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 06 Jun, 2026 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: 1082108 Prefixes after maximum aggregation (per Origin AS): 406836 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 521071 Number of IPv4 prefixes with a valid ROA: 710279 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 371806 Total ASes present in the Internet Routing Table: 78757 Prefixes per ASN: 13.74 Origin-only ASes present in the Internet Routing Table: 67348 Origin ASes announcing only one prefix: 27132 Transit ASes present in the Internet Routing Table: 11409 Transit-only ASes present in the Internet Routing Table: 595 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1053 Number of instances of unregistered ASNs: 1083 Number of 32-bit ASNs allocated by the RIRs: 50029 Number of 32-bit ASNs visible in the Routing Table: 40891 Prefixes from 32-bit ASNs in the Routing Table: 240707 Number of bogon 32-bit ASNs visible in the Routing Table: 74 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 349 Number of addresses announced to Internet: 3108654210 Equivalent to 185 /8s, 74 /16s and 76 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 353756 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 298474 Total APNIC prefixes after maximum aggregation: 85281 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 285287 Unique aggregates announced from the APNIC address blocks: 109193 APNIC Region origin ASes present in the Internet Routing Table: 15280 APNIC Prefixes per ASN: 18.67 APNIC Region origin ASes announcing only one prefix: 4651 APNIC Region transit ASes present in the Internet Routing Table: 2079 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 49 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10830 Number of APNIC addresses announced to Internet: 752157760 Equivalent to 44 /8s, 213 /16s and 4 /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: 307363 Total ARIN prefixes after maximum aggregation: 137650 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 305828 Unique aggregates announced from the ARIN address blocks: 148445 ARIN Region origin ASes present in the Internet Routing Table: 19454 ARIN Prefixes per ASN: 15.72 ARIN Region origin ASes announcing only one prefix: 7111 ARIN Region transit ASes present in the Internet Routing Table: 1986 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5620 Number of ARIN addresses announced to Internet: 1348187138 Equivalent to 80 /8s, 91 /16s and 180 /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: 294605 Total RIPE prefixes after maximum aggregation: 145169 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 298256 Unique aggregates announced from the RIPE address blocks: 193373 RIPE Region origin ASes present in the Internet Routing Table: 29614 RIPE Prefixes per ASN: 10.07 RIPE Region origin ASes announcing only one prefix: 12234 RIPE Region transit ASes present in the Internet Routing Table: 4122 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13550 Number of RIPE addresses announced to Internet: 733942400 Equivalent to 43 /8s, 191 /16s and 18 /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: 138730 Total LACNIC prefixes after maximum aggregation: 30952 LACNIC Deaggregation factor: 4.48 Prefixes being announced from the LACNIC address blocks: 132912 Unique aggregates announced from the LACNIC address blocks: 50325 LACNIC Region origin ASes present in the Internet Routing Table: 11445 LACNIC Prefixes per ASN: 11.61 LACNIC Region origin ASes announcing only one prefix: 2462 LACNIC Region transit ASes present in the Internet Routing Table: 2628 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9483 Number of LACNIC addresses announced to Internet: 169832128 Equivalent to 10 /8s, 31 /16s and 110 /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: 41883 Total AfriNIC prefixes after maximum aggregation: 7173 AfriNIC Deaggregation factor: 5.84 Prefixes being announced from the AfriNIC address blocks: 59476 Unique aggregates announced from the AfriNIC address blocks: 19442 AfriNIC Region origin ASes present in the Internet Routing Table: 2045 AfriNIC Prefixes per ASN: 29.08 AfriNIC Region origin ASes announcing only one prefix: 674 AfriNIC Region transit ASes present in the Internet Routing Table: 399 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1408 Number of AfriNIC addresses announced to Internet: 104315136 Equivalent to 6 /8s, 55 /16s and 185 /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 14115 8952 142 CHINAMOBILE-CN - China Mobile Communicati 7545 5870 824 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4952 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4790 4192 73 ERX-CERNET-BKB - China Education and Rese 18403 4554 347 25 FPT-VN - FPT Telecom Company, VN 45899 4467 1873 54 VNPT-AS-VN - VNPT Corp, VN 7552 4065 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3699 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3687 907 227 CMNET-Jiangsu-AP - China Mobile communica 17561 3439 216 599 LCS-AS-AP - LARUS Limited, HK 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 15105 41425 5624 AMAZON-02 - Amazon.com, Inc., US 22773 4763 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4595 305 1089 CABLEONE - CABLE ONE, INC., US 174 4054 8756 834 COGENT-174 - Cogent Communications, LLC, 7155 3871 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3721 1305 74 SHAW - Shaw Communications, CA 396982 3367 4868 515 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3135 54728 2386 DNIC-AS-00749 - United States Department 36352 3070 232 1046 AS-COLOCROSSING - HostPapa, US 