[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 28 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Mon 28 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: 158982
Prefixes after maximum aggregation (per Origin AS): 63192
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 90506
Number of IPv4 prefixes with a valid ROA: 87421
Number of IPv4 prefixes with an invalid ROA: 67
Number of IPv4 prefixes with no ROA: 71494
Total ASes present in the Internet Routing Table: 14674
Prefixes per ASN: 10.83
Origin-only ASes present in the Internet Routing Table: 12427
Origin ASes announcing only one prefix: 6010
Transit ASes present in the Internet Routing Table: 2247
Transit-only ASes present in the Internet Routing Table: 513
Paths with bogon ASNs present in the IPv4 Routing Table: 3
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: 85
Number of 32-bit ASNs allocated by the RIRs: 46291
Number of 32-bit ASNs visible in the Routing Table: 7243
Prefixes from 32-bit ASNs in the Routing Table: 29417
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 64
Number of addresses announced to Internet: 505255168
Equivalent to 30 /8s, 29 /16s and 149 /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: 39084
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78385
Total APNIC prefixes after maximum aggregation: 25278
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 76626
Unique aggregates announced from the APNIC address blocks: 37016
APNIC Region origin ASes present in the Internet Routing Table: 5011
APNIC Prefixes per ASN: 15.29
APNIC Region origin ASes announcing only one prefix: 1869
APNIC Region transit ASes present in the Internet Routing Table: 727
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3222
Number of APNIC addresses announced to Internet: 189231872
Equivalent to 11 /8s, 71 /16s and 115 /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: 26927
Total ARIN prefixes after maximum aggregation: 14634
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26731
Unique aggregates announced from the ARIN address blocks: 20592
ARIN Region origin ASes present in the Internet Routing Table: 2163
ARIN Prefixes per ASN: 12.36
ARIN Region origin ASes announcing only one prefix: 1020
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: 482
Number of ARIN addresses announced to Internet: 167736576
Equivalent to 9 /8s, 255 /16s and 117 /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: 39376
Total RIPE prefixes after maximum aggregation: 18275
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40309
Unique aggregates announced from the RIPE address blocks: 25114
RIPE Region origin ASes present in the Internet Routing Table: 4594
RIPE Prefixes per ASN: 8.77
RIPE Region origin ASes announcing only one prefix: 2115
RIPE Region transit ASes present in the Internet Routing Table: 666
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: 1595
Number of RIPE addresses announced to Internet: 124216064
Equivalent to 7 /8s, 103 /16s and 99 /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: 12175
Total LACNIC prefixes after maximum aggregation: 4416
LACNIC Deaggregation factor: 2.76
Prefixes being announced from the LACNIC address blocks: 11602
Unique aggregates announced from the LACNIC address blocks: 5658
LACNIC Region origin ASes present in the Internet Routing Table: 2222
LACNIC Prefixes per ASN: 5.22
LACNIC Region origin ASes announcing only one prefix: 945
LACNIC Region transit ASes present in the Internet Routing Table: 475
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1859
Number of LACNIC addresses announced to Internet: 18298624
Equivalent to 1 /8s, 23 /16s and 55 /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: 2034
Total AfriNIC prefixes after maximum aggregation: 527
AfriNIC Deaggregation factor: 3.86
Prefixes being announced from the AfriNIC address blocks: 3650
Unique aggregates announced from the AfriNIC address blocks: 2093
AfriNIC Region origin ASes present in the Internet Routing Table: 146
AfriNIC Prefixes per ASN: 25.00
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 46
Average AfriNIC Region AS path length visible: 7.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 85
Number of AfriNIC addresses announced to Internet: 5740544
Equivalent to 0 /8s, 87 /16s and 152 /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 10278 8754 92 CHINAMOBILE-CN China Mobile Communication
9498 4175 498 268 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2034 6035 955 KIXS-AS-KR Korea Telecom, KR
