[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Wed Mar 8 22:25:47 UTC 2023


IPv4 R&E Routing Table Report   22:25 GMT Wed 08 Mar, 2023

  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:                               23866
    Prefixes after maximum aggregation (per Origin AS):           13002
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       15510
    Number of IPv4 prefixes with a valid ROA:                      9801
    Number of IPv4 prefixes with an invalid ROA:                    106
    Number of IPv4 prefixes with no ROA:                          13959
Total ASes present in the Internet Routing Table:                  2731
    Prefixes per ASN:                                              8.74
Origin-only ASes present in the Internet Routing Table:            2346
Origin ASes announcing only one prefix:                            1031
Transit ASes present in the Internet Routing Table:                 385
Transit-only ASes present in the Internet Routing Table:             76
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41375
Number of 32-bit ASNs visible in the Routing Table:                 632
Prefixes from 32-bit ASNs in the Routing Table:                    1786
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:              5
Number of addresses announced to Internet:                    284037046
    Equivalent to 16 /8s, 238 /16s and 15 /24s
    Percentage of available address space announced:                7.7
    Percentage of allocated address space announced:                7.7
    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:        3381

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4011
    Total APNIC prefixes after maximum aggregation:                1658
    APNIC Deaggregation factor:                                    2.42
Prefixes being announced from the APNIC address blocks:            4118
    Unique aggregates announced from the APNIC address blocks:     1988
APNIC Region origin ASes present in the Internet Routing Table:     476
    APNIC Prefixes per ASN:                                        8.65
APNIC Region origin ASes announcing only one prefix:                204
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               33627948
    Equivalent to 2 /8s, 1 /16s and 31 /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, 131072-151865
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:                     13808
    Total ARIN prefixes after maximum aggregation:                 7701
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            13467
    Unique aggregates announced from the ARIN address blocks:      9279
ARIN Region origin ASes present in the Internet Routing Table:     1280
    ARIN Prefixes per ASN:                                        10.52
ARIN Region origin ASes announcing only one prefix:                 442
ARIN Region transit ASes present in the Internet Routing Table:     169
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     190
Number of ARIN addresses announced to Internet:               175635290
    Equivalent to 10 /8s, 119 /16s and 251 /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:                      3615
    Total RIPE prefixes after maximum aggregation:                 2863
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3844
    Unique aggregates announced from the RIPE address blocks:      3156
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.62
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     144
Number of RIPE addresses announced to Internet:                67449856
    Equivalent to 4 /8s, 5 /16s and 52 /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
                       196608-213403
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:                    1392
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1397
    Unique aggregates announced from the LACNIC address blocks:     789
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       8.90
LACNIC Region origin ASes announcing only one prefix:                58
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:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4534064
    Equivalent to 0 /8s, 69 /16s and 47 /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:                   1034
    Total AfriNIC prefixes after maximum aggregation:               206
    AfriNIC Deaggregation factor:                                  5.02
Prefixes being announced from the AfriNIC address blocks:          1035
    Unique aggregates announced from the AfriNIC address blocks:    293
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     19.53
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2788352
    Equivalent to 0 /8s, 42 /16s and 140 /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         435        182      24  CSTNET-AS-AP Computer Network Informati
  7575         350        330     125  AARNET-AS-AP Australian Academic and Re
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
 24313          83         16       1  NSW-DET-AS NSW Department of Education,
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 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        4090       4769    1823  AMAZON-02, US
 14618         747       3994     555  AMAZON-AES, US
  8075         323      12787     277  MICROSOFT-CORP-MSN-AS-BLOCK, US
   668         216        702     180  DNIC-AS-00668, US
   376         199        178     149  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         189        507      93  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
     1         122          2      46  LVLT-1, 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         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  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/UniHawaii/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          57         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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
  2018         377        319      71  TENET-1, ZA
 36914         248         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          61         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
 37182          32          8       1  TERNET, TZ
327700          31         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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        4090       4769    1823  AMAZON-02, US
 14618         747       3994     555  AMAZON-AES, US
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         377        319      71  TENET-1, ZA
  7575         350        330     125  AARNET-AS-AP Australian Academic and Re
  8075         323      12787     277  MICROSOFT-CORP-MSN-AS-BLOCK, US
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         248         82       3  KENET-AS, KE
   668         216        702     180  DNIC-AS-00668, US
   376         199        178     149  RISQ-AS, CA

Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         377          306  TENET-1, ZA
 36914         248          245  KENET-AS, KE
  7575         350          225  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
 14618         747          192  AMAZON-AES, US
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
  2920         117          108  LACOE, 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
     65300  PRIVATE      103.252.172.0/22        133465  DKU-AS-AP Duke Kunshan Unive
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, 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
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    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       /10:4       /11:9       /12:29      
/13:36      /14:82      /15:202     /16:1970    /17:458     /18:467     
/19:603     /20:993     /21:1128    /22:1789    /23:1880    /24:13749   
/25:83      /26:58      /27:159     /28:44      /29:79      /30:23      
/31:3       /32:17      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 16509         731        4090  AMAZON-02, US
 14618         247         747  AMAZON-AES, US
 36914         235         248  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          79         104  LONI, US
  8075          53         323  MICROSOFT-CORP-MSN-AS-BLOCK, US
 23024          52         113  OCDE, US
     1          40         122  LVLT-1, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US

Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         2:1         3:92        4:2         5:17        6:4      
   8:2        12:1        13:187      14:89       15:130      16:29     
  18:178      23:52       24:1        31:7        35:16       37:1      
  38:9        40:1        41:137      42:10       44:5        45:53     
  46:11       47:1        49:7        50:10       52:874      54:267    
  58:2        59:20       60:4        61:3        62:18       63:38     
  64:152      65:37       66:88       67:65       68:18       69:49     
  70:27       71:48       72:18       74:84       76:47       77:11     
  78:4        79:10       80:17       81:28       82:6        83:6      
  84:8        85:46       86:5        87:2        88:1        89:13     
  91:55       92:2        93:4        94:8        95:2        96:7      
  97:2        98:13       99:83      101:6       102:16      103:327    
 104:117     107:1       108:83      109:12      110:2       111:17     
 113:5       114:23      115:1       116:8       117:61      118:34     
 119:21      121:27      122:11      124:39      125:4       128:80     
 129:50      130:151     131:74      132:44      134:99      135:4      
 136:216     137:250     138:25      139:28      140:57      141:5      
 142:56      143:40      144:64      145:4       146:133     147:64     
 148:205     149:16      150:136     151:13      152:148     153:91     
 154:30      155:77      156:71      157:44      158:43      159:164    
 160:6       161:39      162:66      163:80      164:22      165:61     
 166:1       167:25      168:178     169:13      170:137     171:1      
 172:10      173:22      174:2       175:31      176:13      177:9      
 178:2       179:11      180:14      181:1       182:4       184:4      
 185:89      186:3       187:19      188:15      189:3       190:18     
 191:36      192:1469    193:354     194:136     195:88      196:165    
 197:151     198:564     199:346     200:218     201:39      202:443    
 203:444     204:387     205:170     206:210     207:193     208:121    
 209:144     210:185     211:17      212:175     213:16      214:8      
 216:168     217:10      218:22      219:1       220:17      222:5      
 223:4      

End of report


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