7029 2640 2539 891 WINDSTREAM - Windstream Communications LL 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 7150 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4081 370 2474 M247 - M247 Europe SRL, RO 20940 3817 3389 110 AKAMAI-ASN1 - Akamai International B.V., 12389 3194 2318 870 ROSTELECOM-AS - PJSC Rostelecom, RU 212238 3008 218 2248 CDNEXT - Datacamp Limited, GB 34984 2483 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1727 1852 17 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U 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 12798 3256 632 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2347 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1930 369 65 AS11830 - Instituto Costarricense de Elec 28573 1579 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 11664 1482 277 34 AS11664 - Techtel LMDS Comunicaciones Int 3816 1343 772 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1225 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1092 71 361 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1072 2392 100 AS26615 - TIM S/A, 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 2027 633 35 Vodafone Data - Vodafone Data, EG 36992 1861 1532 337 ETISALAT MISR - ETISALAT MISR, EG 37457 1659 385 28 Telkom SA Ltd. - Telkom SA Ltd., ZA 20011 1301 193 313 Dimension Data - Dimension Data, ZA 36935 1292 523 45 Vodafone Data - Vodafone Data, EG 24863 1273 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1232 555 98 Office National des Postes et Telecommuni 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 622 56 173 Africa on Cloud - Africa on Cloud, ZA 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 15105 41425 5624 AMAZON-02 - Amazon.com, Inc., US 9808 14115 8952 142 CHINAMOBILE-CN - China Mobile Communicati 8151 12798 3256 632 AS8151 - UNINET, MX 12479 7150 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5870 824 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4952 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4790 4192 73 ERX-CERNET-BKB - China Education and Rese 22773 4763 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4595 305 1089 CABLEONE - CABLE ONE, INC., US 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 14115 13973 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12798 12166 AS8151 - UNINET, MX 12479 7150 7001 UNI2-AS - Orange Espagne SA, ES 7545 5870 5401 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 4538 4790 4717 ERX-CERNET-BKB - China Education and Research N 9498 4952 4624 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4554 4529 FPT-VN - FPT Telecom Company, VN 45899 4467 4413 VNPT-AS-VN - VNPT Corp, VN 22773 4763 4402 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 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 395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 33491 COMCAST-33491 - Comcast 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 - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 23.137.200.0/24 Origin: 16276 OVH - OVH SAS, FR 23.137.200.0/24 Transit: 3605 ERX-KUENTOS-AS - Guam Cablevision, LLC., 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 /10:39 /11:95 /12:299 /13:585 /14:1191 /15:2115 /16:13718 /17:8499 /18:14029 /19:26414 /20:47804 /21:53896 /22:115643 /23:114259 /24:682773 /25:75 /26:84 /27:112 /28:36 /29:62 /30:9 /31:3 /32:338 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7014 12798 AS8151 - UNINET, MX 12479 6082 7150 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3502 3721 SHAW - Shaw Communications, CA 11492 3471 4595 CABLEONE - CABLE ONE, INC., US 22773 3056 4763 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2826 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2738 15105 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2182 2526 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2591 2:2060 3:1000 4:7 5:5283 6:202 7:6 8:1459 9:69 11:172 12:1117 13:708 14:2748 15:467 16:220 17:444 18:929 20:635 21:4 22:188 23:8428 24:2776 25:2 27:2862 28:1 29:19 31:3830 32:40 34:92 35:290 36:4818 37:4484 38:11108 39:1311 40:411 41:4715 42:2159 43:3333 44:457 45:20743 46:5048 47:450 48:161 49:2354 50:2018 51:834 52:1350 54:291 55:1153 56:11 57:324 58:2993 59:1726 60:1182 61:3386 62:3207 63:1679 64:6449 65:2155 66:6039 67:3272 68:1259 69:4090 70:1052 71:617 72:3193 74:3103 75:1501 76:593 77:2921 78:2066 79:1746 80:2381 81:2312 82:4342 83:1467 84:2208 85:3856 86:1101 87:2837 88:1318 89:4761 90:803 91:8512 92:2786 93:3029 94:4558 95:4722 96:1451 97:309 98:944 99:855 100:69 101:1654 102:5402 103:32770 104:5487 105:2335 106:922 107:2954 108:1294 109:4024 110:2299 111:4210 112:3130 113:2125 114:2561 115:2354 116:2135 117:3638 118:3117 119:2235 120:3032 121:1731 122:3053 123:2296 124:2020 125:3053 126:158 128:1600 129:1024 130:1711 131:2555 132:899 133:483 134:1732 135:622 136:1471 137:1381 138:3665 139:1873 140:1877 141:1764 142:2589 143:2147 144:1788 145:658 146:2194 147:2268 148:2807 149:3334 150:1385 151:2961 152:2383 153:1767 154:9970 155:2363 156:5003 157:2466 158:1588 159:2868 160:3910 161:2030 162:4149 163:2635 164:2426 165:2798 166:1267 167:2382 168:4267 169:901 170:5886 171:1165 172:4897 173:3440 174:898 175:1400 176:4016 177:5802 178:4510 179:2704 180:3522 181:4758 182:4064 183:2880 184:2022 185:21964 186:6758 187:5433 188:4695 189:4737 190:10139 191:1826 192:11851 193:9659 194:7958 195:6031 196:3677 197:3890 198:6152 199:6082 200:8523 201:6674 202:11173 203:10951 204:4772 205:3746 206:4480 207:3878 208:4405 209:5467 210:5230 211:2887 212:5143 213:4123 214:1041 215:47 216:7266 217:3653 218:2074 219:635 220:2358 221:1350 222:1456 223:3643 End of report