[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Apr 26 22:47:15 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 26 Apr, 2025
IPv4 BGP Table (Global) as seen at RouteViews OIX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/OIX/
Analysis Summary
----------------
BGP routing table entries examined: 1031821
Prefixes after maximum aggregation (per Origin AS): 380492
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479636
Total ASes present in the Internet Routing Table: 76963
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66239
Origin ASes announcing only one prefix: 26370
Transit ASes present in the Internet Routing Table: 10724
Transit-only ASes present in the Internet Routing Table: 536
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1132
Number of instances of unregistered ASNs: 1135
Number of 32-bit ASNs allocated by the RIRs: 46285
Number of 32-bit ASNs visible in the Routing Table: 38237
Prefixes from 32-bit ASNs in the Routing Table: 212566
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 472
Number of addresses announced to Internet: 3107928293
Equivalent to 185 /8s, 63 /16s and 56 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 349551
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 264714
Total APNIC prefixes after maximum aggregation: 77168
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256144
Unique aggregates announced from the APNIC address blocks: 103255
APNIC Region origin ASes present in the Internet Routing Table: 14654
APNIC Prefixes per ASN: 17.48
APNIC Region origin ASes announcing only one prefix: 4454
APNIC Region transit ASes present in the Internet Routing Table: 1947
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10144
Number of APNIC addresses announced to Internet: 749444928
Equivalent to 44 /8s, 171 /16s and 159 /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: 297121
Total ARIN prefixes after maximum aggregation: 131073
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297942
Unique aggregates announced from the ARIN address blocks: 138484
ARIN Region origin ASes present in the Internet Routing Table: 19269
ARIN Prefixes per ASN: 15.46
ARIN Region origin ASes announcing only one prefix: 7027
ARIN Region transit ASes present in the Internet Routing Table: 1910
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5204
Number of ARIN addresses announced to Internet: 1349095168
Equivalent to 80 /8s, 105 /16s and 143 /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: 290726
Total RIPE prefixes after maximum aggregation: 135116
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288239
Unique aggregates announced from the RIPE address blocks: 174161
RIPE Region origin ASes present in the Internet Routing Table: 28973
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12022
RIPE Region transit ASes present in the Internet Routing Table: 3874
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12430
Number of RIPE addresses announced to Internet: 731954981
Equivalent to 43 /8s, 160 /16s and 191 /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: 138631
Total LACNIC prefixes after maximum aggregation: 29589
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135329
Unique aggregates announced from the LACNIC address blocks: 48902
LACNIC Region origin ASes present in the Internet Routing Table: 11225
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2221
LACNIC Region transit ASes present in the Internet Routing Table: 2455
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9172
Number of LACNIC addresses announced to Internet: 171851648
Equivalent to 10 /8s, 62 /16s and 63 /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: 39497
Total AfriNIC prefixes after maximum aggregation: 6881
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 53693
Unique aggregates announced from the AfriNIC address blocks: 14444
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 27.95
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105357056
Equivalent to 6 /8s, 71 /16s and 159 /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 10370 8754 95 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4333 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4267 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2862 851 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13262 39703 4095 AMAZON-02, US
174 5637 8756 926 COGENT-174, US
11492 4701 312 586 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3406 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3119 1311 2257 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2734 225 834 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
47331 9747 1294 1095 TTNET, TR
12479 7722 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4073 3396 140 AKAMAI-ASN1, NL
9009 3801 329 1982 M247, RO
12389 3074 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2112 150 1550 CDNEXT, GB
8452 1937 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12272 3262 698 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 539 364 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 21 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1095 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1057 70 382 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1743 607 31 RAYA-AS, EG
24863 1653 389 18 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1589 102 22 ORANGE-COTE-IVOIRE, CI
36992 1433 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
37069 928 1099 15 MOBINIL, EG
3741 560 661 319 IS, ZA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13262 39703 4095 AMAZON-02, US
8151 12272 3262 698 UNINET, MX
9808 10370 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9747 1294 1095 TTNET, TR
12479 7722 1714 145 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5637 8756 926 COGENT-174, US
4538 4871 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4701 312 586 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12272 11574 UNINET, MX
9808 10370 10275 CHINAMOBILE-CN China Mobile Communications Grou
47331 9747 8652 TTNET, TR
12479 7722 7577 UNI2-AS, ES
7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4794 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5637 4711 COGENT-174, US
18403 4267 4242 FPT-AS-AP FPT Telecom Company, VN
11492 4701 4115 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, MX
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:16 /10:41 /11:93 /12:300
/13:583 /14:1233 /15:2195 /16:14031 /17:8457 /18:14246
/19:25346 /20:45712 /21:54406 /22:115629 /23:109816 /24:636453
/25:583 /26:581 /27:1058 /28:66 /29:105 /30:20
/31:2 /32:832
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8828 9747 TTNET, TR
12479 6643 7722 UNI2-AS, ES
8151 6421 12272 UNINET, MX
11492 3531 4701 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2543 3406 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2360 13262 AMAZON-02, US
30036 2225 2565 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2380 2:1545 3:624 4:25 5:4969 6:163
7:6 8:1650 9:1 10:1 11:172 12:1376
13:351 14:2544 15:354 16:282 17:369 18:920
20:523 21:4 22:188 23:7574 24:2900 25:2
27:2803 29:19 31:3304 32:51 34:84 35:212
36:2425 37:4786 38:10395 39:908 40:166 41:4787
42:1925 43:2620 44:379 45:20070 46:5106 47:297
49:1948 50:1910 51:590 52:1589 54:298 55:1086
56:11 57:264 58:2291 59:1435 60:1171 61:3027
62:3052 63:1848 64:5539 65:2218 66:4735 67:3119
68:1144 69:4015 70:1081 71:630 72:2935 74:2827
75:1627 76:618 77:2846 78:4356 79:1775 80:2238
81:2232 82:3233 83:1469 84:1871 85:4388 86:1054
87:2432 88:3542 89:4494 90:787 91:8458 92:2739
93:2919 94:4148 95:5612 96:1465 97:322 98:998
99:669 100:72 101:1422 102:4413 103:32548 104:4849
105:2233 106:1045 107:2638 108:1226 109:4140 110:2245
111:3374 112:2072 113:1825 114:1982 115:2260 116:2095
117:2741 118:2914 119:1974 120:1911 121:1441 122:2781
123:2414 124:1687 125:2898 126:91 128:1610 129:1035
130:1341 131:2078 132:875 133:450 134:1544 135:377
136:1313 137:1181 138:3243 139:1625 140:1585 141:1496
142:1949 143:1767 144:1080 145:521 146:2180 147:2103
148:2673 149:2968 150:1260 151:1755 152:2125 153:571
154:8536 155:1656 156:3310 157:1915 158:1301 159:2444
160:3700 161:1931 162:3775 163:2104 164:1738 165:2241
166:1450 167:1910 168:4388 169:822 170:5525 171:1012
172:4511 173:3280 174:909 175:1309 176:3808 177:6151
178:3894 179:2998 180:2674 181:4225 182:3396 183:2051
184:2149 185:21851 186:5786 187:5081 188:4339 189:4653
190:9902 191:2076 192:11314 193:9524 194:7899 195:5689
196:3691 197:3974 198:6245 199:8521 200:8768 201:6559
202:10832 203:10742 204:4576 205:3714 206:4683 207:3596
208:4261 209:5277 210:4895 211:2638 212:4717 213:3906
214:1031 215:48 216:6714 217:3213 218:1389 219:550
220:2092 221:1059 222:856 223:2368
End of report
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