[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 10 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Mon 10 Mar, 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: 158601
Prefixes after maximum aggregation (per Origin AS): 63967
Deaggregation factor: 2.48
Unique aggregates announced (without unneeded subnets): 90864
Number of IPv4 prefixes with a valid ROA: 86236
Number of IPv4 prefixes with an invalid ROA: 59
Number of IPv4 prefixes with no ROA: 72306
Total ASes present in the Internet Routing Table: 14749
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 12475
Origin ASes announcing only one prefix: 6006
Transit ASes present in the Internet Routing Table: 2274
Transit-only ASes present in the Internet Routing Table: 499
Paths with bogon ASNs present in the IPv4 Routing Table: 5
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 41
Max AS path prepend of ASN ( 37447) 36
Prefixes from unregistered ASNs in the Routing Table: 52
Number of instances of unregistered ASNs: 56
Number of 32-bit ASNs allocated by the RIRs: 46184
Number of 32-bit ASNs visible in the Routing Table: 7294
Prefixes from 32-bit ASNs in the Routing Table: 29597
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 40
Number of addresses announced to Internet: 510850048
Equivalent to 30 /8s, 114 /16s and 244 /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: 39130
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77019
Total APNIC prefixes after maximum aggregation: 25516
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 75280
Unique aggregates announced from the APNIC address blocks: 36850
APNIC Region origin ASes present in the Internet Routing Table: 5010
APNIC Prefixes per ASN: 15.03
APNIC Region origin ASes announcing only one prefix: 1859
APNIC Region transit ASes present in the Internet Routing Table: 740
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3195
Number of APNIC addresses announced to Internet: 191354624
Equivalent to 11 /8s, 103 /16s and 215 /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: 26869
Total ARIN prefixes after maximum aggregation: 14614
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26456
Unique aggregates announced from the ARIN address blocks: 20569
ARIN Region origin ASes present in the Internet Routing Table: 2119
ARIN Prefixes per ASN: 12.49
ARIN Region origin ASes announcing only one prefix: 1002
ARIN Region transit ASes present in the Internet Routing Table: 234
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 468
Number of ARIN addresses announced to Internet: 168931840
Equivalent to 10 /8s, 17 /16s and 178 /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: 39926
Total RIPE prefixes after maximum aggregation: 18799
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40692
Unique aggregates announced from the RIPE address blocks: 25320
RIPE Region origin ASes present in the Internet Routing Table: 4692
RIPE Prefixes per ASN: 8.67
RIPE Region origin ASes announcing only one prefix: 2165
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: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1652
Number of RIPE addresses announced to Internet: 125031936
Equivalent to 7 /8s, 115 /16s and 214 /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: 12984
Total LACNIC prefixes after maximum aggregation: 4590
LACNIC Deaggregation factor: 2.83
Prefixes being announced from the LACNIC address blocks: 12533
Unique aggregates announced from the LACNIC address blocks: 6139
LACNIC Region origin ASes present in the Internet Routing Table: 2292
LACNIC Prefixes per ASN: 5.47
LACNIC Region origin ASes announcing only one prefix: 937
LACNIC Region transit ASes present in the Internet Routing Table: 495
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1913
Number of LACNIC addresses announced to Internet: 19972096
Equivalent to 1 /8s, 48 /16s and 192 /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: 1751
Total AfriNIC prefixes after maximum aggregation: 407
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 3600
Unique aggregates announced from the AfriNIC address blocks: 1954
AfriNIC Region origin ASes present in the Internet Routing Table: 118
AfriNIC Prefixes per ASN: 30.51
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 6.9
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 66
Number of AfriNIC addresses announced to Internet: 5532160
Equivalent to 0 /8s, 84 /16s and 106 /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 10147 8753 87 CHINAMOBILE-CN China Mobile Communication
9498 4145 496 257 BBIL-AP BHARTI Airtel Ltd., IN
24560 2839 849 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2004 6034 928 KIXS-AS-KR Korea Telecom, KR
45609 1813 816 333 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
7552 1768 694 529 VIETEL-AS-AP Viettel Group, VN
