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

REN Routing Table Report cscora at frr.nsrc.org
Fri Aug 4 21:05:43 UTC 2023


IPv4 R&E Routing Table Report   21:05 GMT Fri 04 Aug, 2023

  IPv4 BGP Table (R&E) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET-Brisbane/

Analysis Summary
----------------

BGP routing table entries examined:                               17796
    Prefixes after maximum aggregation (per Origin AS):            9971
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       10997
    Number of IPv4 prefixes with a valid ROA:                      4904
    Number of IPv4 prefixes with an invalid ROA:                     22
    Number of IPv4 prefixes with no ROA:                          12870
Total ASes present in the Internet Routing Table:                  2570
    Prefixes per ASN:                                              6.92
Origin-only ASes present in the Internet Routing Table:            2204
Origin ASes announcing only one prefix:                             977
Transit ASes present in the Internet Routing Table:                 366
Transit-only ASes present in the Internet Routing Table:             80
Paths with bogon ASNs present in the IPv4 Routing Table:             62
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      42372
Number of 32-bit ASNs visible in the Routing Table:                 559
Prefixes from 32-bit ASNs in the Routing Table:                    1728
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:              1
Number of addresses announced to Internet:                    198925056
    Equivalent to 11 /8s, 219 /16s and 91 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        1902

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

Prefixes being announced by APNIC Region ASes:                     4468
    Total APNIC prefixes after maximum aggregation:                2167
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4469
    Unique aggregates announced from the APNIC address blocks:     2486
APNIC Region origin ASes present in the Internet Routing Table:     481
    APNIC Prefixes per ASN:                                        9.29
APNIC Region origin ASes announcing only one prefix:                202
APNIC Region transit ASes present in the Internet Routing Table:     53
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    167
Number of APNIC addresses announced to Internet:               45292032
    Equivalent to 2 /8s, 179 /16s and 26 /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:                      7345
    Total ARIN prefixes after maximum aggregation:                 4255
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7359
    Unique aggregates announced from the ARIN address blocks:      4676
ARIN Region origin ASes present in the Internet Routing Table:     1141
    ARIN Prefixes per ASN:                                         6.45
ARIN Region origin ASes announcing only one prefix:                 401
ARIN Region transit ASes present in the Internet Routing Table:     152
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     177
Number of ARIN addresses announced to Internet:                89161216
    Equivalent to 5 /8s, 80 /16s and 126 /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:                      3531
    Total RIPE prefixes after maximum aggregation:                 2819
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3520
    Unique aggregates announced from the RIPE address blocks:      2845
RIPE Region origin ASes present in the Internet Routing Table:      665
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 298
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                57645056
    Equivalent to 3 /8s, 111 /16s and 152 /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:                    1432
    Total LACNIC prefixes after maximum aggregation:                573
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1430
    Unique aggregates announced from the LACNIC address blocks:     784
LACNIC Region origin ASes present in the Internet Routing Table:    166
    LACNIC Prefixes per ASN:                                       8.61
LACNIC Region origin ASes announcing only one prefix:                63
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4238848
    Equivalent to 0 /8s, 64 /16s and 174 /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:                   1017
    Total AfriNIC prefixes after maximum aggregation:               154
    AfriNIC Deaggregation factor:                                  6.60
Prefixes being announced from the AfriNIC address blocks:          1017
    Unique aggregates announced from the AfriNIC address blocks:    205
AfriNIC Region origin ASes present in the Internet Routing Table:    35
    AfriNIC Prefixes per ASN:                                     29.06
AfriNIC Region origin ASes announcing only one prefix:               13
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2587648
    Equivalent to 0 /8s, 39 /16s and 124 /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
  2907         595       2146     464  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  7575         351        330     126  AARNET-AS-AP Australian Academic and Re
  1237         191         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         124         18      16  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

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         273        507      93  CSUNET-NW, US
   668         204        652     173  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         136         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 21976          82         51      18  NJEDGE-NET, US
  1736          79         16       1  MU-AS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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         186       1767     183  JANET Jisc Services Limited, GB
  8895         136         24       5  ISU Internet Services Unit ISU, SA
   559         111        533     103  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  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          63        583      58  FR-RENATER Reseau National de telecommu

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         221        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      48  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          48         16       1  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          43          3      14  CEDIA, EC
271640          39          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          34          4       3  Universidad Autonoma Metropolitana, MX

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         371        319      71  TENET-1, ZA
 36914         257         82       3  KENET-AS, KE
327687         165         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 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/AARNET-Brisbane/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         595       2146     464  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  2018         371        319      71  TENET-1, ZA
  7575         351        330     126  AARNET-AS-AP Australian Academic and Re
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  2152         273        507      93  CSUNET-NW, US
 36914         257         82       3  KENET-AS, KE
  1916         221        176      42  Rede Nacional de Ensino e Pesquisa, BR
   668         204        652     173  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA

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

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

   ASN  No of nets  Net Savings  Description
  7497         435          412  CSTNET-AS-AP Computer Network Information Cente
  2018         371          300  TENET-1, ZA
 36914         257          254  KENET-AS, KE
  7575         351          225  AARNET-AS-AP Australian Academic and Research N
  5786         197          196  UPRENET, PR
  2152         273          180  CSUNET-NW, US
  1916         221          179  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
327687         165          162  RENU, UG
 18558         136          132  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
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/AARNET-Brisbane/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       /10:2       /11:1       /12:10      
/13:18      /14:33      /15:121     /16:1930    /17:409     /18:420     
/19:526     /20:810     /21:848     /22:1376    /23:1516    /24:9775    
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         245         257  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
327700          32          38  MoRENet, MZ
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         5:15        6:4         8:2        12:1        14:89     
  23:6        24:3        31:7        35:2        38:9        41:113    
  42:10       44:6        45:38       46:5        47:1        49:6      
  50:1        52:1        59:10       60:4        61:3        62:10     
  63:33       64:31       65:1        66:29       67:41       68:8      
  69:19       70:2        72:7        74:49       76:40       77:9      
  78:3        79:10       80:13       81:25       82:7        83:6      
  84:9        85:40       86:10       87:1        89:10       91:46     
  92:2        93:4        94:4        95:2        96:5        97:2      
  98:2       101:2       102:25      103:225     104:80      108:4      
 109:9       111:16      113:1       114:23      116:6       117:61     
 118:19      119:18      121:28      122:8       123:8       124:39     
 125:4       128:113     129:42      130:88      131:51      132:57     
 133:155     134:105     136:198     137:266     138:19      139:15     
 140:40      141:1       142:37      143:21      144:23      145:2      
 146:128     147:31      148:192     149:12      150:44      151:11     
 152:137     153:78      154:31      155:63      156:67      157:18     
 158:37      159:115     160:29      161:22      162:25      163:82     
 164:10      165:46      166:1       167:13      168:123     169:7      
 170:65      171:1       172:3       173:6       175:27      176:8      
 177:5       179:12      180:15      181:1       182:3       184:2      
 185:48      186:3       187:17      188:13      189:3       190:19     
 191:13      192:1282    193:296     194:134     195:86      196:205    
 197:162     198:465     199:258     200:305     201:38      202:470    
 203:320     204:348     205:129     206:180     207:185     208:66     
 209:132     210:181     211:14      212:166     213:5       214:8      
 216:55      217:11      218:22      219:6       220:17      222:2      
 223:14     

End of report


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