[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Dec 13 22:25:53 UTC 2024
IPv4 R&E Routing Table Report 22:25 GMT Fri 13 Dec, 2024
IPv4 BGP Table (R&E) as seen at UH.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UniHawaii/
Analysis Summary
----------------
BGP routing table entries examined: 24901
Prefixes after maximum aggregation (per Origin AS): 13658
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 15878
Number of IPv4 prefixes with a valid ROA: 13352
Number of IPv4 prefixes with an invalid ROA: 27
Number of IPv4 prefixes with no ROA: 11522
Total ASes present in the Internet Routing Table: 2684
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 2304
Origin ASes announcing only one prefix: 1022
Transit ASes present in the Internet Routing Table: 380
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 20
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: 45978
Number of 32-bit ASNs visible in the Routing Table: 653
Prefixes from 32-bit ASNs in the Routing Table: 1841
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: 9
Number of addresses announced to Internet: 296414056
Equivalent to 17 /8s, 170 /16s and 235 /24s
Percentage of available address space announced: 8.0
Percentage of allocated address space announced: 8.0
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: 3569
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3806
Total APNIC prefixes after maximum aggregation: 1592
APNIC Deaggregation factor: 2.39
Prefixes being announced from the APNIC address blocks: 3980
Unique aggregates announced from the APNIC address blocks: 1995
APNIC Region origin ASes present in the Internet Routing Table: 425
APNIC Prefixes per ASN: 9.36
APNIC Region origin ASes announcing only one prefix: 181
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 183
Number of APNIC addresses announced to Internet: 33174312
Equivalent to 1 /8s, 250 /16s and 51 /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: 14890
Total ARIN prefixes after maximum aggregation: 8454
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 14225
Unique aggregates announced from the ARIN address blocks: 9455
ARIN Region origin ASes present in the Internet Routing Table: 1307
ARIN Prefixes per ASN: 10.88
ARIN Region origin ASes announcing only one prefix: 456
ARIN Region transit ASes present in the Internet Routing Table: 160
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 217
Number of ARIN addresses announced to Internet: 175119728
Equivalent to 10 /8s, 112 /16s and 29 /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: 3600
Total RIPE prefixes after maximum aggregation: 2894
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 4067
Unique aggregates announced from the RIPE address blocks: 3465
RIPE Region origin ASes present in the Internet Routing Table: 668
RIPE Prefixes per ASN: 6.09
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 109
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 158
Number of RIPE addresses announced to Internet: 80812160
Equivalent to 4 /8s, 209 /16s and 24 /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: 1455
Total LACNIC prefixes after maximum aggregation: 544
LACNIC Deaggregation factor: 2.67
Prefixes being announced from the LACNIC address blocks: 1465
Unique aggregates announced from the LACNIC address blocks: 729
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: 54
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
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: 4761680
Equivalent to 0 /8s, 72 /16s and 168 /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: 1149
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 6.64
Prefixes being announced from the AfriNIC address blocks: 1155
Unique aggregates announced from the AfriNIC address blocks: 225
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 22.65
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31
Number of AfriNIC addresses announced to Internet: 2542080
Equivalent to 0 /8s, 38 /16s and 202 /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 445 180 24 CSTNET-AS-AP Computer Network Information
7575 332 314 120 AARNET-AS-AP Australian Academic and Rese
1237 194 74 145 KREONET-AS-KR KISTI, KR
55824 146 19 20 NKN-CORE-NW NKN Core Network, IN
4538 139 4192 71 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
24313 70 16 1 NSW-DET-AS NSW Department of Education, A
4621 68 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4040 4894 1957 AMAZON-02, US
14618 1011 4484 762 AMAZON-AES, US
8075 708 16016 596 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 495 507 99 CENIC-2152, US
2920 226 44 49 LACOE, US
668 205 646 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
8987 82 227 59 AMAZON EXPANSION, IE
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 218 178 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 54 5 19 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 544 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 13 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4040 4894 1957 AMAZON-02, US
14618 1011 4484 762 AMAZON-AES, US
8075 708 16016 596 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 544 82 3 KENET-AS, KE
2152 495 507 99 CENIC-2152, US
7497 445 180 24 CSTNET-AS-AP Computer Network Information
2018 379 319 71 TENET-1, ZA
7575 332 314 120 AARNET-AS-AP Australian Academic and Rese
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 226 44 49 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 544 541 KENET-AS, KE
7497 445 421 CSTNET-AS-AP Computer Network Information Cente
2152 495 396 CENIC-2152, US
2018 379 308 TENET-1, ZA
14618 1011 249 AMAZON-AES, US
7575 332 212 AARNET-AS-AP Australian Academic and Research N
5786 198 197 UPRENET, PR
2920 226 177 LACOE, US
1916 218 175 Rede Nacional de Ensino e Pesquisa, BR
18558 141 136 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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/UniHawaii/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
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
192.225.212.0/24 Origin: 14618 AMAZON-AES, US
192.225.212.0/24 Transit: 16509 AMAZON-02, US
192.225.223.0/24 Origin: 14618 AMAZON-AES, US
192.225.223.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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 /10:3 /11:9 /12:32
/13:41 /14:84 /15:212 /16:2084 /17:476 /18:491
/19:635 /20:980 /21:1100 /22:1702 /23:1859 /24:14898
/25:40 /26:60 /27:96 /28:25 /29:63 /30:7
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 674 4040 AMAZON-02, US
36914 520 544 KENET-AS, KE
14618 315 1011 AMAZON-AES, US
8075 127 708 MICROSOFT-CORP-MSN-AS-BLOCK, US
8895 127 132 ISU Internet Services Unit ISU, SA
1916 60 218 Rede Nacional de Ensino e Pesquisa, BR
2152 59 495 CENIC-2152, US
1 42 128 LVLT-1, US
23024 37 97 OCDE, US
32440 37 62 LONI, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:166 4:2 5:21 6:4
8:2 12:2 13:86 14:93 15:104 16:129
18:155 23:51 24:1 31:4 34:2 35:47
38:11 40:5 41:222 42:11 44:6 45:83
46:11 47:1 49:10 50:11 52:835 54:178
58:1 59:19 60:5 61:3 62:14 63:39
64:152 65:25 66:99 67:70 68:28 69:65
70:22 71:16 72:19 74:83 75:1 76:50
77:12 78:3 79:10 80:12 81:26 82:7
83:7 84:8 85:49 86:5 87:2 88:1
89:19 91:58 92:6 93:38 94:6 95:3
96:7 97:1 98:14 99:68 101:1 102:16
103:278 104:134 107:8 108:38 109:7 111:18
113:5 114:24 115:1 116:14 117:66 118:33
119:23 121:28 122:11 124:41 125:5 128:82
129:41 130:169 131:80 132:64 134:109 135:6
136:225 137:247 138:82 139:29 140:50 141:14
142:81 143:35 144:44 145:8 146:140 147:76
148:206 149:19 150:48 151:38 152:149 153:78
154:40 155:112 156:134 157:40 158:44 159:170
160:12 161:52 162:78 163:68 164:29 165:77
166:7 167:39 168:174 169:15 170:195 171:1
172:19 173:37 174:2 175:5 176:5 177:6
178:3 179:14 180:16 181:1 182:6 184:9
185:114 186:3 187:22 188:17 189:3 190:18
191:13 192:1567 193:295 194:133 195:78 196:147
197:334 198:626 199:372 200:285 201:37 202:465
203:465 204:447 205:208 206:248 207:346 208:141
209:197 210:203 211:3 212:176 213:24 214:8
216:221 217:13 218:23 219:2 220:16 222:2
223:15
End of report
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