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

REN Routing Table Report cscora at frr.nsrc.org
Wed Aug 17 21:05:45 UTC 2022


IPv4 R&E Routing Table Report   21:05 GMT Wed 17 Aug, 2022

  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:                               17571
    Prefixes after maximum aggregation (per Origin AS):           10097
    Deaggregation factor:                                          1.74
    Unique aggregates announced (without unneeded subnets):       11261
    Number of IPv4 prefixes with a valid ROA:                      4162
    Number of IPv4 prefixes with an invalid ROA:                     43
    Number of IPv4 prefixes with no ROA:                          13366
Total ASes present in the Internet Routing Table:                  2587
    Prefixes per ASN:                                              6.79
Origin-only ASes present in the Internet Routing Table:            2217
Origin ASes announcing only one prefix:                            1004
Transit ASes present in the Internet Routing Table:                 370
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:             65
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 8
    Number of instances of unregistered ASNs:                         8
Number of 32-bit ASNs allocated by the RIRs:                      39997
Number of 32-bit ASNs visible in the Routing Table:                 580
Prefixes from 32-bit ASNs in the Routing Table:                    1663
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:              0
Number of addresses announced to Internet:                    199308032
    Equivalent to 11 /8s, 225 /16s and 51 /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:        1811

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

Prefixes being announced by APNIC Region ASes:                     4516
    Total APNIC prefixes after maximum aggregation:                2223
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4517
    Unique aggregates announced from the APNIC address blocks:     2563
APNIC Region origin ASes present in the Internet Routing Table:     535
    APNIC Prefixes per ASN:                                        8.44
APNIC Region origin ASes announcing only one prefix:                235
APNIC Region transit ASes present in the Internet Routing Table:     66
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    206
Number of APNIC addresses announced to Internet:               45583616
    Equivalent to 2 /8s, 183 /16s and 141 /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:                      7190
    Total ARIN prefixes after maximum aggregation:                 4246
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7206
    Unique aggregates announced from the ARIN address blocks:      4767
ARIN Region origin ASes present in the Internet Routing Table:     1118
    ARIN Prefixes per ASN:                                         6.45
ARIN Region origin ASes announcing only one prefix:                 390
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     164
Number of ARIN addresses announced to Internet:                89044480
    Equivalent to 5 /8s, 78 /16s and 182 /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:                      3511
    Total RIPE prefixes after maximum aggregation:                 2838
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3504
    Unique aggregates announced from the RIPE address blocks:      2841
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.28
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     130
Number of RIPE addresses announced to Internet:                57867008
    Equivalent to 3 /8s, 114 /16s and 251 /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:                    1415
    Total LACNIC prefixes after maximum aggregation:                576
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1413
    Unique aggregates announced from the LACNIC address blocks:     786
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.72
LACNIC Region origin ASes announcing only one prefix:                66
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    66
Number of LACNIC addresses announced to Internet:               4212480
    Equivalent to 0 /8s, 64 /16s and 71 /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:                    931
    Total AfriNIC prefixes after maximum aggregation:               206
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:           931
    Unique aggregates announced from the AfriNIC address blocks:    304
AfriNIC Region origin ASes present in the Internet Routing Table:    37
    AfriNIC Prefixes per ASN:                                     25.16
AfriNIC Region origin ASes announcing only one prefix:               13
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   14
Number of AfriNIC addresses announced to Internet:              2600448
    Equivalent to 0 /8s, 39 /16s and 174 /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         566       2156     455  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  7575         346        330     126  AARNET-AS-AP Australian Academic and Re
  1237         185         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  4538         128       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         110         17       8  NKN-CORE-NW NKN Core Network, IN
 24313          81         16       1  NSW-DET-AS NSW Department of Education,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          54       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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
   668         219        703     181  DNIC-AS-00668, US
  5786         200         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
  2152         155        507      92  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  2920         108         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         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       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         137         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          97       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          63        583      58  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

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         158        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

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         376        319      73  TENET-1, ZA
 36914         232         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      13  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 37074          10          7       7  UG-AS, GH

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         566       2156     455  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
  7575         346        330     126  AARNET-AS-AP Australian Academic and Re
   680         283       1951     250  DFN Verein zur Foerderung eines Deutsch
 36914         232         82       3  KENET-AS, KE
   668         219        703     181  DNIC-AS-00668, US
  5786         200         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
   786         186       1775     183  JANET Jisc Services Limited, GB

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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         376          303  TENET-1, ZA
 36914         232          229  KENET-AS, KE
  7575         346          220  AARNET-AS-AP Australian Academic and Research N
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         137          133  ISU Internet Services Unit ISU, SA
 18558         135          131  NETBLK-RCOEK, US
  1916         158          115  Rede Nacional de Ensino e Pesquisa, BR
 55824         110          102  NKN-CORE-NW NKN Core Network, IN

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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      /14:34      /15:121     /16:1933    /17:390     /18:429     
/19:524     /20:819     /21:874     /22:1379    /23:1474    /24:9562    
/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         219         232  KENET-AS, KE
  8895         132         137  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 32440          32          47  LONI, US
 46115          32          35  LUTHER, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
200521          31          52  SEAP-AGE, ES
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          29          34  MoRENet, MZ

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

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

   1:3         5:15        6:4         8:2        12:1        14:84     
  18:43       23:6        24:3        31:7        35:4        37:6      
  38:9        41:131      42:10       44:5        45:28       46:5      
  47:1        49:10       50:1        52:1        58:1        59:11     
  60:4        61:3        62:9        63:4        64:27       65:1      
  66:15       67:43       68:8        69:19       70:2        72:6      
  74:49       76:36       77:7        78:3        79:10       80:18     
  81:27       82:7        83:6        84:6        85:43       86:6      
  87:1        88:1        89:10       91:44       92:1        93:10     
  94:4        95:4        96:5        97:2        98:2       101:6      
 102:11      103:288     104:75      108:5       109:10      110:4      
 111:16      113:1       114:23      116:6       117:61      118:19     
 119:24      121:28      122:8       123:8       124:39      125:4      
 128:112     129:38      130:90      131:72      132:56      133:145    
 134:100     136:202     137:218     138:21      139:15      140:57     
 141:1       142:38      143:31      144:23      145:2       146:127    
 147:30      148:191     149:12      150:131     151:6       152:73     
 153:89      154:28      155:51      156:66      157:22      158:38     
 159:116     160:26      161:18      162:33      163:75      164:10     
 165:57      166:1       167:16      168:119     169:9       170:49     
 172:2       173:6       175:31      176:8       177:11      179:7      
 180:18      181:1       182:6       184:4       185:39      186:3      
 187:19      188:13      189:3       190:34      191:36      192:1285   
 193:307     194:137     195:91      196:158     197:136     198:420    
 199:264     200:222     201:38      202:429     203:316     204:326    
 205:113     206:165     207:160     208:68      209:105     210:180    
 211:13      212:171     213:5       214:8       216:55      217:11     
 218:22      219:6       220:17      222:5       223:4      

End of report


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