56046 1579 804 173 CMNET-JIANGSU-AP China Mobile communicati
56041 1547 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1503 192 53 CMNET-HUNAN-AP China Mobile communication
9919 964 170 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 2387 331 704 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 3095 505 CHARTER-20115, US
16509 2176 3548 1243 AMAZON-02, US
11492 1871 130 1022 CABLEONE, US
714 1206 4391 8 APPLE-ENGINEERING, US
8075 718 16017 607 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 640 1944 302 TWC-10796-MIDWEST, US
12083 438 191 84 WOW-INTERNET, US
2152 384 39 260 CENIC-2152, US
33363 383 1416 210 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 2217 1997 784 ROSTELECOM-AS, RU
49505 854 92 355 SELECTEL, RU
25019 765 644 292 SAUDINETSTC-AS, SA
50010 665 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 582 36 259 TIMEWEB-AS, RU
9155 431 37 9 QNET Kuwait, KW
51375 420 43 14 VIVA, BH
42772 375 63 104 A1-BY-AS, BY
20940 350 3388 44 AKAMAI-ASN1, NL
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 2290 791 389 UNINET, MX
7738 605 1807 67 V tal, BR
8167 318 1083 46 V tal, BR
1916 235 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 218 16 28 Companhia Itabirana Telecomunicacoes Ltda
28391 157 10 69 Universidad Juarez Autonoma de Tabasco, M
52251 139 6 9 NORTECH, AR
11014 130 10 26 CPS, AR
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11340 108 9 52 Red Universitaria Nacional, CL
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 379 319 71 TENET-1, ZA
36873 183 82 33 VNL1-AS, NG
15399 141 32 34 WANANCHI-, KE
23889 52 30 30 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327885 22 4 2 Viettel-Tanzania, TZ
37326 19 1 4 GICO, SO
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 10147 8753 87 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4145 496 257 BBIL-AP BHARTI Airtel Ltd., IN
24560 2839 849 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2387 331 704 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 2290 791 389 UNINET, MX
20115 2232 3095 505 CHARTER-20115, US
12389 2217 1997 784 ROSTELECOM-AS, RU
16509 2176 3548 1243 AMAZON-02, US
4766 2004 6034 928 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 4145 3888 BBIL-AP BHARTI Airtel Ltd., IN
24560 2839 2302 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
8151 2290 1901 UNINET, MX
20115 2232 1727 CHARTER-20115, US
30036 2387 1683 MEDIACOM-ENTERPRISE-BUSINESS, US
45609 1813 1480 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1547 1473 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
12389 2217 1433 ROSTELECOM-AS, RU
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
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
/13:79 /14:163 /15:401 /16:2522 /17:1360 /18:2794
/19:4436 /20:7650 /21:9360 /22:16911 /23:16384 /24:96463
/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 2071 2387 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1321 2217 ROSTELECOM-AS, RU
11492 1313 1871 CABLEONE, US
8151 1262 2290 UNINET, MX
49505 590 854 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 548 2232 CHARTER-20115, US
36914 523 547 KENET-AS, KE
16509 477 2176 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:160 2:312 3:97 5:1064 6:4 8:56
12:82 13:82 14:387 15:58 16:63 17:312
18:77 20:23 23:726 24:500 25:2 27:598
31:541 32:2 34:3 35:38 36:1357 37:646
38:523 39:690 40:1 41:260 42:152 43:610
44:23 45:2499 46:821 47:63 49:204 50:321
51:138 52:257 54:41 57:29 58:293 59:465
60:95 61:813 62:555 63:131 64:385 65:288
66:301 67:298 68:68 69:250 70:31 71:76
72:243 74:199 75:63 76:55 77:485 78:447
79:234 80:249 81:357 82:361 83:169 84:182
85:337 86:135 87:310 88:98 89:501 90:130
91:1386 92:427 93:938 94:709 95:1465 96:268
97:145 98:70 99:47 101:450 102:88 103:8133
104:393 105:157 106:292 107:114 108:137 109:510
110:237 111:2077 112:912 113:305 114:830 115:300
116:381 117:1371 118:397 119:273 120:1237 121:409
122:1758 123:422 124:349 125:1579 126:1 128:395
129:54 130:132 131:189 132:45 133:304 134:139
135:23 136:80 137:160 138:322 139:229 140:312
141:205 142:95 143:157 144:114 145:100 146:382
147:255 148:361 149:232 150:266 151:494 152:490
153:36 154:948 155:170 156:473 157:285 158:129
159:390 160:639 161:153 162:259 163:274 164:145
165:225 166:59 167:199 168:486 169:79 170:561
171:158 172:220 173:969 174:120 175:544 176:699
177:562 178:676 179:214 180:500 181:173 182:1571
183:1060 184:135 185:2314 186:221 187:510 188:648
189:320 190:511 191:92 192:1815 193:1129 194:921
195:767 196:257 197:435 198:742 199:530 200:777
201:619 202:2415 203:2182 204:270 205:268 206:339
207:314 208:221 209:310 210:1511 211:1162 212:783
213:545 214:9 216:364 217:536 218:797 219:54
220:590 221:368 222:132 223:1046
End of report
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