[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jan 21 21:29:42 UTC 2025
IPv4 R&E Routing Table Report 21:20 GMT Tue 21 Jan, 2025
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: 18716
Prefixes after maximum aggregation (per Origin AS): 9073
Deaggregation factor: 2.06
Unique aggregates announced (without unneeded subnets): 229
Number of IPv4 prefixes with a valid ROA: 7311
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 11405
Total ASes present in the Internet Routing Table: 2640
Prefixes per ASN: 7.09
Origin-only ASes present in the Internet Routing Table: 2249
Origin ASes announcing only one prefix: 994
Transit ASes present in the Internet Routing Table: 391
Transit-only ASes present in the Internet Routing Table: 93
Paths with bogon ASNs present in the IPv4 Routing Table: 100
Average AS path length visible in the Internet Routing Table: 5.6
Max AS path length visible: 21
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 46055
Number of 32-bit ASNs visible in the Routing Table: 648
Prefixes from 32-bit ASNs in the Routing Table: 1761
Number of bogon 32-bit ASNs visible in the Routing Table: 66
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1
Number of addresses announced to Internet: 3224584368
Equivalent to 192 /8s, 51 /16s and 64 /24s
Percentage of available address space announced: 87.1
Percentage of allocated address space announced: 87.1
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: 1917
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3941
Total APNIC prefixes after maximum aggregation: 1676
APNIC Deaggregation factor: 2.35
Prefixes being announced from the APNIC address blocks: 3942
Unique aggregates announced from the APNIC address blocks: 10
APNIC Region origin ASes present in the Internet Routing Table: 466
APNIC Prefixes per ASN: 8.46
APNIC Region origin ASes announcing only one prefix: 193
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 196
Number of APNIC addresses announced to Internet: 663040
Equivalent to 0 /8s, 10 /16s and 30 /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: 8776
Total ARIN prefixes after maximum aggregation: 4830
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 8772
Unique aggregates announced from the ARIN address blocks: 181
ARIN Region origin ASes present in the Internet Routing Table: 1258
ARIN Prefixes per ASN: 6.97
ARIN Region origin ASes announcing only one prefix: 441
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 201
Number of ARIN addresses announced to Internet: -2144930896
Equivalent to 128 /8s, 38 /16s and 243 /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: 3288
Total RIPE prefixes after maximum aggregation: 1883
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 3293
Unique aggregates announced from the RIPE address blocks: 36
RIPE Region origin ASes present in the Internet Routing Table: 598
RIPE Prefixes per ASN: 5.51
RIPE Region origin ASes announcing only one prefix: 275
RIPE Region transit ASes present in the Internet Routing Table: 104
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: 142
Number of RIPE addresses announced to Internet: 141056
Equivalent to 0 /8s, 2 /16s and 39 /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: 1535
Total LACNIC prefixes after maximum aggregation: 527
LACNIC Deaggregation factor: 2.91
Prefixes being announced from the LACNIC address blocks: 1534
Unique aggregates announced from the LACNIC address blocks: 0
LACNIC Region origin ASes present in the Internet Routing Table: 172
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80
Number of LACNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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: 1175
Total AfriNIC prefixes after maximum aggregation: 156
AfriNIC Deaggregation factor: 7.53
Prefixes being announced from the AfriNIC address blocks: 1174
Unique aggregates announced from the AfriNIC address blocks: 2
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 22.58
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 1073743872
Equivalent to 64 /8s, 0 /16s and 8 /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
7497 450 262242 30 CSTNET-AS-AP Computer Network Informatio
1237 195 786482 172 KREONET-AS-KR KISTI, KR
7575 189 262159 86 AARNET-AS-AP Australian Academic and Res
55824 146 524306 11 NKN-CORE-NW NKN Core Network, IN
10079 145 16 1 UNIWESTSYD-AS-AP University of Western Sy
4538 140 4189 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 524322 15 UNINET-AS-AP UNINET-, TH
24313 66 16 1 NSW-DET-AS NSW Department of Education, A
2697 59 524291 35 ERX-ERNET-AS Education and Research Netw
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
2152 507 786717 65 CENIC-2152, US
2920 226 786470 55 LACOE, US
668 206 786717 101 DNIC-AS-00668, US
376 201 786586 161 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 140 18 5 NETBLK-RCOEK, US
81 129 524806 34 NCREN, US
1 128 524289 50 LVLT-1, US
270 117 312 84 AS270, US
23024 99 524292 18 OCDE, 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
680 284 140 36 DFN Verein zur Foerderung eines Deutschen
786 186 786928 43 JANET Jisc Services Limited, GB
8895 131 262168 5 ISU Internet Services Unit ISU, SA
559 114 262649 34 SWITCH Peering requests: peering at switch.
