IPv4 R&E Routing Table Report 20:15 GMT Thu 23 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: 290851 Prefixes after maximum aggregation (per Origin AS): 118320 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148485 Number of IPv4 prefixes with a valid ROA: 150084 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 140554 Total ASes present in the Internet Routing Table: 20139 Prefixes per ASN: 14.44 Origin-only ASes present in the Internet Routing Table: 17310 Origin ASes announcing only one prefix: 7768 Transit ASes present in the Internet Routing Table: 2829 Transit-only ASes present in the Internet Routing Table: 716 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: 232 Number of instances of unregistered ASNs: 261 Number of 32-bit ASNs allocated by the RIRs: 49469 Number of 32-bit ASNs visible in the Routing Table: 8228 Prefixes from 32-bit ASNs in the Routing Table: 34766 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: 108 Number of addresses announced to Internet: 1620593189 Equivalent to 96 /8s, 152 /16s and 74 /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: 94614 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42555 Total APNIC prefixes after maximum aggregation: 7822 APNIC Deaggregation factor: 5.44 Prefixes being announced from the APNIC address blocks: 39139 Unique aggregates announced from the APNIC address blocks: 7624 APNIC Region origin ASes present in the Internet Routing Table: 1189 APNIC Prefixes per ASN: 32.92 APNIC Region origin ASes announcing only one prefix: 480 APNIC Region transit ASes present in the Internet Routing Table: 203 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 575 Number of APNIC addresses announced to Internet: 168506476 Equivalent to 10 /8s, 11 /16s and 52 /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: 128704 Total ARIN prefixes after maximum aggregation: 65779 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125913 Unique aggregates announced from the ARIN address blocks: 71694 ARIN Region origin ASes present in the Internet Routing Table: 8940 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 3705 ARIN Region transit ASes present in the Internet Routing Table: 833 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: 2162 Number of ARIN addresses announced to Internet: 1018144041 Equivalent to 60 /8s, 175 /16s and 165 /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: 51996 Total RIPE prefixes after maximum aggregation: 25809 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55273 Unique aggregates announced from the RIPE address blocks: 38176 RIPE Region origin ASes present in the Internet Routing Table: 4496 RIPE Prefixes per ASN: 12.29 RIPE Region origin ASes announcing only one prefix: 1909 RIPE Region transit ASes present in the Internet Routing Table: 706 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: 1940 Number of RIPE addresses announced to Internet: 283488720 Equivalent to 16 /8s, 229 /16s and 177 /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: 57737 Total LACNIC prefixes after maximum aggregation: 16318 LACNIC Deaggregation factor: 3.54 Prefixes being announced from the LACNIC address blocks: 55188 Unique aggregates announced from the LACNIC address blocks: 23920 LACNIC Region origin ASes present in the Internet Routing Table: 4405 LACNIC Prefixes per ASN: 12.53 LACNIC Region origin ASes announcing only one prefix: 1563 LACNIC Region transit ASes present in the Internet Routing Table: 887 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: 3405 Number of LACNIC addresses announced to Internet: 106832320 Equivalent to 6 /8s, 94 /16s and 33 /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: 9627 Total AfriNIC prefixes after maximum aggregation: 2415 AfriNIC Deaggregation factor: 3.99 Prefixes being announced from the AfriNIC address blocks: 15230 Unique aggregates announced from the AfriNIC address blocks: 6988 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 56.20 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 146 Number of AfriNIC addresses announced to Internet: 43546368 Equivalent to 2 /8s, 152 /16s and 119 /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 13659 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3426 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2476 156 425 LCS-AS-AP LARUS Limited, HK 56041 1818 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1715 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1070 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 930 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 820 1223 164 ALIBABA-CN-NET Alibaba US Technology Co., 24445 785 497 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 14753 41291 5659 AMAZON-02 - Amazon.com, Inc., US 