:135 185:2254 186:191 187:482 188:628
189:300 190:493 191:80 192:1853 193:1110 194:904
195:759 196:238 197:387 198:706 199:518 200:715
201:538 202:2484 203:2182 204:279 205:235 206:293
207:318 208:233 209:272 210:1467 211:1144 212:790
213:539 214:10 216:374 217:512 218:801 219:68
220:575 221:354 222:135 223:1052
End of report
More information about the ren-bgp-stats-all
mailing list