This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 09 Aug, 2025 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1016083 Prefixes after maximum aggregation (per Origin AS): 385998 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 489238 Number of IPv4 prefixes with a valid ROA: 558721 Number of IPv4 prefixes with an invalid ROA: 355 Number of IPv4 prefixes with no ROA: 457007 Total ASes present in the Internet Routing Table: 77292 Prefixes per ASN: 13.15 Origin-only ASes present in the Internet Routing Table: 66114 Origin ASes announcing only one prefix: 26930 Transit ASes present in the Internet Routing Table: 11178 Transit-only ASes present in the Internet Routing Table: 571 Paths with bogon ASNs present in the IPv4 Routing Table: 58 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 85 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1079 Number of instances of unregistered ASNs: 1111 Number of 32-bit ASNs allocated by the RIRs: 47097 Number of 32-bit ASNs visible in the Routing Table: 38807 Prefixes from 32-bit ASNs in the Routing Table: 210247 Number of bogon 32-bit ASNs visible in the Routing Table: 78 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 295 Number of addresses announced to Internet: 3113148484 Equivalent to 185 /8s, 142 /16s and 224 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 329387 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 276651 Total APNIC prefixes after maximum aggregation: 79192 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 267656 Unique aggregates announced from the APNIC address blocks: 105321 APNIC Region origin ASes present in the Internet Routing Table: 14861 APNIC Prefixes per ASN: 18.01 APNIC Region origin ASes announcing only one prefix: 4508 APNIC Region transit ASes present in the Internet Routing Table: 2017 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10333 Number of APNIC addresses announced to Internet: 755096896 Equivalent to 45 /8s, 1 /16s and 221 /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: 295511 Total ARIN prefixes after maximum aggregation: 132647 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 296773 Unique aggregates announced from the ARIN address blocks: 141927 ARIN Region origin ASes present in the Internet Routing Table: 19273 ARIN Prefixes per ASN: 15.40 ARIN Region origin ASes announcing only one prefix: 7042 ARIN Region transit ASes present in the Internet Routing Table: 1996 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5285 Number of ARIN addresses announced to Internet: 1349475329 Equivalent to 80 /8s, 111 /16s and 92 /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, 393216-402332 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: 281218 Total RIPE prefixes after maximum aggregation: 136785 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 280256 Unique aggregates announced from the RIPE address blocks: 178546 RIPE Region origin ASes present in the Internet Routing Table: 29014 RIPE Prefixes per ASN: 9.66 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 4027 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12639 Number of RIPE addresses announced to Internet: 732081859 Equivalent to 43 /8s, 162 /16s and 174 /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: 126028 Total LACNIC prefixes after maximum aggregation: 29846 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 122302 Unique aggregates announced from the LACNIC address blocks: 49073 LACNIC Region origin ASes present in the Internet Routing Table: 11282 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2550 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9245 Number of LACNIC addresses announced to Internet: 171160640 Equivalent to 10 /8s, 51 /16s and 180 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 35596 Total AfriNIC prefixes after maximum aggregation: 6816 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 48801 Unique aggregates announced from the AfriNIC address blocks: 14102 AfriNIC Region origin ASes present in the Internet Routing Table: 1941 AfriNIC Prefixes per ASN: 25.14 AfriNIC Region origin ASes announcing only one prefix: 688 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1305 Number of AfriNIC addresses announced to Internet: 105141248 Equivalent to 6 /8s, 68 /16s and 84 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 12759 8921 171 CHINAMOBILE-CN China Mobile Communication 7545 6129 836 614 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4881 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4571 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 45899 4385 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3970 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3692 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3098 832 221 CMNET-JIANGSU-AP China Mobile communicati 24560 2918 864 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13797 41097 5315 AMAZON-02, US 174 5379 8769 852 COGENT-174, US 11492 4783 317 680 