[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 8 22:47:20 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 08 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: 1033182
Prefixes after maximum aggregation (per Origin AS): 381737
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479732
Total ASes present in the Internet Routing Table: 76973
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66242
Origin ASes announcing only one prefix: 26377
Transit ASes present in the Internet Routing Table: 10731
Transit-only ASes present in the Internet Routing Table: 545
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: 1071
Number of instances of unregistered ASNs: 1074
Number of 32-bit ASNs allocated by the RIRs: 46364
Number of 32-bit ASNs visible in the Routing Table: 38272
Prefixes from 32-bit ASNs in the Routing Table: 213292
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: 470
Number of addresses announced to Internet: 3111992613
Equivalent to 185 /8s, 125 /16s and 61 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 349590
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265637
Total APNIC prefixes after maximum aggregation: 77490
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256751
Unique aggregates announced from the APNIC address blocks: 103296
APNIC Region origin ASes present in the Internet Routing Table: 14648
APNIC Prefixes per ASN: 17.53
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1935
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: 10139
Number of APNIC addresses announced to Internet: 749470272
Equivalent to 44 /8s, 172 /16s and 2 /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: 297281
Total ARIN prefixes after maximum aggregation: 131761
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 298176
Unique aggregates announced from the ARIN address blocks: 138597
ARIN Region origin ASes present in the Internet Routing Table: 19268
ARIN Prefixes per ASN: 15.48
ARIN Region origin ASes announcing only one prefix: 7029
ARIN Region transit ASes present in the Internet Routing Table: 1915
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: 5211
Number of ARIN addresses announced to Internet: 1353315328
Equivalent to 80 /8s, 169 /16s and 244 /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: 290896
Total RIPE prefixes after maximum aggregation: 135283
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288484
Unique aggregates announced from the RIPE address blocks: 174525
RIPE Region origin ASes present in the Internet Routing Table: 28970
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12016
RIPE Region transit ASes present in the Internet Routing Table: 3877
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12441
Number of RIPE addresses announced to Internet: 731723877
Equivalent to 43 /8s, 157 /16s and 56 /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: 138821
Total LACNIC prefixes after maximum aggregation: 29668
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135350
Unique aggregates announced from the LACNIC address blocks: 48976
LACNIC Region origin ASes present in the Internet Routing Table: 11240
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2227
LACNIC Region transit ASes present in the Internet Routing Table: 2475
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: 9194
Number of LACNIC addresses announced to Internet: 171876736
Equivalent to 10 /8s, 62 /16s and 161 /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: 39476
Total AfriNIC prefixes after maximum aggregation: 6892
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 53950
Unique aggregates announced from the AfriNIC address blocks: 13951
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: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 363
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: 105382144
Equivalent to 6 /8s, 72 /16s and 1 /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 10797 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4367 533 299 BBIL-AP BHARTI Airtel Ltd., IN
18403 4341 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3286 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 13351 40826 4658 AMAZON-02, US
174 5514 8750 898 COGENT-174, US
11492 4725 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3360 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3151 3851 413 GOOGLE-CLOUD-PLATFORM, US
16625 3147 1318 2267 AKAMAI-AS, US
36352 2779 228 850 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 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4077 3396 140 AKAMAI-ASN1, NL
9009 3820 330 1986 M247, RO
12389 3074 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2138 151 1579 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 12358 3265 683 UNINET, MX
10620 3533 486 993 Telmex Colombia S.A., CO
13999 2511 540 362 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1101 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1599 103 23 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 13351 40826 4658 AMAZON-02, US
8151 12358 3265 683 UNINET, MX
9808 10797 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7697 1714 148 UNI2-AS, ES
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5514 8750 898 COGENT-174, US
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4725 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 12358 11675 UNINET, MX
9808 10797 10699 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7697 7549 UNI2-AS, ES
7545 6216 5560 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 5514 4616 COGENT-174, US
18403 4341 4316 FPT-AS-AP FPT Telecom Company, VN
11492 4725 4133 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
/13:583 /14:1233 /15:2201 /16:14103 /17:8444 /18:14215
/19:25357 /20:45827 /21:54443 /22:115607 /23:110015 /24:637419
/25:586 /26:589 /27:1053 /28:67 /29:106 /30:20
/31:2 /32:845
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6618 7697 UNI2-AS, ES
8151 6501 12358 UNINET, MX
11492 3533 4725 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2508 3360 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2318 13351 AMAZON-02, US
30036 2220 2560 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2382 2:1535 3:705 4:26 5:5003 6:162
7:6 8:1664 9:1 11:172 12:1371 13:377
14:2562 15:356 16:283 17:374 18:922 20:529
21:4 22:188 23:7585 24:2909 25:2 27:2806
29:19 31:3328 32:52 33:1 34:84 35:211
36:2782 37:4760 38:10446 39:910 40:167 41:4752
42:1981 43:2616 44:377 45:20128 46:5118 47:298
49:1951 50:1907 51:591 52:1587 54:305 55:1095
56:11 57:265 58:2292 59:1434 60:1166 61:3028
62:3058 63:1840 64:5528 65:2188 66:4759 67:3128
68:1152 69:4005 70:1106 71:636 72:2952 74:2814
75:1628 76:620 77:2841 78:4353 79:1781 80:2241
81:2240 82:3209 83:1477 84:1873 85:4410 86:1058
87:2425 88:3547 89:4534 90:777 91:8468 92:2734
93:2921 94:4106 95:5601 96:1476 97:326 98:983
99:673 100:72 101:1429 102:4438 103:32530 104:4854
105:2236 106:1034 107:2639 108:1232 109:4142 110:2243
111:3391 112:2082 113:1829 114:1987 115:2261 116:2104
117:2621 118:2906 119:1972 120:1922 121:1439 122:2783
123:2419 124:1691 125:2886 126:91 128:1615 129:1030
130:1336 131:2105 132:893 133:451 134:1548 135:377
136:1313 137:1181 138:3230 139:1632 140:1593 141:1503
142:1946 143:1830 144:1106 145:509 146:2187 147:2102
148:2696 149:2944 150:1259 151:1853 152:2110 153:560
154:8572 155:1709 156:3423 157:1930 158:1312 159:2451
160:3693 161:1905 162:3756 163:2158 164:1760 165:2243
166:1475 167:1923 168:4369 169:815 170:5550 171:1012
172:4429 173:3292 174:912 175:1306 176:3806 177:6129
178:3815 179:2748 180:2689 181:4245 182:3425 183:2088
184:2120 185:21864 186:5809 187:5062 188:4349 189:4657
190:9967 191:2079 192:11288 193:9551 194:7893 195:5697
196:3680 197:4006 198:6258 199:8528 200:8766 201:6554
202:10730 203:10754 204:4574 205:3682 206:4676 207:3596
208:4305 209:5296 210:4903 211:2638 212:4716 213:3839
214:1029 215:48 216:6813 217:3208 218:1400 219:551
220:2096 221:1079 222:847 223:2375
End of report
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