[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Aug 25 21:21:26 UTC 2023
IPv4 R&E Routing Table Report 21:20 GMT Fri 25 Aug, 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: 20856
Prefixes after maximum aggregation (per Origin AS): 11443
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 13915
Number of IPv4 prefixes with a valid ROA: 9976
Number of IPv4 prefixes with an invalid ROA: 39
Number of IPv4 prefixes with no ROA: 10841
Total ASes present in the Internet Routing Table: 2174
Prefixes per ASN: 9.59
Origin-only ASes present in the Internet Routing Table: 1827
Origin ASes announcing only one prefix: 816
Transit ASes present in the Internet Routing Table: 347
Transit-only ASes present in the Internet Routing Table: 89
Paths with bogon ASNs present in the IPv4 Routing Table: 100
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 17
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 42498
Number of 32-bit ASNs visible in the Routing Table: 488
Prefixes from 32-bit ASNs in the Routing Table: 1513
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: 4
Number of addresses announced to Internet: 257590136
Equivalent to 15 /8s, 90 /16s and 131 /24s
Percentage of available address space announced: 7.0
Percentage of allocated address space announced: 7.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 2878
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3343
Total APNIC prefixes after maximum aggregation: 1499
APNIC Deaggregation factor: 2.23
Prefixes being announced from the APNIC address blocks: 3454
Unique aggregates announced from the APNIC address blocks: 1816
APNIC Region origin ASes present in the Internet Routing Table: 384
APNIC Prefixes per ASN: 8.99
APNIC Region origin ASes announcing only one prefix: 163
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 159
Number of APNIC addresses announced to Internet: 33151292
Equivalent to 1 /8s, 249 /16s and 217 /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: 11824
Total ARIN prefixes after maximum aggregation: 6418
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11462
Unique aggregates announced from the ARIN address blocks: 7912
ARIN Region origin ASes present in the Internet Routing Table: 893
ARIN Prefixes per ASN: 12.84
ARIN Region origin ASes announcing only one prefix: 311
ARIN Region transit ASes present in the Internet Routing Table: 143
Average ARIN Region AS path length visible: 4.8
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 125
Number of ARIN addresses announced to Internet: 151875980
Equivalent to 9 /8s, 13 /16s and 113 /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: 3393
Total RIPE prefixes after maximum aggregation: 2680
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3632
Unique aggregates announced from the RIPE address blocks: 2997
RIPE Region origin ASes present in the Internet Routing Table: 608
RIPE Prefixes per ASN: 5.97
RIPE Region origin ASes announcing only one prefix: 263
RIPE Region transit ASes present in the Internet Routing Table: 95
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 121
Number of RIPE addresses announced to Internet: 65377024
Equivalent to 3 /8s, 229 /16s and 147 /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: 1457
Total LACNIC prefixes after maximum aggregation: 556
LACNIC Deaggregation factor: 2.62
Prefixes being announced from the LACNIC address blocks: 1465
Unique aggregates announced from the LACNIC address blocks: 762
LACNIC Region origin ASes present in the Internet Routing Table: 157
LACNIC Prefixes per ASN: 9.33
LACNIC Region origin ASes announcing only one prefix: 59
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: 64
Number of LACNIC addresses announced to Internet: 4712112
Equivalent to 0 /8s, 71 /16s and 230 /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: 837
Total AfriNIC prefixes after maximum aggregation: 288
AfriNIC Deaggregation factor: 2.91
Prefixes being announced from the AfriNIC address blocks: 839
Unique aggregates announced from the AfriNIC address blocks: 424
AfriNIC Region origin ASes present in the Internet Routing Table: 42
AfriNIC Prefixes per ASN: 19.98
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 19
Number of AfriNIC addresses announced to Internet: 2407424