45609 1849 827 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1630 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1574 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1486 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 2410 335 669 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2234 3628 1275 AMAZON-02, US
11492 1892 131 1031 CABLEONE, US
714 1225 4391 8 APPLE-ENGINEERING, US
8075 750 16020 634 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 577 192 88 WOW-INTERNET, US
2152 396 44 265 CENIC-2152, US
33363 386 1424 214 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 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 913 639 327 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
9123 618 39 276 TIMEWEB-AS, RU
50010 617 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 479 179 177 KAZTELECOM-AS, KZ
9155 426 37 9 QNET Kuwait, KW
21299 423 77 60 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 1855 676 242 UNINET, MX
7738 595 1775 65 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 534 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
37577 175 28 43 Orange-, BF
15399 95 8 44 WANANCHI-, KE
30999 74 25 32 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
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 10278 8754 92 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4175 498 268 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2410 335 669 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2305 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2235 3097 506 CHARTER-20115, US
16509 2234 3628 1275 AMAZON-02, US
4766 2034 6035 955 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 4175 3907 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 2320 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2256 1802 VIETEL-AS-AP Viettel Group, VN
30036 2410 1741 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1729 CHARTER-20115, US
8151 1855 1613 UNINET, MX
45609 1849 1528 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2305 1525 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
56041 1574 1500 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
36288 UNALLOCATED 64.79.154.0/24 293 ESNET, US
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, 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 /12:47
/13:82 /14:167 /15:397 /16:2473 /17:1328 /18:2804
/19:4406 /20:7656 /21:9440 /22:17410 /23:16520 /24:96222
/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 2094 2410 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2305 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1314 1892 CABLEONE, US
8151 1024 1855 UNINET, MX
49505 595 859 SELECTEL, RU
20115 551 2235 CHARTER-20115, US
50010 515 617 NAWRAS-AS Sultanate of Oman, OM
36914 510 534 KENET-AS, KE
9123 501 618 TIMEWEB-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:200 2:322 3:102 5:1085 8:63 12:80
13:87 14:381 15:58 16:63 17:316 18:72
20:28 23:718 24:594 25:2 27:617 31:506
32:2 34:3 35:37 36:1434 37:639 38:524
39:701 40:1 41:265 42:144 43:679 44:22
45:2370 46:772 47:64 49:208 50:317 51:138
52:257 54:62 57:28 58:301 59:452 60:95
61:815 62:557 63:128 64:380 65:310 66:301
67:304 68:70 69:267 70:34 71:82 72:245
74:199 75:65 76:62 77:483 78:452 79:239
80:235 81:341 82:356 83:185 84:184 85:369
86:125 87:309 88:99 89:479 90:133 91:1406
92:449 93:931 94:789 95:1469 96:266 97:146
98:68 99:47 101:464 102:222 103:8080 104:364
105:179 106:288 107:108 108:142 109:457 110:225
111:2099 112:929 113:314 114:815 115:308 116:405
117:1386 118:418 119:258 120:1241 121:419 122:1753
123:456 124:331 125:1584 126:6 128:401 129:67
130:136 131:188 132:49 133:303 134:161 135:24
136:78 137:169 138:315 139:226 140:313 141:187
142:79 143:156 144:121 145:136 146:374 147:256
148:355 149:196 150:271 151:517 152:454 153:37
154:762 155:192 156:445 157:281 158:126 159:394
160:673 161:150 162:277 163:309 164:147 165:220
166:46 167:189 168:332 169:76 170:460 171:197
172:212 173:972 174:119 175:569 176:720 177:510
178:675 179:180 180:457 181:118 182:1586 183:1064
184:137 185:2260 186:215 187:464 188:594 189:290
190:471 191:91 192:1797 193:1124 194:914 195:768
196:289 197:426 198:762 199:559 200:772 201:524
202:2491 203:2230 204:287 205:262 206:306 207:321
208:238 209:307 210:1469 211:1147 212:758 213:515
214:2 216:379 217:564 218:807 219:65 220:568
221:360 222:135 223:1088
End of report
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