IPv4 R&E Routing Table Report 20:15 GMT Fri 10 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: 290102 Prefixes after maximum aggregation (per Origin AS): 118137 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147988 Number of IPv4 prefixes with a valid ROA: 149553 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140338 Total ASes present in the Internet Routing Table: 20291 Prefixes per ASN: 14.30 Origin-only ASes present in the Internet Routing Table: 17420 Origin ASes announcing only one prefix: 7848 Transit ASes present in the Internet Routing Table: 2871 Transit-only ASes present in the Internet Routing Table: 718 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: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 215 Number of instances of unregistered ASNs: 244 Number of 32-bit ASNs allocated by the RIRs: 49253 Number of 32-bit ASNs visible in the Routing Table: 8266 Prefixes from 32-bit ASNs in the Routing Table: 34680 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: 99 Number of addresses announced to Internet: 1619290405 Equivalent to 96 /8s, 132 /16s and 105 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 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: 93742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43344 Total APNIC prefixes after maximum aggregation: 8251 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 39766 Unique aggregates announced from the APNIC address blocks: 8074 APNIC Region origin ASes present in the Internet Routing Table: 1335 APNIC Prefixes per ASN: 29.79 APNIC Region origin ASes announcing only one prefix: 547 APNIC Region transit ASes present in the Internet Routing Table: 239 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 689 Number of APNIC addresses announced to Internet: 168775020 Equivalent to 10 /8s, 15 /16s and 77 /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: 127685 Total ARIN prefixes after maximum aggregation: 65209 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125027 Unique aggregates announced from the ARIN address blocks: 70942 ARIN Region origin ASes present in the Internet Routing Table: 8945 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 3708 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2153 Number of ARIN addresses announced to Internet: 1017997865 Equivalent to 60 /8s, 173 /16s and 106 /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: 51766 Total RIPE prefixes after maximum aggregation: 25670 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55009 Unique aggregates announced from the RIPE address blocks: 37960 RIPE Region origin ASes present in the Internet Routing Table: 4514 RIPE Prefixes per ASN: 12.19 RIPE Region origin ASes announcing only one prefix: 1933 RIPE Region transit ASes present in the Internet Routing Table: 707 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: 1937 Number of RIPE addresses announced to Internet: 282467024 Equivalent to 16 /8s, 214 /16s and 26 /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: 57426 Total LACNIC prefixes after maximum aggregation: 16360 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 54940 Unique aggregates announced from the LACNIC address blocks: 23909 LACNIC Region origin ASes present in the Internet Routing Table: 4378 LACNIC Prefixes per ASN: 12.55 LACNIC Region origin ASes announcing only one prefix: 1543 LACNIC Region transit ASes present in the Internet Routing Table: 882 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: 3338 Number of LACNIC addresses announced to Internet: 106523328 Equivalent to 6 /8s, 89 /16s and 106 /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: 9666 Total AfriNIC prefixes after maximum aggregation: 2477 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 15261 Unique aggregates announced from the AfriNIC address blocks: 7025 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 54.12 AfriNIC Region origin ASes announcing only one prefix: 117 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149 Number of AfriNIC addresses announced to Internet: 43451136 Equivalent to 2 /8s, 151 /16s and 3 /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 13632 8729 119 CHINAMOBILE-CN China Mobile Communication 56046 3421 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2433 153 481 LCS-AS-AP LARUS Limited, HK 56041 1810 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 808 1218 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 782 497 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 14620 41274 5676 