[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 10 22:46:51 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 10 May, 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: 1033583
Prefixes after maximum aggregation (per Origin AS): 381960
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479726
Total ASes present in the Internet Routing Table: 76968
Prefixes per ASN: 13.43
Origin-only ASes present in the Internet Routing Table: 66242
Origin ASes announcing only one prefix: 26386
Transit ASes present in the Internet Routing Table: 10726
Transit-only ASes present in the Internet Routing Table: 543
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: 1068
Number of instances of unregistered ASNs: 1071
Number of 32-bit ASNs allocated by the RIRs: 46388
Number of 32-bit ASNs visible in the Routing Table: 38274
Prefixes from 32-bit ASNs in the Routing Table: 213269
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 468
Number of addresses announced to Internet: 3111465509
Equivalent to 185 /8s, 117 /16s and 50 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 349875
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265815
Total APNIC prefixes after maximum aggregation: 77489
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256974
Unique aggregates announced from the APNIC address blocks: 103381
APNIC Region origin ASes present in the Internet Routing Table: 14651
APNIC Prefixes per ASN: 17.54
APNIC Region origin ASes announcing only one prefix: 4465
APNIC Region transit ASes present in the Internet Routing Table: 1936
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: 10145
Number of APNIC addresses announced to Internet: 749448512
Equivalent to 44 /8s, 171 /16s and 173 /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: 297344
Total ARIN prefixes after maximum aggregation: 131927
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298235
Unique aggregates announced from the ARIN address blocks: 138579
ARIN Region origin ASes present in the Internet Routing Table: 19261
ARIN Prefixes per ASN: 15.48
ARIN Region origin ASes announcing only one prefix: 7020
ARIN Region transit ASes present in the Internet Routing Table: 1912
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: 5206
Number of ARIN addresses announced to Internet: 1353351168
Equivalent to 80 /8s, 170 /16s and 128 /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: 290870
Total RIPE prefixes after maximum aggregation: 135278
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288505
Unique aggregates announced from the RIPE address blocks: 174527
RIPE Region origin ASes present in the Internet Routing Table: 28974
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12021
RIPE Region transit ASes present in the Internet Routing Table: 3875
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: 12441
Number of RIPE addresses announced to Internet: 731207269
Equivalent to 43 /8s, 149 /16s and 86 /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: 138940
Total LACNIC prefixes after maximum aggregation: 29713
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135455
Unique aggregates announced from the LACNIC address blocks: 48972
LACNIC Region origin ASes present in the Internet Routing Table: 11241
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2226
LACNIC Region transit ASes present in the Internet Routing Table: 2474
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: 9192
Number of LACNIC addresses announced to Internet: 171856768
Equivalent to 10 /8s, 62 /16s and 83 /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: 39546
Total AfriNIC prefixes after maximum aggregation: 6913
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 53945
Unique aggregates announced from the AfriNIC address blocks: 13882
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.08
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 105378816
Equivalent to 6 /8s, 71 /16s and 244 /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 10800 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6161 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4400 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4369 534 302 BBIL-AP BHARTI Airtel Ltd., IN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3285 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2867 852 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13336 40836 4819 AMAZON-02, US
174 5382 8750 898 COGENT-174, US
11492 4726 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3358 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3164 3852 416 GOOGLE-CLOUD-PLATFORM, US
16625 3158 1323 2268 AKAMAI-AS, US
36352 2775 227 850 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 9752 1296 1077 TTNET, TR
12479 7696 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4073 3396 140 AKAMAI-ASN1, NL
9009 3824 330 1984 M247, RO
12389 3074 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2145 152 1580 CDNEXT, GB
8452 1943 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 12371 3265 683 UNINET, MX
10620 3505 481 1018 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1184 371 22 Telefonica del Peru S.A.A., PE
28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1110 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1056 70 380 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1573 102 39 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 Vodafone-, EG
37069 932 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 13336 40836 4819 AMAZON-02, US
8151 12371 3265 683 UNINET, MX
9808 10800 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7696 1714 148 UNI2-AS, ES
7545 6161 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5382 8750 898 COGENT-174, US
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 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 12371 11688 UNINET, MX
9808 10800 10702 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7696 7548 UNI2-AS, ES
7545 6161 5507 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4782 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5382 4484 COGENT-174, US
18403 4400 4375 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 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
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
/13:582 /14:1233 /15:2201 /16:14099 /17:8446 /18:14223
/19:25363 /20:45833 /21:54490 /22:115600 /23:110078 /24:637693
/25:586 /26:590 /27:1054 /28:67 /29:106 /30:20
/31:2 /32:850
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6617 7696 UNI2-AS, ES
8151 6513 12371 UNINET, MX
11492 3533 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2506 3358 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2320 13336 AMAZON-02, US
30036 2219 2559 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2381 2:1535 3:706 4:27 5:4993 6:162
7:6 8:1662 9:1 11:172 12:1369 13:384
14:2561 15:355 16:285 17:373 18:921 20:529
21:4 22:188 23:7592 24:2909 25:2 27:2818
29:19 31:3334 32:52 33:1 34:84 35:211
36:2785 37:4758 38:10443 39:910 40:171 41:4764
42:2017 43:2622 44:376 45:20125 46:5125 47:300
49:1949 50:1909 51:591 52:1587 54:304 55:1094
56:11 57:267 58:2300 59:1433 60:1164 61:3025
62:3048 63:1841 64:5530 65:2201 66:4764 67:3128
68:1155 69:4010 70:1106 71:644 72:2952 74:2818
75:1628 76:621 77:2844 78:4349 79:1786 80:2241
81:2238 82:3209 83:1475 84:1874 85:4414 86:1057
87:2429 88:3546 89:4536 90:777 91:8473 92:2735
93:2917 94:4109 95:5599 96:1477 97:326 98:983
99:677 100:72 101:1429 102:4439 103:32534 104:5031
105:2249 106:1034 107:2638 108:1232 109:4140 110:2245
111:3391 112:2082 113:1829 114:1990 115:2261 116:2105
117:2618 118:2906 119:1972 120:1923 121:1439 122:2783
123:2418 124:1688 125:2887 126:91 128:1620 129:1029
130:1339 131:2109 132:893 133:451 134:1545 135:377
136:1315 137:1182 138:3233 139:1644 140:1595 141:1506
142:1945 143:1830 144:1109 145:509 146:2186 147:2099
148:2624 149:2934 150:1257 151:1855 152:2110 153:564
154:8486 155:1706 156:3410 157:1924 158:1312 159:2450
160:3676 161:1906 162:3760 163:2171 164:1751 165:2240
166:1478 167:1934 168:4357 169:821 170:5563 171:1012
172:4435 173:3295 174:912 175:1306 176:3813 177:6169
178:3810 179:2747 180:2690 181:4242 182:3428 183:2088
184:2123 185:21860 186:5823 187:5082 188:4354 189:4663
190:9974 191:2074 192:11287 193:9556 194:7891 195:5697
196:3681 197:4004 198:6239 199:8534 200:8800 201:6617
202:10740 203:10737 204:4574 205:3655 206:4550 207:3600
208:4313 209:5303 210:4941 211:2646 212:4716 213:3835
214:1031 215:48 216:6820 217:3211 218:1402 219:551
220:2091 221:1081 222:849 223:2379
End of report
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