Equivalent to 0 /8s, 36 /16s and 188 /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 434 180 23 CSTNET-AS-AP Computer Network Informati
7575 353 330 126 AARNET-AS-AP Australian Academic and Re
1237 198 74 139 KREONET-AS-KR KISTI, KR
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 124 18 17 NKN-CORE-NW NKN Core Network, IN
24313 70 16 1 NSW-DET-AS NSW Department of Education,
4762 61 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 51 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
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
16509 4443 4797 2027 AMAZON-02, US
14618 809 4019 608 AMAZON-AES, US
8075 371 12790 315 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
668 189 635 162 DNIC-AS-00668, US
2152 183 507 94 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
1 122 2 46 LVLT-1, 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 160 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 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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 260 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 8 48 Red Universitaria Nacional, CL
271640 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
4270 49 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
263683 33 10 21 Universidad de Costa Rica, CR
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 361 319 71 TENET-1, ZA
36914 146 17 93 KENET-AS, KE
327687 108 9 40 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37074 11 7 7 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 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
16509 4443 4797 2027 AMAZON-02, US
14618 809 4019 608 AMAZON-AES, US
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
8075 371 12790 315 MICROSOFT-CORP-MSN-AS-BLOCK, US
2018 361 319 71 TENET-1, ZA
7575 353 330 126 AARNET-AS-AP Australian Academic and Re
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 260 176 43 Rede Nacional de Ensino e Pesquisa, BR
376 202 178 150 RISQ-AS, CA
1237 198 74 139 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
2018 361 290 TENET-1, ZA
7575 353 227 AARNET-AS-AP Australian Academic and Research N
1916 260 217 Rede Nacional de Ensino e Pesquisa, BR
14618 809 201 AMAZON-AES, US
5786 197 196 UPRENET, PR
8895 160 157 ISU Internet Services Unit ISU, SA
18558 136 132 NETBLK-RCOEK, US
2920 117 108 LACOE, US
55824 124 107 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/UniGuam/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 /8:0 /9:1 /10:4 /11:9 /12:29
/13:36 /14:76 /15:198 /16:1633 /17:423 /18:397
/19:480 /20:812 /21:1044 /22:1538 /23:1663 /24:12069
/25:83 /26:60 /27:138 /28:45 /29:81 /30:18
/31:4 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 709 4443 AMAZON-02, US
14618 263 809 AMAZON-AES, US
8895 155 160 ISU Internet Services Unit ISU, SA
36914 137 146 KENET-AS, KE
32440 80 109 LONI, US
8075 69 371 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 113 OCDE, US
1 40 122 LVLT-1, US
1916 39 260 Rede Nacional de Ensino e Pesquisa, BR
327700 35 41 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:124 4:2 5:20 6:4
8:1 13:178 14:88 15:132 16:112 18:249
23:46 24:1 31:7 34:2 35:13 38:7
40:1 41:88 42:10 44:7 45:55 46:11
47:1 49:9 50:9 52:883 54:267 58:2
59:3 60:4 61:2 62:17 63:8 64:125
65:35 66:73 67:60 68:7 69:46 70:24
71:44 72:16 74:38 76:48 77:11 78:2
79:10 80:13 81:23 82:6 83:4 84:9
85:32 86:4 87:2 88:1 89:12 91:49
92:4 93:3 94:8 95:2 96:7 97:2
98:13 99:79 101:2 102:32 103:250 104:119
107:1 108:73 109:11 111:3 113:5 114:23
115:1 116:10 117:61 119:18 121:9 122:11
123:8 124:39 125:4 128:63 129:47 130:157
131:54 132:52 134:47 135:3 136:214 137:275
138:27 139:26 140:36 141:5 142:57 143:35
144:48 145:4 146:130 147:39 148:202 149:16
150:48 151:23 152:141 153:78 154:30 155:80
156:71 157:29 158:43 159:164 160:9 161:45
162:58 163:84 164:16 165:57 166:2 167:25
168:167 169:8 170:155 171:1 172:10 173:27
174:2 175:26 176:13 177:5 178:2 179:10
180:15 181:1 182:4 184:2 185:88 186:3
187:17 188:14 189:3 190:7 191:13 192:1175
193:299 194:121 195:42 196:156 197:87 198:366
199:205 200:329 201:34 202:280 203:336 204:322
205:140 206:168 207:162 208:116 209:147 210:188
211:14 212:170 213:17 214:5 216:134 217:10
218:22 220:16 222:2 223:14
End of report
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