22773 4768 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2381 194 1097 AS-COLOCROSSING - HostPapa, US 6167 2139 4335 565 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1623 4848 256 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1610 1309 750 DNIC-ASBLK-00306-00371 - United States De 19901 1460 730 665 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 1487 1334 138 SAUDINETSTC-AS, SA 20940 1244 95 1014 AKAMAI-ASN1, NL 34984 1051 147 738 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 8376 665 53 28 UNASSIGNED 212238 638 46 567 CDNEXT, GB 35819 576 574 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 7371 1941 795 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1506 207 1118 Telmex Colombia S.A., CO 11664 1437 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1248 371 22 INTEGRATEL PERU S.A.A., PE 26615 1064 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 844 140 44 ENTEL CHILE S.A., CL 52468 682 43 243 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 1517 552 27 RAYA-AS, EG 24863 782 125 382 LINKdotNET-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 759 521 39 Vodafone-, EG 36914 557 82 3 KENET-AS, KE 36903 519 241 353 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 405 911 254 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 14753 41291 5659 AMAZON-02 - Amazon.com, Inc., US 9808 13659 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7371 1941 795 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4768 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3426 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 17561 2476 156 425 LCS-AS-AP LARUS Limited, HK 36352 2381 194 1097 AS-COLOCROSSING - HostPapa, US 6167 2139 4335 565 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 13659 13538 CHINAMOBILE-CN China Mobile Communications Grou 8151 7371 6576 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4768 4408 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3426 3237 CMNET-JIANGSU-AP China Mobile communications co 17561 2476 2051 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1818 1739 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 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 198550 UNALLOCATED 2.26.124.0/24 209693 OC-NETWORK, GB 198550 UNALLOCATED 2.26.125.0/24 213702 QWINS-LTD QWINS AS-SET: 198550 UNALLOCATED 2.27.13.0/24 209693 OC-NETWORK, GB 198550 UNALLOCATED 2.27.14.0/24 209693 OC-NETWORK, GB 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 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 /14:579 /15:1078 /16:7455 /17:3497 /18:4247 /19:7807 /20:13234 /21:16191 /22:28741 /23:30362 /24:176886 /25:64 /26:85 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4087 7371 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3051 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2636 14753 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1132 1437 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1030 2381 AS-COLOCROSSING - HostPapa, US 19901 1011 1460 BRIGHTSPEED - Brightspeed, US 6167 980 2139 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 2:570 3:1003 4:1 5:1174 6:186 7:5 8:621 9:7 11:172 12:848 13:634 14:121 15:401 16:172 17:3 18:916 20:363 21:4 22:188 23:2908 24:788 27:19 28:1 29:19 31:463 32:13 34:9 35:177 36:3374 37:630 38:2664 39:869 40:59 41:1091 42:20 43:219 44:26 45:4326 46:899 47:187 48:67 49:24 50:481 51:529 52:1120 54:281 55:991 56:11 57:29 58:17 59:27 60:14 61:54 62:629 63:683 64:2221 65:1005 66:2469 67:1213 68:495 69:1195 70:421 71:142 72:752 74:1026 75:262 76:219 77:530 78:560 79:246 80:344 81:420 82:827 83:208 84:371 85:631 86:243 87:234 88:282 89:612 90:119 91:928 92:641 93:934 94:978 95:1261 96:273 97:45 98:467 99:296 100:39 101:27 102:385 103:1100 104:1641 105:160 106:7 107:1774 108:524 109:377 110:62 111:2813 112:1318 113:39 114:33 115:9 116:54 117:1644 118:56 119:75 120:2039 121:36 122:48 123:106 124:58 125:19 126:1 128:515 129:382 130:720 131:1266 132:545 133:214 134:536 135:122 136:713 137:590 138:1059 139:455 140:746 141:453 142:1537 143:866 144:509 145:165 146:666 147:498 148:1018 149:782 150:225 151:928 152:829 153:388 154:2649 155:989 156:1825 157:421 158:679 159:887 160:692 161:698 162:991 163:433 164:725 165:631 166:552 167:732 168:1432 169:168 170:1858 171:106 172:1419 173:820 174:355 175:120 176:746 177:1103 178:651 179:891 180:38 181:2652 182:29 183:1721 184:457 185:3305 186:3608 187:1738 188:994 189:1997 190:6235 191:543 192:5110 193:1699 194:1108 195:915 196:668 197:687 198:2645 199:2470 200:4421 201:3593 202:1013 203:693 204:2195 205:1814 206:1499 207:1707 208:1627 209:2025 210:351 211:513 212:1102 213:878 214:958 215:36 216:2509 217:551 218:670 219:18 220:27 221:536 222:29 223:1709 End of report