IPv4 R&E Routing Table Report 20:15 GMT Tue 10 Mar, 2026 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 289623 Prefixes after maximum aggregation (per Origin AS): 118108 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147272 Number of IPv4 prefixes with a valid ROA: 148454 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140955 Total ASes present in the Internet Routing Table: 20316 Prefixes per ASN: 14.26 Origin-only ASes present in the Internet Routing Table: 17447 Origin ASes announcing only one prefix: 7808 Transit ASes present in the Internet Routing Table: 2869 Transit-only ASes present in the Internet Routing Table: 732 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 258 Number of instances of unregistered ASNs: 287 Number of 32-bit ASNs allocated by the RIRs: 48988 Number of 32-bit ASNs visible in the Routing Table: 8266 Prefixes from 32-bit ASNs in the Routing Table: 34995 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 90 Number of addresses announced to Internet: 1626130373 Equivalent to 96 /8s, 236 /16s and 199 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 93128 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42451 Total APNIC prefixes after maximum aggregation: 8106 APNIC Deaggregation factor: 5.24 Prefixes being announced from the APNIC address blocks: 38888 Unique aggregates announced from the APNIC address blocks: 7764 APNIC Region origin ASes present in the Internet Routing Table: 1227 APNIC Prefixes per ASN: 31.69 APNIC Region origin ASes announcing only one prefix: 500 APNIC Region transit ASes present in the Internet Routing Table: 219 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 599 Number of APNIC addresses announced to Internet: 168599404 Equivalent to 10 /8s, 12 /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: 128562 Total ARIN prefixes after maximum aggregation: 65399 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125707 Unique aggregates announced from the ARIN address blocks: 70860 ARIN Region origin ASes present in the Internet Routing Table: 9010 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 3725 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2157 Number of ARIN addresses announced to Internet: 1022159401 Equivalent to 60 /8s, 236 /16s and 234 /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: 51058 Total RIPE prefixes after maximum aggregation: 25776 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54192 Unique aggregates announced from the RIPE address blocks: 37608 RIPE Region origin ASes present in the Internet Routing Table: 4455 RIPE Prefixes per ASN: 12.16 RIPE Region origin ASes announcing only one prefix: 1892 RIPE Region transit ASes present in the Internet Routing Table: 697 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1903 Number of RIPE addresses announced to Internet: 282641872 Equivalent to 16 /8s, 216 /16s and 197 /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: 57353 Total LACNIC prefixes after maximum aggregation: 16557 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55160 Unique aggregates announced from the LACNIC address blocks: 24214 LACNIC Region origin ASes present in the Internet Routing Table: 4498 LACNIC Prefixes per ASN: 12.26 LACNIC Region origin ASes announcing only one prefix: 1587 LACNIC Region transit ASes present in the Internet Routing Table: 888 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3457 Number of LACNIC addresses announced to Internet: 107044960 Equivalent to 6 /8s, 97 /16s and 96 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 9941 Total AfriNIC prefixes after maximum aggregation: 2074 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 15586 Unique aggregates announced from the AfriNIC address blocks: 6745 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 55.47 AfriNIC Region origin ASes announcing only one prefix: 104 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 150 Number of AfriNIC addresses announced to Internet: 45612544 Equivalent to 2 /8s, 183 /16s and 254 /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 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2342 147 482 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1060 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 704 1210 158 ALIBABA-CN-NET Alibaba US Technology Co., Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14492 41237 5569 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 6167 2016 4259 564 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1633 1332 743 DNIC-ASBLK-00306-00371 - United States De 209 1632 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1474 737 685 BRIGHTSPEED - Brightspeed, US 20057 1456 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4901 302 73 ALJAWWALSTC-AS, SA 20940 1308 101 1054 AKAMAI-ASN1, NL 25019 1268 1335 143 SAUDINETSTC-AS, SA 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 836 1841 19 TE-AS TE-AS, EG 212238 730 52 643 CDNEXT, GB 8376 670 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 527 98 446 OPENTRANSIT, FR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 6922 1845 815 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1511 211 1126 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1247 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2475 94 TIM SA, BR 18881 961 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 681 43 201 UFINET PANAMA S.A., PA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1532 524 27 RAYA-AS, EG 37069 1088 1100 11 MOBINIL, EG 24863 843 389 16 LINKdotNET-AS, EG 36914 555 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 36992 436 895 263 ETISALAT-MISR, EG 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 2018 375 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14492 41237 5569 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6922 1845 815 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 17561 2342 147 482 LCS-AS-AP LARUS Limited, HK 6167 2016 4259 564 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 6922 6107 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4777 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 17561 2342 1860 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1716 1666 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:31 /11:56 /12:160 /13:219 /14:583 /15:1077 /16:7522 /17:3519 /18:4220 /19:7737 /20:13619 /21:16104 /22:28795 /23:30082 /24:175586 /25:65 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3742 6922 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2591 14492 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1029 1474 BRIGHTSPEED - Brightspeed, US 36352 1029 2371 AS-COLOCROSSING - HostPapa, US 209 949 1632 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 923 1511 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:516 3:995 4:1 5:1152 6:183 7:5 8:619 9:7 11:172 12:858 13:593 14:129 15:400 16:152 17:3 18:912 20:342 21:4 22:188 23:2947 24:763 27:21 29:19 31:456 32:12 34:9 35:185 36:3350 37:629 38:2473 39:852 40:46 41:1078 42:22 43:217 44:26 45:4591 46:905 47:173 48:29 49:21 50:507 51:453 52:1108 54:273 55:1116 56:11 57:30 58:46 59:32 60:14 61:47 62:605 63:702 64:2218 65:973 66:2387 67:1113 68:490 69:1207 70:427 71:150 72:709 74:1010 75:271 76:234 77:446 78:555 79:250 80:325 81:416 82:831 83:198 84:336 85:599 86:249 87:193 88:279 89:567 90:102 91:926 92:668 93:879 94:967 95:1289 96:282 97:53 98:387 99:291 100:21 101:23 102:420 103:1248 104:1644 105:155 107:1756 108:501 109:365 110:51 111:2750 112:1307 113:33 114:39 115:7 116:57 117:1615 118:59 119:71 120:2020 121:35 122:43 123:107 124:62 125:23 126:1 128:593 129:420 130:732 131:1228 132:560 133:217 134:497 135:135 136:717 137:598 138:1030 139:475 140:774 141:421 142:1490 143:848 144:510 145:205 146:674 147:554 148:1018 149:751 150:242 151:910 152:786 153:294 154:2355 155:1009 156:2092 157:461 158:675 159:806 160:672 161:709 162:1032 163:423 164:730 165:636 166:571 167:720 168:1495 169:200 170:1889 171:103 172:1387 173:800 174:271 175:89 176:624 177:1024 178:632 179:906 180:36 181:2619 182:27 183:1694 184:443 185:3285 186:3534 187:1678 188:1035 189:1942 190:6280 191:571 192:5102 193:1722 194:1098 195:912 196:703 197:685 198:2674 199:2481 200:4442 201:3558 202:1015 203:730 204:2166 205:1807 206:1506 207:1702 208:1627 209:2067 210:320 211:513 212:1017 213:868 214:969 215:35 216:2472 217:545 218:655 219:18 220:28 221:537 222:30 223:1687 End of report