IPv4 R&E Routing Table Report 20:15 GMT Tue 27 Oct, 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: 291842 Prefixes after maximum aggregation (per Origin AS): 120302 Deaggregation factor: 2.43 Unique aggregates announced (without unneeded subnets): 153044 Number of IPv4 prefixes with a valid ROA: 199822 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 91817 Total ASes present in the Internet Routing Table: 19802 Prefixes per ASN: 14.74 Origin-only ASes present in the Internet Routing Table: 16998 Origin ASes announcing only one prefix: 7653 Transit ASes present in the Internet Routing Table: 2804 Transit-only ASes present in the Internet Routing Table: 720 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 46 Max AS path prepend of ASN ( 30075) 41 Prefixes from unregistered ASNs in the Routing Table: 213 Number of instances of unregistered ASNs: 214 Number of 32-bit ASNs allocated by the RIRs: 51888 Number of 32-bit ASNs visible in the Routing Table: 8353 Prefixes from 32-bit ASNs in the Routing Table: 37259 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 108 Number of addresses announced to Internet: 1640803589 Equivalent to 97 /8s, 204 /16s and 173 /24s Percentage of available address space announced: 44.3 Percentage of allocated address space announced: 44.3 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: 92832 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43425 Total APNIC prefixes after maximum aggregation: 8359 APNIC Deaggregation factor: 5.19 Prefixes being announced from the APNIC address blocks: 41830 Unique aggregates announced from the APNIC address blocks: 9267 APNIC Region origin ASes present in the Internet Routing Table: 1240 APNIC Prefixes per ASN: 33.73 APNIC Region origin ASes announcing only one prefix: 484 APNIC Region transit ASes present in the Internet Routing Table: 230 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 614 Number of APNIC addresses announced to Internet: 172735564 Equivalent to 10 /8s, 75 /16s and 188 /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: 131186 Total ARIN prefixes after maximum aggregation: 65695 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 127994 Unique aggregates announced from the ARIN address blocks: 71121 ARIN Region origin ASes present in the Internet Routing Table: 8726 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 3647 ARIN Region transit ASes present in the Internet Routing Table: 825 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2173 Number of ARIN addresses announced to Internet: 1026424585 Equivalent to 61 /8s, 45 /16s and 255 /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: 50139 Total RIPE prefixes after maximum aggregation: 26708 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 54182 Unique aggregates announced from the RIPE address blocks: 39512 RIPE Region origin ASes present in the Internet Routing Table: 4419 RIPE Prefixes per ASN: 12.26 RIPE Region origin ASes announcing only one prefix: 1861 RIPE Region transit ASes present in the Internet Routing Table: 681 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2034 Number of RIPE addresses announced to Internet: 295296464 Equivalent to 17 /8s, 153 /16s and 221 /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 196608-219547 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: 57146 Total LACNIC prefixes after maximum aggregation: 16819 LACNIC Deaggregation factor: 3.40 Prefixes being announced from the LACNIC address blocks: 53768 Unique aggregates announced from the LACNIC address blocks: 26372 LACNIC Region origin ASes present in the Internet Routing Table: 4299 LACNIC Prefixes per ASN: 12.51 LACNIC Region origin ASes announcing only one prefix: 1550 LACNIC Region transit ASes present in the Internet Routing Table: 