1103 96 787323 50 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 262164 19 ROEDUNET, RO
137 82 262738 38 ASGARR Consortium GARR, IT
1930 79 262165 5 RCCN Fundacao para a Ciencia e a Tecnolo
553 78 524737 78 BELWUE BelWue-Koordination, DE
2200 64 524884 59 FR-RENATER Reseau National de telecommun
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 219 524445 56 Rede Nacional de Ensino e Pesquisa, BR
28391 157 262149 29 Universidad Juarez Autonoma de Tabasco,
11340 109 262146 8 Red Universitaria Nacional, CL
271640 67 0 67 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 53 16 1 Red de Interconexion Universitaria, AR
61468 52 262144 4 CEDIA, EC
2715 49 262243 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 16 13 Associacao Antonio Vieira - Unisinos, BR
3596 40 262150 3 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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
36914 547 82 3 KENET-AS, KE
2018 379 262449 73 TENET-1, ZA
8094 47 262150 4 PUKNET, ZA
37182 36 8 1 TERNET, TZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 12 262148 2 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
327700 11 16 1 MoRENet, MZ
36982 8 262160 3 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
36914 547 82 3 KENET-AS, KE
2152 507 786717 65 CENIC-2152, US
7497 450 262242 30 CSTNET-AS-AP Computer Network Informatio
2018 379 262449 73 TENET-1, ZA
680 284 140 36 DFN Verein zur Foerderung eines Deutschen
2920 226 786470 55 LACOE, US
1916 219 524445 56 Rede Nacional de Ensino e Pesquisa, BR
668 206 786717 101 DNIC-AS-00668, US
376 201 786586 161 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2152 507 442 CENIC-2152, US
7497 450 420 CSTNET-AS-AP Computer Network Information Cente
2018 379 306 TENET-1, ZA
680 284 248 DFN Verein zur Foerderung eines Deutschen Forsc
5786 197 196 UPRENET, PR
2920 226 171 LACOE, US
1916 219 163 Rede Nacional de Ensino e Pesquisa, BR
10079 145 144 UNIWESTSYD-AS-AP University of Western Sydney,
786 186 143 JANET Jisc Services Limited, GB
55824 146 135 NKN-CORE-NW NKN Core Network, IN
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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/2 Origin: 37661 NRaE1-AS, NG
164.160.192.0/2 Transit: 37288 WACREN, SN
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:367 /2:4870 /3:3 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:1 /12:11
/13:17 /14:31 /15:117 /16:1804 /17:276 /18:302
/19:384 /20:565 /21:565 /22:900 /23:968 /24:7317
/25:24 /26:44 /27:87 /28:11 /29:46 /30:4
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 373 547 KENET-AS, KE
8895 86 131 ISU Internet Services Unit ISU, SA
1916 43 219 Rede Nacional de Ensino e Pesquisa, BR
37182 35 36 TERNET, TZ
23024 34 99 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
32440 31 58 LONI, US
25977 30 44 HCCS, US
1 29 128 LVLT-1, 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 6:4 8:2 12:1
14:94 23:14 24:1 31:1 35:6 37:8
38:11 40:1 41:251 42:11 44:4 45:59
46:4 47:1 49:11 50:4 52:1 59:19
60:6 61:3 62:6 63:32 64:45 65:5
66:43 67:41 68:21 69:20 70:2 71:1
72:8 74:52 76:38 77:8 78:3 79:10
80:7 81:24 82:3 83:6 84:9 85:25
86:4 87:1 88:1 89:11 91:42 93:13
94:2 95:2 96:5 97:1 98:2 102:3
103:174 104:45 108:10 111:16 113:1 114:24
116:9 117:61 119:23 121:24 123:8 124:42
125:5 128:52 129:21 130:54 131:39 132:26
134:94 136:86 137:117 138:65 139:7 140:15
141:1 142:33 143:15 144:21 146:124 147:38
148:86 149:8 150:21 151:8 152:130 153:13
154:43 155:45 156:129 157:23 158:18 159:44
160:2 161:8 162:24 163:30 164:6 165:7
166:3 167:21 168:61 169:3 170:44 172:1
173:6 175:11 176:1 177:12 179:15 180:16
182:10 185:27 186:2 187:21 188:9 189:3
190:16 191:14 192:1014 193:183 194:82 195:48
196:145 197:183 198:295 199:170 200:161 201:33
202:430 203:244 204:218 205:83 206:123 207:197
208:35 209:111 210:151 211:2 212:88 213:3
214:9 216:51 217:4 218:3 220:13 223:15
End of report
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