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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 7 22:25:51 UTC 2024


IPv4 R&E Routing Table Report   22:25 GMT Thu 07 Mar, 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:                               23406
    Prefixes after maximum aggregation (per Origin AS):           12942
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       15033
    Number of IPv4 prefixes with a valid ROA:                     10900
    Number of IPv4 prefixes with an invalid ROA:                     68
    Number of IPv4 prefixes with no ROA:                          12438
Total ASes present in the Internet Routing Table:                  2710
    Prefixes per ASN:                                              8.64
Origin-only ASes present in the Internet Routing Table:            2340
Origin ASes announcing only one prefix:                            1023
Transit ASes present in the Internet Routing Table:                 370
Transit-only ASes present in the Internet Routing Table:             71
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:                                      17
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      43780
Number of 32-bit ASNs visible in the Routing Table:                 658
Prefixes from 32-bit ASNs in the Routing Table:                    2030
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:              6
Number of addresses announced to Internet:                    277994516
    Equivalent to 16 /8s, 145 /16s and 220 /24s
    Percentage of available address space announced:                7.5
    Percentage of allocated address space announced:                7.5
    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:        3115

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

Prefixes being announced by APNIC Region ASes:                     4050
    Total APNIC prefixes after maximum aggregation:                1713
    APNIC Deaggregation factor:                                    2.36
Prefixes being announced from the APNIC address blocks:            4184
    Unique aggregates announced from the APNIC address blocks:     2104
APNIC Region origin ASes present in the Internet Routing Table:     471
    APNIC Prefixes per ASN:                                        8.88
APNIC Region origin ASes announcing only one prefix:                198
APNIC Region transit ASes present in the Internet Routing Table:     54
Average APNIC Region AS path length visible:                        5.4
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    210
Number of APNIC addresses announced to Internet:               33400900
    Equivalent to 1 /8s, 253 /16s and 168 /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:                     13297
    Total ARIN prefixes after maximum aggregation:                 7573
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            12888
    Unique aggregates announced from the ARIN address blocks:      8660
ARIN Region origin ASes present in the Internet Routing Table:     1273
    ARIN Prefixes per ASN:                                        10.12
ARIN Region origin ASes announcing only one prefix:                 435
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     202
Number of ARIN addresses announced to Internet:               169732128
    Equivalent to 10 /8s, 29 /16s and 232 /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:                      3642
    Total RIPE prefixes after maximum aggregation:                 2898
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3910
    Unique aggregates announced from the RIPE address blocks:      3258
RIPE Region origin ASes present in the Internet Routing Table:      678
    RIPE Prefixes per ASN:                                         5.77
RIPE Region origin ASes announcing only one prefix:                 304
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     149
Number of RIPE addresses announced to Internet:                67312512
    Equivalent to 4 /8s, 3 /16s and 27 /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:                    1415
    Total LACNIC prefixes after maximum aggregation:                573
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1423
    Unique aggregates announced from the LACNIC address blocks:     775
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.62
LACNIC Region origin ASes announcing only one prefix:                60
LACNIC Region transit ASes present in the Internet Routing Table:    26
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:    69
Number of LACNIC addresses announced to Internet:               4781616
    Equivalent to 0 /8s, 72 /16s and 246 /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:                    991
    Total AfriNIC prefixes after maximum aggregation:               176
    AfriNIC Deaggregation factor:                                  5.63
Prefixes being announced from the AfriNIC address blocks:           995
    Unique aggregates announced from the AfriNIC address blocks:    230
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     19.90
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2764288
    Equivalent to 0 /8s, 42 /16s and 46 /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         441        180      23  CSTNET-AS-AP Computer Network Informati
  7575         334        330     122  AARNET-AS-AP Australian Academic and Re
  1237         195         74     142  KREONET-AS-KR KISTI, KR
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          71          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
 24313          70         16       1  NSW-DET-AS NSW Department of Education,
  9411          66         16       2  NONTRINET-AS-AP Kasetsart 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        3561       3915    1628  AMAZON-02, US
 14618         867       4162     652  AMAZON-AES, US
  8075         443      12797     371  MICROSOFT-CORP-MSN-AS-BLOCK, US
   668         202        648     171  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         175        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
     1         127          2      47  LVLT-1, US
    81         126        521      30  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     250  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         161         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         44      68  RUNNET, RU

