[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Nov 19 21:21:15 UTC 2023
IPv4 R&E Routing Table Report 21:20 GMT Sun 19 Nov, 2023
IPv4 BGP Table (R&E) as seen at Guam.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UniGuam/
Analysis Summary
----------------
BGP routing table entries examined: 14740
Prefixes after maximum aggregation (per Origin AS): 8006
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 9073
Number of IPv4 prefixes with a valid ROA: 4510
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 10230
Total ASes present in the Internet Routing Table: 2098
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 1775
Origin ASes announcing only one prefix: 797
Transit ASes present in the Internet Routing Table: 323
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 12
Average AS path length visible in the Internet Routing Table: 5.5
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 43080
Number of 32-bit ASNs visible in the Routing Table: 487
Prefixes from 32-bit ASNs in the Routing Table: 1533
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 157880612
Equivalent to 9 /8s, 105 /16s and 17 /24s
Percentage of available address space announced: 4.3
Percentage of allocated address space announced: 4.3
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: 1880
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3313
Total APNIC prefixes after maximum aggregation: 1495
APNIC Deaggregation factor: 2.22
Prefixes being announced from the APNIC address blocks: 3314
Unique aggregates announced from the APNIC address blocks: 1703
APNIC Region origin ASes present in the Internet Routing Table: 369
APNIC Prefixes per ASN: 8.98
APNIC Region origin ASes announcing only one prefix: 160
APNIC Region transit ASes present in the Internet Routing Table: 50
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 157
Number of APNIC addresses announced to Internet: 31321132
Equivalent to 1 /8s, 221 /16s and 236 /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, 131072-153913
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: 5670
Total ARIN prefixes after maximum aggregation: 3069
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 5687
Unique aggregates announced from the ARIN address blocks: 3558
ARIN Region origin ASes present in the Internet Routing Table: 844
ARIN Prefixes per ASN: 6.74
ARIN Region origin ASes announcing only one prefix: 295
ARIN Region transit ASes present in the Internet Routing Table: 129
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 125
Number of ARIN addresses announced to Internet: 64245320
Equivalent to 3 /8s, 212 /16s and 78 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3348
Total RIPE prefixes after maximum aggregation: 2657
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3335
Unique aggregates announced from the RIPE address blocks: 2704
RIPE Region origin ASes present in the Internet Routing Table: 608
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 263
RIPE Region transit ASes present in the Internet Routing Table: 92
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 124
Number of RIPE addresses announced to Internet: 55698944
Equivalent to 3 /8s, 81 /16s and 230 /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,
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: 1435
Total LACNIC prefixes after maximum aggregation: 565
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1433
Unique aggregates announced from the LACNIC address blocks: 750
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.79
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4143280
Equivalent to 0 /8s, 63 /16s and 56 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 971
Total AfriNIC prefixes after maximum aggregation: 217
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 971
Unique aggregates announced from the AfriNIC address blocks: 358
AfriNIC Region origin ASes present in the Internet Routing Table: 37
AfriNIC Prefixes per ASN: 26.24
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 2471936
Equivalent to 0 /8s, 37 /16s and 184 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
7575 352 330 126 AARNET-AS-AP Australian Academic and Re
1237 200 74 142 KREONET-AS-KR KISTI, KR
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4762 70 4 1 MAHIDOL-BORDER-AS Mahidol University, T
24313 70 16 1 NSW-DET-AS NSW Department of Education,
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 58 4 34 ERX-ERNET-AS Education and Research Net
1659 51 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 175 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
1 124 2 46 LVLT-1, US
270 118 329 82 AS270, US
23024 112 7 19 OCDE, US
2920 111 34 9 LACOE, US
32440 111 35 18 LONI, US
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 156 24 3 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 76 462 76 BELWUE BelWue-Koordination, DE
3267 68 69 51 RUNNET, RU
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 8 49 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
61468 34 2 12 CEDIA, EC
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 381 319 71 TENET-1, ZA
36914 243 73 27 KENET-AS, KE
327687 111 9 41 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 381 319 71 TENET-1, ZA
7575 352 330 126 AARNET-AS-AP Australian Academic and Re
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 243 73 27 KENET-AS, KE
376 202 178 151 RISQ-AS, CA
1237 200 74 142 KREONET-AS-KR KISTI, KR
5786 197 16 1 UPRENET, PR
786 185 1767 182 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2018 381 310 TENET-1, ZA
7575 352 226 AARNET-AS-AP Australian Academic and Research N
36914 243 216 KENET-AS, KE
1916 250 207 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
8895 156 153 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
55824 127 110 NKN-CORE-NW NKN Core Network, IN
2920 111 102 LACOE, US
81 127 97 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:1 /12:10
/13:17 /14:27 /15:115 /16:1453 /17:343 /18:344
/19:410 /20:644 /21:669 /22:1089 /23:1184 /24:8022
/25:81 /26:56 /27:133 /28:36 /29:77 /30:16
/31:5 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 234 243 KENET-AS, KE
8895 151 156 ISU Internet Services Unit ISU, SA
32440 81 111 LONI, US
23024 52 112 OCDE, US
1 42 124 LVLT-1, US
1916 40 250 Rede Nacional de Ensino e Pesquisa, BR
327700 37 43 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 30 44 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:2 5:15 8:2 14:89 23:5
24:1 31:7 35:2 38:7 41:117 42:10
44:5 45:30 46:5 47:1 49:9 50:4
58:1 59:3 60:5 61:2 62:11 63:3
64:21 65:1 66:19 67:41 68:4 69:13
70:2 72:5 74:12 76:41 77:9 78:2
79:10 80:13 81:24 82:7 83:5 84:7
85:22 86:4 87:1 89:9 91:41 92:2
93:3 94:4 95:2 96:5 97:1 98:2
101:2 102:27 103:197 104:75 108:2 109:7
111:1 113:1 114:23 116:6 117:61 119:18
121:9 122:8 123:8 124:40 125:4 128:64
129:38 130:85 131:37 132:56 134:45 136:197
137:255 138:19 139:13 140:30 141:1 142:36
143:22 144:23 145:1 146:130 147:26 148:192
149:11 150:42 151:12 152:131 153:78 154:30
155:52 156:64 157:16 158:33 159:114 160:8
161:10 162:26 163:66 164:7 165:49 166:1
167:13 168:117 169:4 170:66 171:1 172:3
173:7 175:18 176:8 177:6 179:9 180:15
181:1 182:4 185:47 186:3 187:17 188:13
189:4 190:12 191:12 192:1068 193:277 194:112
195:59 196:159 197:158 198:293 199:110 200:307
201:38 202:285 203:320 204:281 205:89 206:142
207:111 208:69 209:110 210:193 211:14 212:156
213:5 216:44 217:9 218:22 220:16 222:2
223:14
End of report
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