IPv4 R&E Routing Table Report 20:15 GMT Wed 13 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: 293128 Prefixes after maximum aggregation (per Origin AS): 119203 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149726 Number of IPv4 prefixes with a valid ROA: 154227 Number of IPv4 prefixes with an invalid ROA: 221 Number of IPv4 prefixes with no ROA: 138680 Total ASes present in the Internet Routing Table: 20245 Prefixes per ASN: 14.48 Origin-only ASes present in the Internet Routing Table: 17380 Origin ASes announcing only one prefix: 7765 Transit ASes present in the Internet Routing Table: 2865 Transit-only ASes present in the Internet Routing Table: 726 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: 271 Number of instances of unregistered ASNs: 300 Number of 32-bit ASNs allocated by the RIRs: 49733 Number of 32-bit ASNs visible in the Routing Table: 8296 Prefixes from 32-bit ASNs in the Routing Table: 35782 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: 96 Number of addresses announced to Internet: 1624281381 Equivalent to 96 /8s, 208 /16s and 145 /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: 95532 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42843 Total APNIC prefixes after maximum aggregation: 7947 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 39296 Unique aggregates announced from the APNIC address blocks: 7698 APNIC Region origin ASes present in the Internet Routing Table: 1206 APNIC Prefixes per ASN: 32.58 APNIC Region origin ASes announcing only one prefix: 479 APNIC Region transit ASes present in the Internet Routing Table: 208 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: 591 Number of APNIC addresses announced to Internet: 168150892 Equivalent to 10 /8s, 5 /16s and 199 /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: 128330 Total ARIN prefixes after maximum aggregation: 65383 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125794 Unique aggregates announced from the ARIN address blocks: 71240 ARIN Region origin ASes present in the Internet Routing Table: 8934 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 3688 ARIN Region transit ASes present in the Internet Routing Table: 843 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: 2167 Number of ARIN addresses announced to Internet: 1018635817 Equivalent to 60 /8s, 183 /16s and 38 /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: 53235 Total RIPE prefixes after maximum aggregation: 26450 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 56255 Unique aggregates announced from the RIPE address blocks: 38783 RIPE Region origin ASes present in the Internet Routing Table: 4556 RIPE Prefixes per ASN: 12.35 RIPE Region origin ASes announcing only one prefix: 1931 RIPE Region transit ASes present in the Internet Routing Table: 724 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1980 Number of RIPE addresses announced to Internet: 283435472 Equivalent to 16 /8s, 228 /16s and 225 /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: 58405 Total LACNIC prefixes after maximum aggregation: 16687 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55695 Unique aggregates announced from the LACNIC address blocks: 24412 LACNIC Region origin ASes present in the Internet Routing Table: 4421 LACNIC Prefixes per ASN: 12.60 LACNIC Region origin ASes announcing only one prefix: 1554 LACNIC Region transit ASes present in the Internet Routing Table: 885 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: 3399 Number of LACNIC addresses announced to Internet: 107469760 Equivalent to 6 /8s, 103 /16s and 219 /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: 10044 Total AfriNIC prefixes after maximum aggregation: 2559 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 15992 Unique aggregates announced from the AfriNIC address blocks: 7513 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 56.71 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159 Number of AfriNIC addresses announced to Internet: 46519552 Equivalent to 2 /8s, 197 /16s and 213 /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 13697 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3469 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2450 154 466 LCS-AS-AP LARUS Limited, HK 56041 1821 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1079 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 834 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 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 14931 41324 5687 AMAZON-02 - Amazon.com, Inc., US 22773 4784 