IPv4 R&E Routing Table Report 20:15 GMT Sun 01 Feb, 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: 287328 Prefixes after maximum aggregation (per Origin AS): 117931 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 147895 Number of IPv4 prefixes with a valid ROA: 145576 Number of IPv4 prefixes with an invalid ROA: 209 Number of IPv4 prefixes with no ROA: 141543 Total ASes present in the Internet Routing Table: 20285 Prefixes per ASN: 14.16 Origin-only ASes present in the Internet Routing Table: 17482 Origin ASes announcing only one prefix: 7883 Transit ASes present in the Internet Routing Table: 2803 Transit-only ASes present in the Internet Routing Table: 697 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: 31 Max AS path prepend of ASN (264732) 23 Prefixes from unregistered ASNs in the Routing Table: 241 Number of instances of unregistered ASNs: 270 Number of 32-bit ASNs allocated by the RIRs: 48552 Number of 32-bit ASNs visible in the Routing Table: 8212 Prefixes from 32-bit ASNs in the Routing Table: 34074 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: 93 Number of addresses announced to Internet: 1611728325 Equivalent to 96 /8s, 17 /16s and 5 /24s Percentage of available address space announced: 43.5 Percentage of allocated address space announced: 43.5 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: 92316 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43101 Total APNIC prefixes after maximum aggregation: 8865 APNIC Deaggregation factor: 4.86 Prefixes being announced from the APNIC address blocks: 40111 Unique aggregates announced from the APNIC address blocks: 9122 APNIC Region origin ASes present in the Internet Routing Table: 1285 APNIC Prefixes per ASN: 31.21 APNIC Region origin ASes announcing only one prefix: 552 APNIC Region transit ASes present in the Internet Routing Table: 225 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: 609 Number of APNIC addresses announced to Internet: 170786668 Equivalent to 10 /8s, 45 /16s and 255 /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: 126627 Total ARIN prefixes after maximum aggregation: 64758 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124164 Unique aggregates announced from the ARIN address blocks: 70655 ARIN Region origin ASes present in the Internet Routing Table: 9095 ARIN Prefixes per ASN: 13.65 ARIN Region origin ASes announcing only one prefix: 3767 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2183 Number of ARIN addresses announced to Internet: 1008206121 Equivalent to 60 /8s, 24 /16s and 1 /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: 51375 Total RIPE prefixes after maximum aggregation: 25919 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54086 Unique aggregates announced from the RIPE address blocks: 37309 RIPE Region origin ASes present in the Internet Routing Table: 4422 RIPE Prefixes per ASN: 12.23 RIPE Region origin ASes announcing only one prefix: 1876 RIPE Region transit ASes present in the Internet Routing Table: 670 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: 1866 Number of RIPE addresses announced to Internet: 280799952 Equivalent to 16 /8s, 188 /16s and 170 /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: 55434 Total LACNIC prefixes after maximum aggregation: 15894 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 53281 Unique aggregates announced from the LACNIC address blocks: 23635 LACNIC Region origin ASes present in the Internet Routing Table: 4376 LACNIC Prefixes per ASN: 12.18 LACNIC Region origin ASes announcing only one prefix: 1577 LACNIC Region transit ASes present in the Internet Routing Table: 862 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3394 Number of LACNIC addresses announced to Internet: 105983328 Equivalent to 6 /8s, 81 /16s and 45 /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: 10550 Total AfriNIC prefixes after maximum aggregation: 2304 AfriNIC Deaggregation factor: 4.58 Prefixes being announced from the AfriNIC address blocks: 15593 Unique aggregates announced from the AfriNIC address blocks: 7091 AfriNIC Region origin ASes present in the Internet Routing Table: 299 AfriNIC Prefixes per ASN: 52.15 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 83 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 160 Number of AfriNIC addresses announced to Internet: 45811200 Equivalent to 2 /8s, 187 /16s and 6 /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 13435 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3361 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 1884 118 437 LCS-AS-AP LARUS Limited, HK 56041 1765 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1057 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 909 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 902 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 772 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 689 1168 151 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 14092 38819 5517 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2581 212 1012 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1904 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1701 1495 780 