IPv4 R&E Routing Table Report 20:15 GMT Fri 17 Apr, 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: 291096 Prefixes after maximum aggregation (per Origin AS): 118420 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147794 Number of IPv4 prefixes with a valid ROA: 149902 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140983 Total ASes present in the Internet Routing Table: 20246 Prefixes per ASN: 14.38 Origin-only ASes present in the Internet Routing Table: 17391 Origin ASes announcing only one prefix: 7814 Transit ASes present in the Internet Routing Table: 2855 Transit-only ASes present in the Internet Routing Table: 709 Paths with bogon ASNs present in the IPv4 Routing Table: 11 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: 230 Number of instances of unregistered ASNs: 259 Number of 32-bit ASNs allocated by the RIRs: 49347 Number of 32-bit ASNs visible in the Routing Table: 8274 Prefixes from 32-bit ASNs in the Routing Table: 35110 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 113 Number of addresses announced to Internet: 1620820005 Equivalent to 96 /8s, 155 /16s and 192 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 94768 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42277 Total APNIC prefixes after maximum aggregation: 7868 APNIC Deaggregation factor: 5.37 Prefixes being announced from the APNIC address blocks: 39118 Unique aggregates announced from the APNIC address blocks: 7615 APNIC Region origin ASes present in the Internet Routing Table: 1186 APNIC Prefixes per ASN: 32.98 APNIC Region origin ASes announcing only one prefix: 477 APNIC Region transit ASes present in the Internet Routing Table: 201 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 571 Number of APNIC addresses announced to Internet: 168462700 Equivalent to 10 /8s, 10 /16s and 137 /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: 128478 Total ARIN prefixes after maximum aggregation: 65584 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125786 Unique aggregates announced from the ARIN address blocks: 71420 ARIN Region origin ASes present in the Internet Routing Table: 8922 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 3695 ARIN Region transit ASes present in the Internet Routing Table: 837 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: 2148 Number of ARIN addresses announced to Internet: 1018099497 Equivalent to 60 /8s, 174 /16s and 247 /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, 393216-404380 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: 52019 Total RIPE prefixes after maximum aggregation: 25788 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55273 Unique aggregates announced from the RIPE address blocks: 37615 RIPE Region origin ASes present in the Internet Routing Table: 4527 RIPE Prefixes per ASN: 12.21 RIPE Region origin ASes announcing only one prefix: 1938 RIPE Region transit ASes present in the Internet Routing Table: 711 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1941 Number of RIPE addresses announced to Internet: 283634896 Equivalent to 16 /8s, 231 /16s and 236 /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: 58410 Total LACNIC prefixes after maximum aggregation: 16558 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55833 Unique aggregates announced from the LACNIC address blocks: 24334 LACNIC Region origin ASes present in the Internet Routing Table: 4502 LACNIC Prefixes per ASN: 12.40 LACNIC Region origin ASes announcing only one prefix: 1592 LACNIC Region transit ASes present in the Internet Routing Table: 907 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: 3461 Number of LACNIC addresses announced to Internet: 106834624 Equivalent to 6 /8s, 94 /16s and 42 /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: 9682 Total AfriNIC prefixes after maximum aggregation: 2448 AfriNIC Deaggregation factor: 3.96 Prefixes being announced from the AfriNIC address blocks: 14973 Unique aggregates announced from the AfriNIC address blocks: 6724 AfriNIC Region origin ASes present in the Internet Routing Table: 278 AfriNIC Prefixes per ASN: 53.86 AfriNIC Region origin ASes announcing only one prefix: 112 AfriNIC Region transit ASes present in the Internet Routing Table: 76 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 153 Number of AfriNIC addresses announced to Internet: 43711488 Equivalent to 2 /8s, 154 /16s and 252 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13648 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2121 133 448 LCS-AS-AP LARUS Limited, HK 56041 1816 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1715 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 928 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 821 1239 164 ALIBABA-CN-NET