[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jan 13 22:46:50 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 13 Jan, 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: 1027965
Prefixes after maximum aggregation (per Origin AS): 374490
Deaggregation factor: 2.74
Unique aggregates announced (without unneeded subnets): 469834
Total ASes present in the Internet Routing Table: 76638
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 65941
Origin ASes announcing only one prefix: 26225
Transit ASes present in the Internet Routing Table: 10697
Transit-only ASes present in the Internet Routing Table: 518
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1134
Number of instances of unregistered ASNs: 1141
Number of 32-bit ASNs allocated by the RIRs: 46033
Number of 32-bit ASNs visible in the Routing Table: 37677
Prefixes from 32-bit ASNs in the Routing Table: 208180
Number of bogon 32-bit ASNs visible in the Routing Table: 74
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 539
Number of addresses announced to Internet: 3125805674
Equivalent to 186 /8s, 80 /16s and 2 /24s
Percentage of available address space announced: 84.4
Percentage of allocated address space announced: 84.4
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: 345648
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265968
Total APNIC prefixes after maximum aggregation: 76796
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257611
Unique aggregates announced from the APNIC address blocks: 102257
APNIC Region origin ASes present in the Internet Routing Table: 14517
APNIC Prefixes per ASN: 17.75
APNIC Region origin ASes announcing only one prefix: 4421
APNIC Region transit ASes present in the Internet Routing Table: 1921
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 46
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9964
Number of APNIC addresses announced to Internet: 762401088
Equivalent to 45 /8s, 113 /16s and 81 /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, 131072-153913
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: 296165
Total ARIN prefixes after maximum aggregation: 128196
ARIN Deaggregation factor: 2.31
Prefixes being announced from the ARIN address blocks: 297682
Unique aggregates announced from the ARIN address blocks: 132498
ARIN Region origin ASes present in the Internet Routing Table: 19223
ARIN Prefixes per ASN: 15.49
ARIN Region origin ASes announcing only one prefix: 6973
ARIN Region transit ASes present in the Internet Routing Table: 1924
Average ARIN Region AS path length visible: 2.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5107
Number of ARIN addresses announced to Internet: 1347658182
Equivalent to 80 /8s, 83 /16s and 161 /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: 288096
Total RIPE prefixes after maximum aggregation: 132788
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 284864
Unique aggregates announced from the RIPE address blocks: 170609
RIPE Region origin ASes present in the Internet Routing Table: 28869
RIPE Prefixes per ASN: 9.87
RIPE Region origin ASes announcing only one prefix: 12042
RIPE Region transit ASes present in the Internet Routing Table: 3848
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12213
Number of RIPE addresses announced to Internet: 733135636
Equivalent to 43 /8s, 178 /16s and 195 /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: 138375
Total LACNIC prefixes after maximum aggregation: 29249
LACNIC Deaggregation factor: 4.73
Prefixes being announced from the LACNIC address blocks: 135884
Unique aggregates announced from the LACNIC address blocks: 48991
LACNIC Region origin ASes present in the Internet Routing Table: 11193
LACNIC Prefixes per ASN: 12.14
LACNIC Region origin ASes announcing only one prefix: 2149
LACNIC Region transit ASes present in the Internet Routing Table: 2481
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: 9120
Number of LACNIC addresses announced to Internet: 177609600
Equivalent to 10 /8s, 150 /16s and 27 /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: 38220
Total AfriNIC prefixes after maximum aggregation: 6757
AfriNIC Deaggregation factor: 5.66
Prefixes being announced from the AfriNIC address blocks: 51383
Unique aggregates announced from the AfriNIC address blocks: 15038
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 26.79
AfriNIC Region origin ASes announcing only one prefix: 640
AfriNIC Region transit ASes present in the Internet Routing Table: 362
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: 1273
Number of AfriNIC addresses announced to Internet: 104730368
Equivalent to 6 /8s, 62 /16s and 15 /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 10296 8921 124 CHINAMOBILE-CN China Mobile Communication
7545 6198 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4943 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4375 347 23 FPT-AS-AP FPT Telecom Company, VN
9498 4085 525 276 BBIL-AP BHARTI Airtel Ltd., IN
7552 3917 1331 25 VIETEL-AS-AP Viettel Group, VN
45899 3896 1890 50 VNPT-AS-VN VNPT Corp, VN
7713 3677 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2822 846 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2235 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 12603 38898 3301 AMAZON-02, US
174 6103 8763 881 COGENT-174, US
11492 4692 312 555 CABLEONE, US
7155 4175 287 85 VIASAT-SP-BACKBONE, US
6327 3615 1320 79 SHAW, CA
22773 3411 3049 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
2152 3162 508 130 CENIC-2152, US
16625 3030 1311 2193 AKAMAI-AS, US
