[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 23 20:31:56 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 23 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: 162842
Prefixes after maximum aggregation (per Origin AS): 64360
Deaggregation factor: 2.53
Unique aggregates announced (without unneeded subnets): 91444
Number of IPv4 prefixes with a valid ROA: 91389
Number of IPv4 prefixes with an invalid ROA: 82
Number of IPv4 prefixes with no ROA: 71371
Total ASes present in the Internet Routing Table: 14707
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 12446
Origin ASes announcing only one prefix: 6018
Transit ASes present in the Internet Routing Table: 2261
Transit-only ASes present in the Internet Routing Table: 496
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 6.6
Max AS path length visible: 45
Max AS path prepend of ASN (212940) 40
Prefixes from unregistered ASNs in the Routing Table: 79
Number of instances of unregistered ASNs: 79
Number of 32-bit ASNs allocated by the RIRs: 46254
Number of 32-bit ASNs visible in the Routing Table: 7331
Prefixes from 32-bit ASNs in the Routing Table: 33394
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: 66
Number of addresses announced to Internet: 522678528
Equivalent to 31 /8s, 39 /16s and 113 /24s
Percentage of available address space announced: 14.1
Percentage of allocated address space announced: 14.1
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: 39559
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78305
Total APNIC prefixes after maximum aggregation: 25509
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 76592
Unique aggregates announced from the APNIC address blocks: 37324
APNIC Region origin ASes present in the Internet Routing Table: 5037
APNIC Prefixes per ASN: 15.21
APNIC Region origin ASes announcing only one prefix: 1874
APNIC Region transit ASes present in the Internet Routing Table: 733
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: 3244
Number of APNIC addresses announced to Internet: 189232384
Equivalent to 11 /8s, 71 /16s and 117 /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: 30575
Total ARIN prefixes after maximum aggregation: 15063
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 30330
Unique aggregates announced from the ARIN address blocks: 20805
ARIN Region origin ASes present in the Internet Routing Table: 2118
ARIN Prefixes per ASN: 14.32
ARIN Region origin ASes announcing only one prefix: 1002
ARIN Region transit ASes present in the Internet Routing Table: 232
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 460
Number of ARIN addresses announced to Internet: 184481280
Equivalent to 10 /8s, 254 /16s and 246 /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: 39649
Total RIPE prefixes after maximum aggregation: 18829
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 40573
Unique aggregates announced from the RIPE address blocks: 25601
RIPE Region origin ASes present in the Internet Routing Table: 4628
RIPE Prefixes per ASN: 8.77
RIPE Region origin ASes announcing only one prefix: 2147
RIPE Region transit ASes present in the Internet Routing Table: 678
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: 1634
Number of RIPE addresses announced to Internet: 124859904
Equivalent to 7 /8s, 113 /16s and 54 /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: 12417
Total LACNIC prefixes after maximum aggregation: 4442
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 11819
Unique aggregates announced from the LACNIC address blocks: 5723
LACNIC Region origin ASes present in the Internet Routing Table: 2275
LACNIC Prefixes per ASN: 5.20
LACNIC Region origin ASes announcing only one prefix: 944
LACNIC Region transit ASes present in the Internet Routing Table: 493
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1917
Number of LACNIC addresses announced to Internet: 18303488
Equivalent to 1 /8s, 23 /16s and 74 /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: 1817
Total AfriNIC prefixes after maximum aggregation: 462
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 3462
Unique aggregates announced from the AfriNIC address blocks: 1956
AfriNIC Region origin ASes present in the Internet Routing Table: 130
AfriNIC Prefixes per ASN: 26.63
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 39
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: 76
Number of AfriNIC addresses announced to Internet: 5769216