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         174        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         108         25      51  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          48         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX

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         380        319      71  TENET-1, ZA
 36914         208         82       3  KENET-AS, KE
327687         163         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          44         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW

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        3561       3915    1628  AMAZON-02, US
 14618         867       4162     652  AMAZON-AES, US
  8075         443      12797     371  MICROSOFT-CORP-MSN-AS-BLOCK, US
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
  7575         334        330     122  AARNET-AS-AP Australian Academic and Re
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
 36914         208         82       3  KENET-AS, KE
   668         202        648     171  DNIC-AS-00668, US
   376         201        162     151  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         441          418  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 14618         867          215  AMAZON-AES, US
  7575         334          212  AARNET-AS-AP Australian Academic and Research N
 36914         208          205  KENET-AS, KE
  5786         198          197  UPRENET, PR
327687         163          160  RENU, UG
  8895         161          156  ISU Internet Services Unit ISU, SA
 18558         140          136  NETBLK-RCOEK, US
  1916         174          131  Rede Nacional de Ensino e Pesquisa, BR

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, US
     11570  UNALLOCATED  204.134.85.0/24          40498  ABQG, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
45.42.252.0/22       Origin:     16509  AMAZON-02, US
45.42.252.0/22      Transit:     11537  INTERNET2-RESEARCH-EDU, US
64.186.3.0/24        Origin:     16509  AMAZON-02, US
64.186.3.0/24       Transit:     11537  INTERNET2-RESEARCH-EDU, US
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
173.249.168.0/22     Origin:     16509  AMAZON-02, US
173.249.168.0/22    Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL

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       /11:8       /12:28      
/13:37      /14:81      /15:203     /16:1965    /17:473     /18:479     
/19:605     /20:979     /21:1045    /22:1699    /23:1750    /24:13662   
/25:79      /26:46      /27:128     /28:32      /29:77      /30:15      
/31:6       /32:5       

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

   ASN  No of nets  Total ann.  Description
 16509         560        3561  AMAZON-02, US
 14618         287         867  AMAZON-AES, US
 36914         195         208  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
  8075          96         443  MICROSOFT-CORP-MSN-AS-BLOCK, US
 32440          80         112  LONI, US
 23024          52         106  OCDE, US
     1          44         127  LVLT-1, US
327700          38          44  MoRENet, MZ
  3267          35          77  RUNNET, RU

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

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

   1:3         2:1         3:120       4:2         5:21        6:4      
   8:2        12:1        13:92       14:90       15:99       16:116    
  18:117      23:45       24:1        31:1        34:3        35:17     
  38:8        40:6        41:121      42:10       44:9        45:65     
  46:12       47:1        49:9        50:10       52:838      54:178    
  58:1        59:19       60:6        61:3        62:16       63:39     
  64:153      65:13       66:92       67:67       68:22       69:58     
  70:27       71:16       72:17       74:81       75:1        76:50     
  77:13       78:3        79:10       80:12       81:26       82:5      
  83:7        84:10       85:45       86:4        87:2        88:1      
  89:17       91:60       92:4        93:5        94:6        95:3      
  96:7        97:1        98:13       99:67      101:2       102:40     
 103:340     104:123     107:2       108:39      109:9       111:17     
 113:5       114:24      115:1       116:12      117:61      118:33     
 119:19      121:27      122:11      124:42      125:5       128:80     
 129:50      130:147     131:75      132:58      134:110     135:3      
 136:217     137:289     138:72      139:29      140:42      141:7      
 142:60      143:30      144:40      145:5       146:136     147:68     
 148:206     149:17      150:104     151:33      152:137     153:78     
 154:29      155:87      156:71      157:30      158:45      159:165    
 160:10      161:45      162:71      163:85      164:27      165:60     
 166:2       167:27      168:168     169:11      170:187     171:1      
 172:15      173:31      174:2       175:25      176:13      177:6      
 178:2       179:13      180:15      181:1       182:4       184:3      
 185:105     186:3       187:17      188:17      189:3       190:17     
 191:13      192:1517    193:287     194:137     195:73      196:201    
 197:121     198:528     199:360     200:271     201:37      202:456    
 203:443     204:394     205:165     206:208     207:189     208:131    
 209:152     210:195     211:14      212:169     213:17      214:8      
 216:185     217:13      218:22      219:1       220:17      222:2      
 223:14     

End of report


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