CABLEONE, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3643 1320 82 SHAW, CA 22773 3336 3013 164 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3203 3858 435 GOOGLE-CLOUD-PLATFORM, US 16625 2936 1238 2181 AKAMAI-AS, US 4155 2908 227 1731 USDA-1, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7568 1711 153 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3942 3396 140 AKAMAI-ASN1, NL 9009 3861 366 2178 M247, RO 12389 3114 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2404 361 584 TELLCOM-AS, TR 5384 2391 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2327 164 1692 CDNEXT, GB 13188 1605 100 37 TRIOLAN, UA 8452 1585 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12327 3272 577 UNINET, MX 10620 3474 472 1051 Telmex Colombia S.A., CO 13999 2529 511 354 Mega Cable, S.A. de C.V., MX 11830 1986 369 64 Instituto Costarricense de Electricidad y 28573 1373 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1196 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1184 371 22 Telefonica del Peru S.A.A., PE 22884 1066 68 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1018 2487 55 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1770 660 28 RAYA-AS, EG 29571 1488 94 32 ORANGE-COTE-IVOIRE, CI 36992 1416 1494 373 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 24863 1241 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 972 520 43 Vodafone-, EG 20011 568 154 212 INTERNET-SOLUTIONS, ZA 36914 561 82 3 KENET-AS, KE 15399 540 57 59 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13797 41097 5315 AMAZON-02, US 9808 12759 8921 171 CHINAMOBILE-CN China Mobile Communication 8151 12327 3272 577 UNINET, MX 12479 7568 1711 153 UNI2-AS, ES 7545 6129 836 614 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5379 8769 852 COGENT-174, US 4538 4881 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4783 317 680 CABLEONE, US 18403 4571 347 26 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 12759 12588 CHINAMOBILE-CN China Mobile Communications Grou 8151 12327 11750 UNINET, MX 12479 7568 7415 UNI2-AS, ES 7545 6129 5515 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4881 4806 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4571 4545 FPT-AS-AP FPT Telecom Company, VN 174 5379 4527 COGENT-174, US 45899 4385 4330 VNPT-AS-VN VNPT Corp, VN 9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.224.0/24 Origin: 27392 639-DATACENTERS, US 23.147.224.0/24 Transit: 3356 LEVEL3, US 23.147.225.0/24 Origin: 27392 639-DATACENTERS, US 23.147.225.0/24 Transit: 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:41 /11:92 /12:299 /13:582 /14:1214 /15:2172 /16:13921 /17:8477 /18:14299 /19:25389 /20:45938 /21:53242 /22:114134 /23:106365 /24:629109 /25:146 /26:112 /27:116 /28:20 /29:68 /30:9 /31:0 /32:308 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6546 12327 UNINET, MX 12479 6529 7568 UNI2-AS, ES 11492 3593 4783 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3439 3643 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2489 3336 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2342 13797 AMAZON-02, US 30036 2297 2639 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2194 3474 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2495 2:1593 3:875 4:12 5:4861 6:157 7:6 8:1575 9:2 11:172 12:1336 13:473 14:2651 15:370 16:286 17:383 18:900 20:579 21:4 22:188 23:7794 24:2708 25:2 27:2864 29:19 31:3463 32:39 33:1 34:84 35:264 36:4235 37:4620 38:10634 39:974 40:256 41:4374 42:2069 43:2804 44:385 45:18912 46:5205 47:356 49:1928 50:2051 51:591 52:1554 54:324 55:1109 56:11 57:278 58:2303 59:1411 60:1201 61:3159 62:3044 63:1788 64:5585 65:2153 66:4788 67:3106 68:1072 69:3981 70:1031 71:634 72:2856 74:2831 75:1514 76:606 77:2790 78:1902 79:1751 80:2244 81:2091 82:3235 83:1489 84:1932 85:3468 86:1209 87:2410 88:1316 89:4485 90:775 91:8468 92:2811 93:2974 94:4239 95:4450 96:1491 97:310 98:954 99:702 100:71 101:1491 102:4093 103:32743 104:5259 105:1025 106:882 107:2655 108:1266 109:4266 110:2283 111:3587 112:2445 113:1908 114:1999 115:2288 116:2160 117:2728 118:3015 119:2040 120:2257 121:1417 122:2939 123:2527 124:1795 125:2936 126:91 128:1633 129:988 130:1327 131:2076 132:782 133:450 134:1597 135:356 136:1473 137:1271 138:2876 139:1670 140:1640 141:1536 142:1923 143:1956 144:1197 145:575 146:2198 147:2105 148:2706 149:2998 150:1299 151:2311 152:2103 153:594 154:7922 155:1876 156:3097 157:1949 158:1366 159:2532 160:3613 161:1908 162:3894 163:2270 164:1888 165:2468 166:1540 167:2030 168:3938 169:785 170:5239 171:1009 172:4234 173:3405 174:910 175:1353 176:3753 177:4870 178:4002 179:2374 180:2667 181:4173 182:3623 183:2354 184:2099 185:21703 186:5270 187:4730 188:4295 189:4411 190:9556 191:1533 192:11369 193:9500 194:7940 195:5745 196:3290 197:3177 198:6135 199:8615 200:8267 201:6458 202:10983 203:10941 204:4595 205:3658 206:4575 207:3558 208:4324 209:5143 210:5050 211:2866 212:4640 213:3851 214:1027 215:50 216:6808 217:3422 218:1487 219:604 220:2156 221:1213 222:993 223:2839 End of report