Equivalent to 0 /8s, 88 /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 10170 8753 89 CHINAMOBILE-CN China Mobile Communication
9498 4162 497 263 BBIL-AP BHARTI Airtel Ltd., IN
24560 2857 851 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2037 6037 956 KIXS-AS-KR Korea Telecom, KR
45609 1840 824 324 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 966 170 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
396982 2962 3650 472 GOOGLE-CLOUD-PLATFORM, US
30036 2402 334 681 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2218 3611 1274 AMAZON-02, US
11492 1890 131 1029 CABLEONE, US
714 1223 4391 8 APPLE-ENGINEERING, US
15169 977 2027 83 GOOGLE, US
8075 751 16020 635 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 576 192 88 WOW-INTERNET, 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 778 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 917 639 325 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
9123 615 38 274 TIMEWEB-AS, RU
9198 479 179 177 KAZTELECOM-AS, KZ
50010 467 76 11 NAWRAS-AS Sultanate of Oman, OM
9155 426 37 9 QNET Kuwait, KW
21299 422 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 675 242 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 543 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
15399 95 8 44 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 22 2 18 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 10170 8753 89 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4162 497 263 BBIL-AP BHARTI Airtel Ltd., IN
396982 2962 3650 472 GOOGLE-CLOUD-PLATFORM, US
24560 2857 851 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2402 334 681 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2305 1997 778 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2235 3097 506 CHARTER-20115, US
16509 2218 3611 1274 AMAZON-02, US
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 4162 3899 BBIL-AP BHARTI Airtel Ltd., IN
396982 2962 2490 GOOGLE-CLOUD-PLATFORM, US
24560 2857 2320 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2255 1801 VIETEL-AS-AP Viettel Group, VN
20115 2235 1729 CHARTER-20115, US
30036 2402 1721 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1855 1613 UNINET, MX
12389 2305 1527 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1840 1516 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
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 /11:15 /12:51
/13:92 /14:198 /15:403 /16:2590 /17:1416 /18:2855
/19:4549 /20:9455 /21:9534 /22:17449 /23:16563 /24:97655
/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 2086 2402 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2305 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1314 1890 CABLEONE, US
8151 1019 1855 UNINET, MX
49505 595 859 SELECTEL, RU
20115 551 2235 CHARTER-20115, US
36914 519 543 KENET-AS, KE
9123 498 615 TIMEWEB-AS, RU
16509 491 2218 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:199 2:330 3:102 5:1071 8:94 12:81
13:87 14:390 15:58 16:63 17:316 18:72
20:28 23:806 24:593 25:2 27:612 31:523
32:2 34:26 35:78 36:1357 37:624 38:521
39:698 40:1 41:250 42:144 43:676 44:22
45:2471 46:758 47:63 49:207 50:317 51:138
52:258 54:41 57:34 58:302 59:454 60:95
61:811 62:546 63:116 64:415 65:284 66:280
67:308 68:65 69:264 70:49 71:82 72:248
74:282 75:68 76:62 77:495 78:451 79:244
80:228 81:346 82:376 83:188 84:194 85:388
86:143 87:312 88:107 89:488 90:133 91:1395
92:444 93:924 94:775 95:1480 96:266 97:146
98:72 99:47 101:463 102:148 103:8161 104:494
105:180 106:287 107:141 108:225 109:461 110:231
111:2091 112:930 113:313 114:823 115:311 116:399
117:1386 118:416 119:283 120:1233 121:418 122:1756
123:455 124:331 125:1585 126:6 128:401 129:65
130:129 131:191 132:48 133:304 134:165 135:26
136:168 137:169 138:334 139:230 140:319 141:186
142:361 143:164 144:126 145:136 146:375 147:264
148:362 149:222 150:267 151:505 152:464 153:37
154:786 155:202 156:456 157:290 158:131 159:358
160:650 161:141 162:271 163:323 164:145 165:224
166:48 167:179 168:358 169:78 170:505 171:197
172:319 173:1063 174:118 175:570 176:724 177:541
178:675 179:198 180:457 181:155 182:1576 183:1061
184:132 185:2314 186:208 187:490 188:597 189:293
190:481 191:87 192:1916 193:1124 194:923 195:775
196:282 197:406 198:701 199:524 200:753 201:512
202:2491 203:2227 204:283 205:231 206:290 207:323
208:265 209:326 210:1476 211:1146 212:765 213:523
214:2 216:428 217:537 218:805 219:65 220:569
221:359 222:135 223:1061
End of report
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