Alibaba US Technology Co., 24445 783 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14724 41275 5672 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2414 197 1114 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1623 4848 256 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1578 1304 721 DNIC-ASBLK-00306-00371 - United States De 19901 1466 731 677 BRIGHTSPEED - Brightspeed, US 20057 1460 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1483 1334 138 SAUDINETSTC-AS, SA 20940 1275 99 1034 AKAMAI-ASN1, NL 34984 1072 147 748 TELLCOM-AS, TR 8452 927 1841 19 TE-AS TE-AS, EG 3215 905 4832 302 France Telecom - Orange, FR 8376 668 54 29 UNASSIGNED 212238 628 45 558 CDNEXT, GB 35819 601 612 66 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 CONTABO, DE 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 7369 1947 796 UNINET, MX 11830 1931 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1435 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1246 371 22 INTEGRATEL PERU S.A.A., PE 26615 1065 2392 100 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 845 140 44 ENTEL CHILE S.A., CL 52468 680 43 240 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 1534 552 27 RAYA-AS, EG 24863 798 128 391 LINKdotNET-AS, EG 37069 771 1100 11 MOBINIL, EG 36935 735 518 26 Vodafone-, EG 36914 554 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 443 927 263 ETISALAT-MISR, EG 2018 371 318 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 14724 41275 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13648 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7369 1947 796 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4771 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2414 197 1114 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 17561 2121 133 448 LCS-AS-AP LARUS Limited, HK 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 13648 13527 CHINAMOBILE-CN China Mobile Communications Grou 8151 7369 6573 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4771 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3423 3234 CMNET-JIANGSU-AP China Mobile communications co 11830 1931 1866 Instituto Costarricense de Electricidad y Telec 56041 1816 1737 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 17561 2121 1673 LCS-AS-AP LARUS Limited, HK 56047 1715 1665 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 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /11:55 /12:159 /13:218 /14:581 /15:1085 /16:7456 /17:3496 /18:4261 /19:7806 /20:13261 /21:16212 /22:28851 /23:30527 /24:176786 /25:63 /26:83 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4085 7369 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3052 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2646 14724 AMAZON-02 - Amazon.com, Inc., US 11830 1641 1931 Instituto Costarricense de Electricidad y Telecom., CR 11664 1130 1435 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2414 AS-COLOCROSSING - HostPapa, US 19901 1019 1466 BRIGHTSPEED - Brightspeed, US 6167 979 2134 CELLCO-PART - Verizon Business, US 209 945 1623 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:556 3:1008 4:1 5:1174 6:185 7:5 8:617 9:7 11:172 12:839 13:631 14:122 15:400 16:164 17:3 18:908 20:319 21:4 22:188 23:2909 24:786 27:19 28:1 29:19 31:456 32:13 34:9 35:177 36:3375 37:637 38:2633 39:868 40:54 41:1090 42:20 43:216 44:26 45:4408 46:895 47:188 48:65 49:25 50:477 51:527 52:1125 54:278 55:1113 56:11 57:25 58:18 59:27 60:14 61:54 62:633 63:684 64:2218 65:998 66:2466 67:1212 68:482 69:1197 70:420 71:142 72:729 74:1007 75:264 76:219 77:532 78:563 79:250 80:339 81:413 82:810 83:206 84:369 85:625 86:250 87:234 88:284 89:609 90:118 91:929 92:643 93:933 94:967 95:1268 96:272 97:44 98:470 99:291 100:39 101:26 102:386 103:1107 104:1634 105:139 106:7 107:1775 108:527 109:371 110:62 111:2804 112:1323 113:40 114:32 115:9 116:54 117:1641 118:57 119:77 120:2037 121:36 122:47 123:106 124:60 125:19 126:1 128:502 129:384 130:713 131:1260 132:543 133:214 134:528 135:132 136:718 137:595 138:1082 139:468 140:747 141:454 142:1538 143:892 144:509 145:167 146:670 147:497 148:1014 149:771 150:224 151:925 152:834 153:387 154:2192 155:983 156:1925 157:427 158:694 159:874 160:682 161:700 162:961 163:431 164:730 165:647 166:553 167:727 168:1445 169:168 170:1853 171:104 172:1402 173:811 174:354 175:126 176:759 177:1136 178:649 179:895 180:39 181:2721 182:25 183:1722 184:458 185:3293 186:3615 187:1763 188:997 189:2009 190:6275 191:563 192:5114 193:1705 194:1110 195:955 196:675 197:705 198:2641 199:2469 200:4410 201:3604 202:1013 203:710 204:2185 205:1802 206:1505 207:1709 208:1618 209:2026 210:354 211:514 212:1105 213:888 214:989 215:36 216:2495 217:545 218:670 219:18 220:27 221:537 222:28 223:1709 End of report