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2386 195 1101 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1626 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1600 1311 738 DNIC-ASBLK-00306-00371 - United States De 19901 1465 732 677 BRIGHTSPEED - Brightspeed, US 20057 1458 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 4972 306 72 ALJAWWALSTC-AS, SA 25019 1402 1335 139 SAUDINETSTC-AS, SA 20940 1244 96 1014 AKAMAI-ASN1, NL 34984 1104 149 769 TELLCOM-AS, TR 8452 941 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 670 53 29 UNASSIGNED 212238 598 42 532 CDNEXT, GB 35819 583 581 73 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 7277 1931 809 UNINET, MX 11830 1938 369 65 Instituto Costarricense de Electricidad y 10620 1494 206 1114 Telmex Colombia S.A., CO 11664 1434 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1245 371 22 INTEGRATEL PERU S.A.A., PE 26615 1058 2391 100 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 841 140 44 ENTEL CHILE S.A., CL 12252 672 164 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 1542 552 27 RAYA-AS, EG 24863 799 129 399 LINKdotNET-AS, EG 37069 767 1100 11 MOBINIL, EG 36935 758 521 39 Vodafone-, EG 36914 548 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 381 864 257 ETISALAT-MISR, EG 2018 373 318 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 14620 41274 5676 AMAZON-02 - Amazon.com, Inc., US 9808 13632 8729 119 CHINAMOBILE-CN China Mobile Communication 8151 7277 1931 809 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3421 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2433 153 481 LCS-AS-AP LARUS Limited, HK 36352 2386 195 1101 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 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 13632 13513 CHINAMOBILE-CN China Mobile Communications Grou 8151 7277 6468 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4780 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3421 3232 CMNET-JIANGSU-AP China Mobile communications co 17561 2433 1952 LCS-AS-AP LARUS Limited, HK 11830 1938 1873 Instituto Costarricense de Electricidad y Telec 56041 1810 1731 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1714 1664 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 /13:217 /14:575 /15:1078 /16:7466 /17:3486 /18:4200 /19:7715 /20:13293 /21:16057 /22:28640 /23:30057 /24:176762 /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 4018 7277 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3054 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2626 14620 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1938 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1434 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2386 AS-COLOCROSSING - HostPapa, US 19901 1021 1465 BRIGHTSPEED - Brightspeed, US 6167 963 2118 CELLCO-PART - Verizon Business, US 209 944 1626 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 2:525 3:993 4:1 5:1170 6:184 7:5 8:618 9:7 11:172 12:847 13:629 14:134 15:399 16:146 17:3 18:908 20:367 21:4 22:188 23:2880 24:782 27:19 28:1 29:19 31:456 32:13 34:9 35:178 36:3357 37:633 38:2576 39:879 40:52 41:1099 42:20 43:222 44:33 45:4501 46:897 47:186 48:65 49:23 50:482 51:528 52:1104 54:271 55:1123 56:11 57:28 58:101 59:30 60:14 61:54 62:632 63:691 64:2228 65:1000 66:2469 67:1136 68:483 69:1192 70:424 71:141 72:719 74:988 75:262 76:227 77:515 78:556 79:241 80:339 81:414 82:851 83:209 84:363 85:607 86:241 87:205 88:285 89:609 90:100 91:923 92:670 93:909 94:978 95:1265 96:271 97:44 98:377 99:286 100:21 101:27 102:376 103:1246 104:1623 105:146 106:7 107:1758 108:529 109:355 110:48 111:2799 112:1321 113:34 114:32 115:29 116:57 117:1662 118:60 119:124 120:2035 121:36 122:46 123:106 124:63 125:17 126:1 128:501 129:383 130:724 131:1255 132:552 133:217 134:527 135:135 136:713 137:599 138:1043 139:457 140:750 141:458 142:1532 143:861 144:498 145:168 146:685 147:507 148:1016 149:762 150:226 151:929 152:832 153:403 154:2350 155:987 156:2037 157:473 158:671 159:866 160:683 161:699 162:996 163:444 164:722 165:653 166:557 167:715 168:1442 169:169 170:1871 171:103 172:1387 173:802 174:275 175:129 176:745 177:1093 178:647 179:890 180:37 181:2599 182:31 183:1721 184:447 185:3314 186:3583 187:1749 188:1026 189:1962 190:6214 191:568 192:5127 193:1705 194:1097 195:939 196:670 197:730 198:2648 199:2474 200:4313 201:3583 202:1094 203:750 204:2184 205:1822 206:1511 207:1707 208:1622 209:2040 210:411 211:513 212:1098 213:894 214:956 215:36 216:2494 217:538 218:670 219:18 220:27 221:536 222:30 223:1709 End of report