396982 2900 3657 444 GOOGLE-CLOUD-PLATFORM, 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 9649 1282 1365 TTNET, TR
12479 7666 1709 143 UNI2-AS, ES
39891 4750 290 62 ALJAWWALSTC-AS, SA
20940 4048 3396 141 AKAMAI-ASN1, NL
9009 3754 322 1904 M247, RO
12389 2980 2301 888 ROSTELECOM-AS, RU
34984 2417 363 569 TELLCOM-AS, TR
8452 1942 1852 14 TE-AS TE-AS, EG
212238 1896 135 1400 CDNEXT, GB
5384 1772 585 30 EMIRATES-INTERNET Emirates Internet, AE
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 11881 3246 709 UNINET, MX
10620 3538 491 953 Telmex Colombia S.A., CO
13999 2538 538 368 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1577 2374 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1170 374 163 Axtel, S.A.B. de C.V., MX
28202 1125 52 9 Rede Brasileira de Comunicacao SA, BR
6147 1115 371 22 Telefonica del Peru S.A.A., PE
22884 1074 98 371 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 1671 593 29 RAYA-AS, EG
24863 1648 389 18 LINKdotNET-AS, EG
37457 1634 316 32 Telkom-Internet, ZA
29571 1583 100 96 ORANGE-COTE-IVOIRE, CI
36992 1425 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
20011 1236 193 304 INTERNET-SOLUTIONS, ZA
36935 1001 521 42 Vodafone-, EG
37069 832 1083 15 MOBINIL, EG
6713 557 1861 35 IAM-AS, MA
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 12603 38898 3301 AMAZON-02, US
8151 11881 3246 709 UNINET, MX
9808 10296 8921 124 CHINAMOBILE-CN China Mobile Communication
47331 9649 1282 1365 TTNET, TR
12479 7666 1709 143 UNI2-AS, ES
7545 6198 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU
174 6103 8763 881 COGENT-174, US
4538 4943 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4750 290 62 ALJAWWALSTC-AS, SA
11492 4692 312 555 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 11881 11172 UNINET, MX
9808 10296 10172 CHINAMOBILE-CN China Mobile Communications Grou
47331 9649 8284 TTNET, TR
12479 7666 7523 UNI2-AS, ES
7545 6198 5533 TPG-INTERNET-AP TPG Telecom Limited, AU
174 6103 5222 COGENT-174, US
4538 4943 4866 ERX-CERNET-BKB China Education and Research Net
39891 4750 4688 ALJAWWALSTC-AS, SA
18403 4375 4352 FPT-AS-AP FPT Telecom Company, VN
11492 4692 4137 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
400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
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
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
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
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
100.80.0.0/24 60478 KSYS, CH
100.126.255.172/30 13979 ATT-IPFR, US
100.126.255.176/30 13979 ATT-IPFR, US
100.126.255.180/30 13979 ATT-IPFR, US
100.126.255.184/30 13979 ATT-IPFR, US
100.127.255.0/26 64510 RESERVED, ZZ
100.127.255.64/28 64510 RESERVED, ZZ
100.127.255.80/28 64510 RESERVED, ZZ
100.127.255.128/26 64511 RESERVED, ZZ
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
23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA
23.132.192.0/24 Transit: 6939 HURRICANE, US
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.140.176.0/24 Origin: 40676 AS40676, US
23.140.176.0/24 Transit: 18106 VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG
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 /10:42 /11:93 /12:312
/13:594 /14:1242 /15:2217 /16:14173 /17:8565 /18:14740
/19:25639 /20:46242 /21:55107 /22:116280 /23:110069 /24:626447
/25:651 /26:652 /27:1187 /28:222 /29:378 /30:249
/31:1251 /32:1580
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8735 9649 TTNET, TR
12479 6631 7666 UNI2-AS, ES
8151 6030 11881 UNINET, MX
11492 3554 4692 CABLEONE, US
39891 3441 4750 ALJAWWALSTC-AS, SA
6327 3410 3615 SHAW, CA
7155 3123 4175 VIASAT-SP-BACKBONE, US
22773 2544 3411 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2250 12603 AMAZON-02, US
30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2325 2:1666 3:547 4:25 5:4824 6:165
7:6 8:1645 9:1 10:1 11:172 12:1392
13:356 14:2526 15:334 16:270 17:361 18:905
20:459 21:4 22:188 23:7275 24:2766 25:2
27:2730 29:19 31:3135 32:56 34:73 35:184
36:2427 37:4652 38:10446 39:884 40:154 41:4710
42:2011 43:2565 44:346 45:19712 46:5016 47:295
49:2019 50:1883 51:587 52:1601 54:307 55:1026
56:8 57:245 58:2302 59:1254 60:1160 61:2982
62:3020 63:1856 64:5451 65:2233 66:4742 67:3084
68:1236 69:4031 70:1130 71:615 72:2938 74:2820
75:1642 76:638 77:2719 78:4223 79:1732 80:2257
81:2208 82:1903 83:1452 84:1821 85:4208 86:992
87:2439 88:3422 89:4457 90:758 91:8450 92:2776
93:2866 94:3923 95:5398 96:1269 97:320 98:1005
99:736 100:72 101:1390 102:4073 103:32595 104:4585
105:2163 106:1015 107:2619 108:1193 109:4118 110:2269
111:3368 112:2065 113:1815 114:1951 115:2256 116:2060
117:2745 118:2893 119:2023 120:1900 121:1435 122:2873
123:2196 124:1692 125:2899 126:62 128:1689 129:1022
130:1294 131:2032 132:924 133:450 134:1520 135:372
136:1324 137:1166 138:3248 139:1579 140:1519 141:1470
142:1856 143:1710 144:1040 145:472 146:2155 147:2045
148:2603 149:2925 150:1205 151:1615 152:2144 153:569
154:8191 155:1557 156:3412 157:1909 158:1262 159:2442
160:3587 161:1832 162:3669 163:1801 164:1746 165:2205
166:1343 167:1898 168:4403 169:821 170:5503 171:1005
172:4062 173:3197 174:918 175:1286 176:3702 177:6264
178:3915 179:2672 180:2620 181:4154 182:3356 183:2070
184:2276 185:21644 186:5730 187:4934 188:4364 189:4493
190:9922 191:2086 192:11285 193:9385 194:7784 195:5566
196:3485 197:3795 198:6185 199:8328 200:8777 201:6575
202:10852 203:10738 204:4627 205:3738 206:4716 207:3633
208:4237 209:5218 210:4897 211:2625 212:4614 213:3867
214:1051 215:48 216:6690 217:3153 218:1391 219:551
220:2110 221:1053 222:853 223:2322
End of report
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