881 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: 3377 Number of LACNIC addresses announced to Internet: 103485408 Equivalent to 6 /8s, 43 /16s and 15 /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: 9733 Total AfriNIC prefixes after maximum aggregation: 2556 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 13960 Unique aggregates announced from the AfriNIC address blocks: 6671 AfriNIC Region origin ASes present in the Internet Routing Table: 275 AfriNIC Prefixes per ASN: 50.76 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 82 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 155 Number of AfriNIC addresses announced to Internet: 42764032 Equivalent to 2 /8s, 140 /16s and 135 /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 13814 8737 135 CHINAMOBILE-CN China Mobile Communication 56046 3569 887 194 CMNET-JIANGSU-AP China Mobile communicati 56041 2160 723 110 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1741 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1118 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 961 177 52 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 45102 954 1339 197 ALIBABA-CN-NET Alibaba US Technology Co., 56045 941 481 56 CMNET-JIANGXI-AP China Mobile communicati 24445 911 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 2907 665 2152 465 SINET-AS Research Organization of Informa 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 17417 42608 5629 AMAZON-02 - Amazon.com, Inc., US 22773 4908 3309 460 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3131 54647 2382 DNIC-AS-00749 - United States Department 6167 2179 4406 559 CELLCO-PART - Verizon Business, US 1540 2002 1832 864 DNIC-ASBLK-01534-01546 - Headquarters, US 2914 1670 1634 1266 NTT-DATA-2914 - NTT America, Inc., US 11776 1637 223 274 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1583 4845 241 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 14618 1517 5311 1083 AMAZON-AES - Amazon.com, Inc., US 577 1471 1713 313 BACOM - Bell Canada, CA 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 4189 250 71 ALJAWWALSTC-AS, SA 25019 1372 1380 135 SAUDINETSTC-AS, SA 20940 1216 95 999 AKAMAI-ASN1, NL 34984 1171 148 738 TELLCOM-AS, TR 212238 1001 70 892 CDNEXT, GB 3215 887 4827 347 France Telecom - Orange, FR 8452 845 1841 22 TE-AS TE-AS, EG 8376 780 54 30 UNSPECIFIED - Jordan Data Communications 5511 712 119 617 OPENTRANSIT, FR 35819 588 550 118 MOBILY-AS Etihad Etisalat Company Mobily, 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 7358 1905 859 UNINET, MX 11830 1841 369 65 Instituto Costarricense de Electricidad y 10620 1577 207 1140 Telmex Colombia S.A., CO 11664 1512 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1268 763 226 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1175 371 21 INTEGRATEL PERU S.A.A., PE 26615 1033 2262 94 TIM SA, BR 18881 950 1127 31 TELEFONICA BRASIL S.A, BR 52468 781 49 281 UFINET PANAMA S.A., PA 28006 658 74 314 CORPORACION NACIONAL DE TELECOMUNICACIONE 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 1427 425 19 RAYA-AS, EG 29571 905 70 18 ORANGE-COTE-IVOIRE, CI 37069 684 707 106 MOBINIL, EG 36935 654 161 162 Vodafone-, EG 36992 648 945 357 ETISALAT-MISR, EG 36914 555 82 3 KENET-AS, KE 24863 457 59 265 LINKdotNET-AS, EG 36903 420 181 304 MT-MPLS, MA 2018 375 318 69 TENET-1, ZA 37693 353 600 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 17417 42608 5629 AMAZON-02 - Amazon.com, Inc., US 9808 13814 8737 135 CHINAMOBILE-CN China Mobile Communication 8151 7358 1905 859 UNINET, MX 22773 4908 3309 460 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 39891 4189 250 71 ALJAWWALSTC-AS, SA 56046 3569 887 194 CMNET-JIANGSU-AP China Mobile communicati 749 3131 54647 2382 DNIC-AS-00749 - United States Department 6167 2179 