IPv4 R&E Routing Table Report 20:15 GMT Tue 19 May, 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: 294323 Prefixes after maximum aggregation (per Origin AS): 120546 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 151324 Number of IPv4 prefixes with a valid ROA: 157546 Number of IPv4 prefixes with an invalid ROA: 221 Number of IPv4 prefixes with no ROA: 136556 Total ASes present in the Internet Routing Table: 20492 Prefixes per ASN: 14.36 Origin-only ASes present in the Internet Routing Table: 17553 Origin ASes announcing only one prefix: 7888 Transit ASes present in the Internet Routing Table: 2939 Transit-only ASes present in the Internet Routing Table: 742 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: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 295 Number of instances of unregistered ASNs: 324 Number of 32-bit ASNs allocated by the RIRs: 49789 Number of 32-bit ASNs visible in the Routing Table: 8426 Prefixes from 32-bit ASNs in the Routing Table: 36812 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: 100 Number of addresses announced to Internet: 1625471749 Equivalent to 96 /8s, 226 /16s and 187 /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: 95810 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42888 Total APNIC prefixes after maximum aggregation: 7996 APNIC Deaggregation factor: 5.36 Prefixes being announced from the APNIC address blocks: 39440 Unique aggregates announced from the APNIC address blocks: 7806 APNIC Region origin ASes present in the Internet Routing Table: 1205 APNIC Prefixes per ASN: 32.73 APNIC Region origin ASes announcing only one prefix: 484 APNIC Region transit ASes present in the Internet Routing Table: 207 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: 587 Number of APNIC addresses announced to Internet: 168345452 Equivalent to 10 /8s, 8 /16s and 191 /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: 128530 Total ARIN prefixes after maximum aggregation: 65561 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125961 Unique aggregates announced from the ARIN address blocks: 71253 ARIN Region origin ASes present in the Internet Routing Table: 8943 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 3709 ARIN Region transit ASes present in the Internet Routing Table: 847 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: 2176 Number of ARIN addresses announced to Internet: 1019222025 Equivalent to 60 /8s, 192 /16s and 24 /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: 53884 Total RIPE prefixes after maximum aggregation: 27371 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 56777 Unique aggregates announced from the RIPE address blocks: 39774 RIPE Region origin ASes present in the Internet Routing Table: 4747 RIPE Prefixes per ASN: 11.96 RIPE Region origin ASes announcing only one prefix: 2016 RIPE Region transit ASes present in the Internet Routing Table: 784 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2075 Number of RIPE addresses announced to Internet: 284737488 Equivalent to 16 /8s, 248 /16s and 191 /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: 58830 Total LACNIC prefixes after maximum aggregation: 16832 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 56143 Unique aggregates announced from the LACNIC address blocks: 24732 LACNIC Region origin ASes present in the Internet Routing Table: 4430 LACNIC Prefixes per ASN: 12.67 LACNIC Region origin ASes announcing only one prefix: 1554 LACNIC Region transit ASes present in the Internet Routing Table: 901 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3416 Number of LACNIC addresses announced to Internet: 106625472 Equivalent to 6 /8s, 90 /16s and 249 /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: 9896 Total AfriNIC prefixes after maximum aggregation: 2603 AfriNIC Deaggregation factor: 3.80 Prefixes being announced from the AfriNIC address blocks: 15902 Unique aggregates announced from the AfriNIC address blocks: 7675 AfriNIC Region origin ASes present in the Internet Routing Table: 301 AfriNIC Prefixes per ASN: 52.83 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 80 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 172 Number of AfriNIC addresses announced to Internet: 46470400 Equivalent to 2 /8s, 197 /16s and 21 /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 13714 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2453 154 463 LCS-AS-AP LARUS Limited, HK 56041 1838 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1083 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 932 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 825 1223 178 ALIBABA-CN-NET Alibaba US Technology Co., 24445 794 497 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 14960 41323 5687 AMAZON-02 - Amazon.com, Inc., US 22773 4757 3098 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 6167 2151 4363 557 CELLCO-PART - Verizon Business, US 11776 1899 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1620 4848 253 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1503 1239 717 DNIC-ASBLK-00306-00371 - United States De 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1450 728 659 BRIGHTSPEED - Brightspeed, US 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 4975 307 72 ALJAWWALSTC-AS, SA 25019 1494 1383 139 SAUDINETSTC-AS, SA 20940 1265 97 1028 AKAMAI-ASN1, NL 34984 1083 140 723 TELLCOM-AS, TR 8452 1057 1842 20 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 810 58 716 CDNEXT, GB 8376 692 53 29 UNASSIGNED 35819 593 583 77 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 7663 1912 774 UNINET, MX 11830 1933 369 65 Instituto Costarricense de Electricidad y 10620 1686 228 1219 Telmex Colombia S.A., CO 11664 1467 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1227 371 22 INTEGRATEL PERU S.A.A., PE 26615 1065 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 668 42 247 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 1459 525 29 RAYA-AS, EG 24863 759 121 376 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 36992 609 1293 201 ETISALAT-MISR, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36935 574 150 151 Vodafone-, EG 36914 555 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 37693 349 599 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 14960 41323 5687 AMAZON-02 - Amazon.com, Inc., US 9808 13714 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7663 1912 774 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4757 3098 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 17561 2453 154 463 LCS-AS-AP LARUS Limited, HK 6167 2151 4363 557 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 13714 13593 CHINAMOBILE-CN China Mobile Communications Grou 8151 7663 6889 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4757 4397 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3288 CMNET-JIANGSU-AP China Mobile communications co 17561 2453 1990 LCS-AS-AP LARUS Limited, HK 11830 1933 1868 Instituto Costarricense de Electricidad y Telec 56041 1838 1759 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1899 1673 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1719 1667 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 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 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 23.146.16.0/24 Origin: 396281 AGCOMTECH - AGILITY COMMUNICATIONS AND T 23.146.16.0/24 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 /12:161 /13:216 /14:578 /15:1087 /16:7471 /17:3502 /18:4307 /19:7829 /20:13278 /21:16282 /22:28539 /23:30420 /24:180250 /25:64 /26:84 /27:46 /28:20 /29:7 /30:15 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4279 7663 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3062 4757 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2709 14960 AMAZON-02 - Amazon.com, Inc., US 11830 1644 1933 Instituto Costarricense de Electricidad y Telecom., CR 11664 1163 1467 Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1063 1686 Telmex Colombia S.A., CO 36352 1047 2523 AS-COLOCROSSING - HostPapa, US 19901 1000 1450 BRIGHTSPEED - Brightspeed, US 6167 988 2151 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:553 3:999 4:1 5:1137 6:189 7:5 8:621 9:7 11:172 12:809 13:635 14:126 15:408 16:188 17:3 18:906 20:371 21:4 22:188 23:2936 24:783 27:17 28:1 29:19 31:456 32:13 34:10 35:177 36:3430 37:669 38:2620 39:883 40:60 41:1080 42:20 43:219 44:27 45:4483 46:905 47:188 48:91 49:23 50:482 51:544 52:1130 54:282 55:1108 56:11 57:31 58:16 59:26 60:14 61:65 62:672 63:686 64:2278 65:1032 66:2391 67:1206 68:507 69:1191 70:424 71:143 72:716 74:1021 75:259 76:221 77:544 78:542 79:265 80:325 81:461 82:838 83:217 84:413 85:624 86:280 87:249 88:289 89:703 90:130 91:931 92:616 93:964 94:1013 95:1306 96:292 97:46 98:469 99:303 100:40 101:31 102:435 103:1157 104:1687 105:208 106:7 107:1840 108:535 109:385 110:62 111:2807 112:1402 113:40 114:32 115:14 116:50 117:1646 118:54 119:75 120:2065 121:38 122:59 123:106 124:59 125:19 126:1 128:508 129:392 130:738 131:1224 132:557 133:214 134:566 135:121 136:671 137:594 138:1157 139:462 140:749 141:485 142:1570 143:870 144:550 145:174 146:683 147:509 148:1057 149:856 150:231 151:947 152:856 153:596 154:2473 155:962 156:2130 157:439 158:687 159:898 160:771 161:731 162:1008 163:373 164:730 165:635 166:560 167:721 168:1490 169:170 170:1862 171:109 172:1466 173:807 174:353 175:108 176:777 177:1215 178:665 179:922 180:37 181:2693 182:28 183:1744 184:450 185:3472 186:3789 187:1893 188:1062 189:1997 190:6310 191:619 192:5112 193:1782 194:1161 195:964 196:696 197:689 198:2667 199:2488 200:4507 201:3640 202:1011 203:725 204:2172 205:1807 206:1499 207:1724 208:1614 209:1907 210:353 211:519 212:1090 213:919 214:953 215:35 216:2522 217:558 218:672 219:18 220:28 221:537 222:29 223:1717 End of report