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 CELLCO-PART - Verizon Business, US 11776 1899 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1501 1241 718 DNIC-ASBLK-00306-00371 - United States De 20057 1461 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 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 1493 1384 141 SAUDINETSTC-AS, SA 20940 1263 97 1027 AKAMAI-ASN1, NL 34984 1111 145 753 TELLCOM-AS, TR 8452 1022 1852 14 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 793 57 701 CDNEXT, GB 8376 683 53 30 UNASSIGNED 35819 587 577 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 7720 1922 778 UNINET, MX 11830 1935 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1450 277 34 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 371 22 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 669 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 1538 557 31 RAYA-AS, EG 37069 759 1100 11 MOBINIL, EG 24863 749 118 366 LINKdotNET-AS, EG 36935 736 165 171 Vodafone-, EG 36992 617 1293 198 ETISALAT-MISR, EG 29571 602 70 18 ORANGE-COTE-IVOIRE, CI 36914 529 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 369 318 64 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 14931 41324 5687 AMAZON-02 - Amazon.com, Inc., US 9808 13697 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7720 1922 778 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4784 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3469 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 17561 2450 154 466 LCS-AS-AP LARUS Limited, HK 6167 2149 4362 556 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 13697 13576 CHINAMOBILE-CN China Mobile Communications Grou 8151 7720 6942 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4784 4421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3469 3280 CMNET-JIANGSU-AP China Mobile communications co 17561 2450 1984 LCS-AS-AP LARUS Limited, HK 11830 1935 1870 Instituto Costarricense de Electricidad y Telec 56041 1821 1742 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1899 1673 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 1666 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 /13:218 /14:580 /15:1081 /16:7473 /17:3517 /18:4301 /19:7825 /20:13260 /21:16299 /22:28894 /23:30316 /24:178811 /25:62 /26:81 /27:47 /28:20 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4299 7720 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3062 4784 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2710 14931 AMAZON-02 - Amazon.com, Inc., US 11830 1646 1935 Instituto Costarricense de Electricidad y Telecom., CR 11664 1144 1450 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1047 2523 AS-COLOCROSSING - HostPapa, US 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 6167 986 2149 CELLCO-PART - Verizon Business, US 209 943 1619 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) ---------------------------------------------- 1:80 2:557 3:995 4:1 5:1167 6:187 7:5 8:618 9:7 11:172 12:820 13:634 14:125 15:406 16:182 17:3 18:908 20:365 21:4 22:188 23:2925 24:791 27:18 28:1 29:19 31:463 32:13 34:11 35:177 36:3448 37:673 38:2617 39:879 40:60 41:1087 42:20 43:219 44:27 45:4351 46:908 47:190 48:69 49:24 50:490 51:544 52:1130 54:279 55:1017 56:11 57:31 58:16 59:27 60:14 61:55 62:656 63:685 64:2231 65:1030 66:2487 67:1191 68:501 69:1190 70:424 71:141 72:745 74:1040 75:260 76:221 77:512 78:545 79:273 80:332 81:434 82:815 83:213 84:398 85:604 86:260 87:237 88:285 89:636 90:121 91:945 92:607 93:941 94:989 95:1291 96:274 97:46 98:469 99:302 100:41 101:31 102:427 103:1155 104:1675 105:177 106:7 107:1831 108:529 109:380 110:61 111:2810 112:1327 113:40 114:32 115:16 116:52 117:1639 118:54 119:76 120:2056 121:38 122:44 123:105 124:64 125:19 126:1 128:505 129:391 130:734 131:1213 132:550 133:214 134:536 135:119 136:681 137:595 138:1119 139:456 140:750 141:476 142:1569 143:855 144:523 145:172 146:669 147:501 148:1035 149:841 150:220 151:937 152:861 153:581 154:2501 155:970 156:2113 157:438 158:684 159:896 160:764 161:711 162:977 163:368 164:725 165:635 166:560 167:712 168:1464 169:164 170:1860 171:104 172:1504 173:812 174:352 175:121 176:774 177:1168 178:649 179:943 180:37 181:2663 182:28 183:1737 184:449 185:3363 186:3717 187:1904 188:1054 189:1984 190:6295 191:617 192:5092 193:1706 194:1130 195:960 196:685 197:678 198:2648 199:2485 200:4469 201:3576 202:1014 203:718 204:2183 205:1846 206:1522 207:1719 208:1622 209:1972 210:321 211:519 212:1070 213:856 214:954 215:36 216:2518 217:554 218:669 219:18 220:27 221:536 222:29 223:1713 End of report