4406 559 CELLCO-PART - Verizon Business, US 56041 2160 723 110 CMNET-ZHEJIANG-AP China Mobile communicat 1540 2002 1832 864 DNIC-ASBLK-01534-01546 - Headquarters, 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 13814 13679 CHINAMOBILE-CN China Mobile Communications Grou 8151 7358 6499 UNINET, MX 22773 4908 4448 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 39891 4189 4118 ALJAWWALSTC-AS, SA 56046 3569 3375 CMNET-JIANGSU-AP China Mobile communications co 56041 2160 2050 CMNET-ZHEJIANG-AP China Mobile communications c 11830 1841 1776 Instituto Costarricense de Electricidad y Telec 56047 1741 1689 CMNET-HUNAN-AP China Mobile communications corp 6167 2179 1620 CELLCO-PART - Verizon Business, US 11664 1512 1480 Techtel LMDS Comunicaciones Interactivas S.A., 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 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 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 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 23.133.212.0/24 Origin: 18604 AIHOST - Ai Host, LLC, ZZ 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.138.188.0/24 Origin: 401371 DEEP-TO-ONE-INC - Deep To One Inc, ZZ 23.138.188.0/24 Transit: 154309 INTELLIGENT1-AS-AP Intelligent Cloud Lim 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 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 /11:56 /12:164 /13:224 /14:585 /15:1103 /16:7601 /17:3427 /18:4244 /19:7431 /20:12558 /21:16086 /22:26577 /23:30046 /24:181391 /25:61 /26:84 /27:47 /28:19 /29:8 /30:16 /31:1 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4299 7358 UNINET, MX 16509 3396 17417 AMAZON-02 - Amazon.com, Inc., US 39891 3277 4189 ALJAWWALSTC-AS, SA 22773 3123 4908 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 11830 1569 1841 Instituto Costarricense de Electricidad y Telecom., CR 11664 1225 1512 Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1020 1577 Telmex Colombia S.A., CO 6167 1003 2179 CELLCO-PART - Verizon Business, US 7459 965 1323 GRANDECOM-AS1 - Grande Communications Networks, LLC, US 209 920 1583 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) ---------------------------------------------- 1:91 2:594 3:1332 4:1 5:1077 6:205 7:5 8:556 9:16 11:171 12:752 13:1110 14:127 15:423 16:319 17:4 18:1111 20:377 21:4 22:188 23:2830 24:715 27:22 28:7 29:19 31:452 32:11 34:10 35:187 36:3514 37:643 38:2877 39:1001 40:82 41:1164 42:17 43:276 44:32 45:4241 46:941 47:229 48:108 49:54 50:482 51:476 52:1254 54:449 55:1160 56:11 57:34 58:6 59:28 60:11 61:82 62:651 63:720 64:2229 65:1095 66:2423 67:1167 68:505 69:1071 70:416 71:129 72:719 74:989 75:272 76:196 77:476 78:544 79:332 80:291 81:393 82:822 83:207 84:401 85:536 86:297 87:272 88:277 89:660 90:101 91:994 92:604 93:947 94:1016 95:1099 96:342 97:42 98:343 99:491 100:33 101:33 102:412 103:1166 104:1648 105:190 106:10 107:1318 108:636 109:400 110:65 111:2969 112:1468 113:37 114:29 115:16 116:69 117:1718 118:57 119:87 120:2172 121:24 122:77 123:45 124:65 125:37 126:1 128:436 129:372 130:762 131:1325 132:495 133:194 134:596 135:174 136:675 137:606 138:1194 139:467 140:768 141:570 142:1609 143:983 144:584 145:213 146:642 147:503 148:1088 149:876 150:393 151:956 152:793 153:716 154:1722 155:1018 156:1692 157:449 158:686 159:972 160:1124 161:771 162:977 163:455 164:785 165:573 166:558 167:747 168:1556 169:172 170:1813 171:97 172:1489 173:764 174:265 175:116 176:970 177:1290 178:540 179:911 180:61 181:2778 182:22 183:1838 184:445 185:3399 186:3608 187:2408 188:916 189:1912 190:6061 191:726 192:5053 193:1731 194:1147 195:1011 196:704 197:652 198:2526 199:2542 200:4363 201:3628 202:1039 203:745 204:2020 205:2076 206:1456 207:1798 208:1531 209:1933 210:361 211:548 212:1062 213:873 214:983 215:52 216:2438 217:585 218:690 219:31 220:36 221:564 222:31 223:1767 End of report