DNIC-ASBLK-00306-00371 - United States De 209 1637 4882 262 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1479 732 687 BRIGHTSPEED - Brightspeed, US 20057 1445 1017 112 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 71 ALJAWWALSTC-AS, SA 20940 1243 95 1012 AKAMAI-ASN1, NL 25019 1145 1335 138 SAUDINETSTC-AS, SA 34984 979 150 736 TELLCOM-AS, TR 3215 900 4820 300 France Telecom - Orange, FR 8452 895 1841 17 TE-AS TE-AS, EG 212238 701 49 616 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 550 53 25 Jordan Data Communications, JO 5511 530 98 450 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 6855 1817 786 UNINET, MX 11830 1990 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1410 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1256 371 22 INTEGRATEL PERU S.A.A., PE 26615 1013 2486 57 TIM SA, BR 18881 915 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 682 164 24 America Movil Peru S.A.C., PE 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 1436 463 90 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 947 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 561 82 3 KENET-AS, KE 36935 510 515 10 Vodafone-, EG 36903 502 239 334 MT-MPLS, MA 29571 420 78 20 ORANGE-COTE-IVOIRE, CI 36992 385 870 245 ETISALAT-MISR, EG 2018 374 318 69 TENET-1, ZA 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 14092 38819 5517 AMAZON-02 - Amazon.com, Inc., US 9808 13435 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6855 1817 786 UNINET, MX 39891 4901 302 71 ALJAWWALSTC-AS, SA 22773 4776 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3361 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2581 212 1012 AS-COLOCROSSING - HostPapa, US 11830 1990 369 65 Instituto Costarricense de Electricidad y 6167 1974 4173 531 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 13435 13315 CHINAMOBILE-CN China Mobile Communications Grou 8151 6855 6069 UNINET, MX 39891 4901 4830 ALJAWWALSTC-AS, SA 22773 4776 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3361 3166 CMNET-JIANGSU-AP China Mobile communications co 11830 1990 1925 Instituto Costarricense de Electricidad y Telec 11776 1904 1691 ATLANTICBB-JOHNSTOWN - Breezeline, US 56041 1765 1686 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1716 1666 CMNET-HUNAN-AP China Mobile communications corp 36352 2581 1569 AS-COLOCROSSING - HostPapa, US 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 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 26295 UNALLOCATED 12.110.210.0/23 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 23.155.185.0/24 Origin: 401541 OSIE - Osie, US 23.155.185.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, US 23.157.217.0/24 Origin: 401541 OSIE - Osie, US 23.157.217.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, 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 /11:52 /12:159 /13:213 /14:575 /15:1064 /16:7484 /17:3473 /18:4162 /19:7596 /20:13272 /21:16193 /22:28449 /23:29461 /24:174888 /25:61 /26:80 /27:50 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3680 6855 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3050 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2509 14092 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1990 Instituto Costarricense de Electricidad y Telecom., CR 36352 1094 2581 AS-COLOCROSSING - HostPapa, US 11664 1092 1410 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1045 1479 BRIGHTSPEED - Brightspeed, US 209 951 1637 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 932 1520 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 2:462 3:978 4:5 5:1167 6:172 7:5 8:640 9:6 11:172 12:880 13:561 14:180 15:362 16:154 17:3 18:911 20:204 21:4 22:188 23:2871 24:665 27:47 29:19 31:513 32:13 34:7 35:182 36:3333 37:628 38:2338 39:841 40:252 41:1130 42:22 43:206 44:29 45:4381 46:940 47:166 48:20 49:21 50:481 51:522 52:1078 54:231 55:1120 56:11 57:32 58:44 59:43 60:73 61:63 62:599 63:723 64:2163 65:976 66:2382 67:1073 68:493 69:1210 70:434 71:154 72:709 74:977 75:292 76:225 77:399 78:592 79:229 80:355 81:426 82:810 83:210 84:341 85:640 86:236 87:206 88:281 89:701 90:104 91:888 92:683 93:882 94:987 95:1307 96:283 97:45 98:387 99:270 100:22 101:18 102:504 103:1237 104:1641 105:122 106:3 107:1739 108:516 109:364 110:104 111:2771 112:1302 113:34 114:35 115:54 116:57 117:1557 118:65 119:92 120:2011 121:36 122:72 123:125 124:69 125:49 128:612 129:367 130:710 131:1180 132:554 133:218 134:504 135:136 136:738 137:605 138:983 139:451 140:757 141:515 142:1462 143:848 144:485 145:199 146:688 147:466 148:999 149:739 150:229 151:897 152:698 153:272 154:2163 155:1020 156:1956 157:475 158:646 159:835 160:636 161:722 162:988 163:419 164:733 165:617 166:560 167:714 168:1457 169:205 170:1805 171:102 172:1587 173:785 174:271 175:94 176:658 177:928 178:646 179:859 180:51 181:2556 182:22 183:1694 184:436 185:3343 186:3432 187:1652 188:1065 189:1875 190:5948 191:543 192:5120 193:1683 194:1105 195:910 196:698 197:1090 198:2668 199:2457 200:4446 201:3513 202:1105 203:821 204:2191 205:1789 206:1470 207:1708 208:1685 209:1972 210:442 211:518 212:1047 213:885 214:987 215:43 216:2450 217:548 218:653 219:29 220:82 221:535 222:37 223:1672 End of report