[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 18 20:31:51 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sun 18 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: 158574
Prefixes after maximum aggregation (per Origin AS): 62824
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 89314
Number of IPv4 prefixes with a valid ROA: 86957
Number of IPv4 prefixes with an invalid ROA: 74
Number of IPv4 prefixes with no ROA: 71543
Total ASes present in the Internet Routing Table: 14629
Prefixes per ASN: 10.84
Origin-only ASes present in the Internet Routing Table: 12368
Origin ASes announcing only one prefix: 5967
Transit ASes present in the Internet Routing Table: 2261
Transit-only ASes present in the Internet Routing Table: 517
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: 46451
Number of 32-bit ASNs visible in the Routing Table: 7215
Prefixes from 32-bit ASNs in the Routing Table: 29186
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: 42
Number of addresses announced to Internet: 505941504
Equivalent to 30 /8s, 40 /16s and 14 /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: 38584
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78379
Total APNIC prefixes after maximum aggregation: 25050
APNIC Deaggregation factor: 3.13
Prefixes being announced from the APNIC address blocks: 76759
Unique aggregates announced from the APNIC address blocks: 36557
APNIC Region origin ASes present in the Internet Routing Table: 5017
APNIC Prefixes per ASN: 15.30
APNIC Region origin ASes announcing only one prefix: 1877
APNIC Region transit ASes present in the Internet Routing Table: 746
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: 3215
Number of APNIC addresses announced to Internet: 189396480
Equivalent to 11 /8s, 73 /16s and 246 /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: 26937
Total ARIN prefixes after maximum aggregation: 14658
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26470
Unique aggregates announced from the ARIN address blocks: 20453
ARIN Region origin ASes present in the Internet Routing Table: 2130
ARIN Prefixes per ASN: 12.43
ARIN Region origin ASes announcing only one prefix: 999
ARIN Region transit ASes present in the Internet Routing Table: 221
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: 469
Number of ARIN addresses announced to Internet: 167250688
Equivalent to 9 /8s, 248 /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: 39422
Total RIPE prefixes after maximum aggregation: 18286
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 40350
Unique aggregates announced from the RIPE address blocks: 25089
RIPE Region origin ASes present in the Internet Routing Table: 4608
RIPE Prefixes per ASN: 8.76
RIPE Region origin ASes announcing only one prefix: 2128
RIPE Region transit ASes present in the Internet Routing Table: 663
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: 1606
Number of RIPE addresses announced to Internet: 125120768
Equivalent to 7 /8s, 117 /16s and 49 /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: 12235
Total LACNIC prefixes after maximum aggregation: 4402
LACNIC Deaggregation factor: 2.78
Prefixes being announced from the LACNIC address blocks: 11670
Unique aggregates announced from the LACNIC address blocks: 5619
LACNIC Region origin ASes present in the Internet Routing Table: 2237
LACNIC Prefixes per ASN: 5.22
LACNIC Region origin ASes announcing only one prefix: 926
LACNIC Region transit ASes present in the Internet Routing Table: 495
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1877
Number of LACNIC addresses announced to Internet: 18283520
Equivalent to 1 /8s, 22 /16s and 252 /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: 1524
Total AfriNIC prefixes after maximum aggregation: 371
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 3283
Unique aggregates announced from the AfriNIC address blocks: 1566
AfriNIC Region origin ASes present in the Internet Routing Table: 98
AfriNIC Prefixes per ASN: 33.50
AfriNIC Region origin ASes announcing only one prefix: 37
AfriNIC Region transit ASes present in the Internet Routing Table: 30
Average AfriNIC Region AS path length visible: 7.1
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 48
Number of AfriNIC addresses announced to Internet: 5860096
Equivalent to 0 /8s, 89 /16s and 107 /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 10812 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4223 500 292 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2134 1078 453 VIETEL-AS-AP Viettel Group, VN
4766 1969 6031 944 KIXS-AS-KR Korea Telecom, KR
45609 1845 823 324 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1779 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1577 725 74 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 2416 335 668 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2236 3628 1280 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
11492 1926 134 1045 CABLEONE, US
714 1237 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 2309 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 918 639 338 SAUDINETSTC-AS, SA
49505 861 92 356 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
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 1924 679 255 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
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
262287 88 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 544 82 3 KENET-AS, KE
2018 372 318 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 20 5 5 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 10812 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4223 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 2416 335 668 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2309 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2236 3628 1280 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
7552 2134 1078 453 VIETEL-AS-AP Viettel Group, VN
4766 1969 6031 944 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 4223 3931 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 2331 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
30036 2416 1748 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1722 CHARTER-20115, US
7552 2134 1681 VIETEL-AS-AP Viettel Group, VN
8151 1924 1669 UNINET, MX
56046 1779 1599 CMNET-JIANGSU-AP China Mobile communications co
12389 2309 1528 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1845 1521 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 /15:396 /16:2481 /17:1348 /18:2808
/19:4426 /20:7646 /21:9458 /22:17219 /23:16416 /24:96051
/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 1403 2309 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1325 1926 CABLEONE, US
8151 1062 1924 UNINET, MX
49505 597 861 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 520 544 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)
----------------------------------------------
1:162 2:325 3:104 5:1090 8:71 12:78
13:89 14:386 15:58 16:63 17:324 18:74
20:28 23:715 24:596 25:2 27:610 31:530
32:2 34:3 35:37 36:1812 37:645 38:518
39:706 40:1 41:243 42:115 43:666 44:23
45:2344 46:789 47:64 49:257 50:320 51:138
52:259 54:62 57:28 58:268 59:433 60:95
61:776 62:554 63:129 64:353 65:283 66:299
67:291 68:72 69:263 70:32 71:84 72:226
74:197 75:65 76:61 77:482 78:452 79:234
80:222 81:343 82:345 83:183 84:184 85:367
86:113 87:315 88:99 89:456 90:134 91:1393
92:449 93:932 94:783 95:1457 96:265 97:146
98:68 99:47 101:459 102:118 103:7972 104:363
105:9 106:291 107:108 108:146 109:472 110:230
111:2155 112:947 113:300 114:828 115:295 116:411
117:1373 118:324 119:243 120:1290 121:410 122:1716
123:393 124:326 125:1586 126:6 128:383 129:67
130:126 131:219 132:52 133:302 134:163 135:24
136:79 137:166 138:319 139:226 140:316 141:192
142:76 143:161 144:124 145:135 146:371 147:232
148:197 149:199 150:227 151:519 152:453 153:37
154:874 155:189 156:458 157:288 158:127 159:395
160:649 161:133 162:271 163:304 164:162 165:220
166:44 167:179 168:588 169:68 170:465 171:192
172:212 173:976 174:120 175:563 176:733 177:478
178:678 179:171 180:474 181:139 182:1620 183:1124
184:139 185:2234 186:226 187:491 188:589 189:307
190:470 191:94 192:1836 193:1127 194:905 195:771
196:302 197:365 198:766 199:558 200:799 201:525
202:2509 203:2197 204:289 205:263 206:302 207:320
208:241 209:308 210:1462 211:1148 212:743 213:516
214:2 216:346 217:554 218:798 219:64 220:550
221:391 222:127 223:1100
End of report
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