[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 30 22:46:54 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 30 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: 1032667
Prefixes after maximum aggregation (per Origin AS): 380748
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479236
Total ASes present in the Internet Routing Table: 76957
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66218
Origin ASes announcing only one prefix: 26381
Transit ASes present in the Internet Routing Table: 10739
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: 1109
Number of instances of unregistered ASNs: 1112
Number of 32-bit ASNs allocated by the RIRs: 46303
Number of 32-bit ASNs visible in the Routing Table: 38250
Prefixes from 32-bit ASNs in the Routing Table: 212634
Number of bogon 32-bit ASNs visible in the Routing Table: 69
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 479
Number of addresses announced to Internet: 3107533093
Equivalent to 185 /8s, 57 /16s and 49 /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: 349700
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265405
Total APNIC prefixes after maximum aggregation: 77370
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256484
Unique aggregates announced from the APNIC address blocks: 103332
APNIC Region origin ASes present in the Internet Routing Table: 14652
APNIC Prefixes per ASN: 17.51
APNIC Region origin ASes announcing only one prefix: 4459
APNIC Region transit ASes present in the Internet Routing Table: 1942
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: 10140
Number of APNIC addresses announced to Internet: 749362496
Equivalent to 44 /8s, 170 /16s and 93 /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: 297093
Total ARIN prefixes after maximum aggregation: 131168
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 297910
Unique aggregates announced from the ARIN address blocks: 138339
ARIN Region origin ASes present in the Internet Routing Table: 19256
ARIN Prefixes per ASN: 15.47
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1909
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: 5199
Number of ARIN addresses announced to Internet: 1348942080
Equivalent to 80 /8s, 103 /16s and 57 /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: 290747
Total RIPE prefixes after maximum aggregation: 135075
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288342
Unique aggregates announced from the RIPE address blocks: 174266
RIPE Region origin ASes present in the Internet Routing Table: 28972
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12024
RIPE Region transit ASes present in the Internet Routing Table: 3888
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: 731778149
Equivalent to 43 /8s, 158 /16s and 12 /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: 138862
Total LACNIC prefixes after maximum aggregation: 29611
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135538
Unique aggregates announced from the LACNIC address blocks: 48935
LACNIC Region origin ASes present in the Internet Routing Table: 11235
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: 2459
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: 9179
Number of LACNIC addresses announced to Internet: 171841664
Equivalent to 10 /8s, 62 /16s and 24 /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: 39451
Total AfriNIC prefixes after maximum aggregation: 6876
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 53912
Unique aggregates announced from the AfriNIC address blocks: 13971
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.98
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291
Number of AfriNIC addresses announced to Internet: 105384448
Equivalent to 6 /8s, 72 /16s and 10 /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 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4333 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3678 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3283 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2863 851 537 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 13267 39701 4191 AMAZON-02, US
174 5662 8756 933 COGENT-174, US
11492 4702 312 599 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3399 3050 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54863 2504 DNIC-AS-00749, US
16625 3121 1316 2259 AKAMAI-AS, US
396982 2967 3651 475 GOOGLE-CLOUD-PLATFORM, US
36352 2749 226 842 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 9753 1296 1077 TTNET, TR
12479 7701 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4073 3396 140 AKAMAI-ASN1, NL
9009 3802 329 1980 M247, RO
12389 3075 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2117 150 1558 CDNEXT, GB
8452 1941 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 12321 3259 695 UNINET, MX
10620 3520 485 995 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 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 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 1056 70 377 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 1651 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1594 102 22 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1278 200 335 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 13267 39701 4191 AMAZON-02, US
8151 12321 3259 695 UNINET, MX
9808 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7701 1714 148 UNI2-AS, ES
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5662 8756 933 COGENT-174, US
4538 4863 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4702 312 599 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 12321 11626 UNINET, MX
9808 10456 10361 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7701 7553 UNI2-AS, ES
7545 6216 5560 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4786 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5662 4729 COGENT-174, US
18403 4255 4230 FPT-AS-AP FPT Telecom Company, VN
11492 4702 4103 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 /15:2199 /16:14039 /17:8453 /18:14237
/19:25355 /20:45788 /21:54494 /22:115577 /23:109979 /24:637003
/25:583 /26:591 /27:1060 /28:67 /29:105 /30:20
/31:2 /32:832
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8832 9753 TTNET, TR
12479 6623 7701 UNI2-AS, ES
8151 6474 12321 UNINET, MX
11492 3529 4702 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2538 3399 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2356 13267 AMAZON-02, US
30036 2229 2569 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2379 2:1532 3:642 4:25 5:5001 6:163
7:6 8:1664 9:1 10:1 11:172 12:1369
13:358 14:2560 15:355 16:282 17:369 18:919
20:524 21:4 22:188 23:7558 24:2907 25:2
27:2807 29:19 31:3307 32:51 34:84 35:211
36:2514 37:4813 38:10429 39:908 40:169 41:4756
42:1917 43:2638 44:381 45:20093 46:5112 47:298
49:1950 50:1911 51:590 52:1584 54:299 55:1085
56:11 57:265 58:2286 59:1431 60:1169 61:3025
62:3050 63:1844 64:5533 65:2205 66:4734 67:3123
68:1167 69:4006 70:1113 71:634 72:2957 74:2817
75:1626 76:618 77:2840 78:4356 79:1779 80:2240
81:2236 82:3250 83:1476 84:1870 85:4393 86:1058
87:2420 88:3543 89:4507 90:785 91:8466 92:2738
93:2924 94:4156 95:5608 96:1469 97:322 98:997
99:670 100:72 101:1424 102:4406 103:32585 104:4851
105:2232 106:1045 107:2641 108:1218 109:4135 110:2245
111:3365 112:2073 113:1829 114:1985 115:2263 116:2100
117:2742 118:2898 119:1971 120:1914 121:1441 122:2780
123:2412 124:1688 125:2888 126:91 128:1624 129:1009
130:1344 131:2093 132:894 133:450 134:1547 135:377
136:1312 137:1181 138:3228 139:1627 140:1586 141:1496
142:1950 143:1780 144:1102 145:507 146:2184 147:2102
148:2691 149:2967 150:1262 151:1807 152:2123 153:562
154:8635 155:1662 156:3474 157:1919 158:1299 159:2444
160:3693 161:1917 162:3771 163:2125 164:1755 165:2240
166:1456 167:1920 168:4357 169:821 170:5540 171:1012
172:4437 173:3287 174:910 175:1308 176:3804 177:6109
178:3880 179:3006 180:2670 181:4233 182:3394 183:2054
184:2152 185:21843 186:5773 187:5102 188:4338 189:4667
190:9851 191:2061 192:11279 193:9527 194:7896 195:5692
196:3695 197:3971 198:6250 199:8536 200:8769 201:6600
202:10857 203:10751 204:4581 205:3664 206:4679 207:3584
208:4253 209:5291 210:4898 211:2637 212:4708 213:3843
214:1029 215:48 216:6793 217:3214 218:1390 219:551
220:2092 221:1059 222:856 223:2368
End of report
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