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

REN Routing Table Report cscora at frr.nsrc.org
Sat Aug 13 21:05:44 UTC 2022


IPv4 R&E Routing Table Report   21:05 GMT Sat 13 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:                               17610
    Prefixes after maximum aggregation (per Origin AS):           10130
    Deaggregation factor:                                          1.74
    Unique aggregates announced (without unneeded subnets):       11292
    Number of IPv4 prefixes with a valid ROA:                      4164
    Number of IPv4 prefixes with an invalid ROA:                     43
    Number of IPv4 prefixes with no ROA:                          13403
Total ASes present in the Internet Routing Table:                  2606
    Prefixes per ASN:                                              6.76
Origin-only ASes present in the Internet Routing Table:            2238
Origin ASes announcing only one prefix:                            1018
Transit ASes present in the Internet Routing Table:                 368
Transit-only ASes present in the Internet Routing Table:             64
Paths with bogon ASNs present in the IPv4 Routing Table:             68
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:                      39974
Number of 32-bit ASNs visible in the Routing Table:                 596
Prefixes from 32-bit ASNs in the Routing Table:                    1689
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:                    199348224
    Equivalent to 11 /8s, 225 /16s and 208 /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:        1808

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

Prefixes being announced by APNIC Region ASes:                     4539
    Total APNIC prefixes after maximum aggregation:                2236
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4540
    Unique aggregates announced from the APNIC address blocks:     2580
APNIC Region origin ASes present in the Internet Routing Table:     542
    APNIC Prefixes per ASN:                                        8.38
APNIC Region origin ASes announcing only one prefix:                238
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:    209
Number of APNIC addresses announced to Internet:               45587712
    Equivalent to 2 /8s, 183 /16s and 157 /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:                 4247
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7204
    Unique aggregates announced from the ARIN address blocks:      4768
ARIN Region origin ASes present in the Internet Routing Table:     1119
    ARIN Prefixes per ASN:                                         6.44
ARIN Region origin ASes announcing only one prefix:                 392
ARIN Region transit ASes present in the Internet Routing Table:     151
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:     166
Number of ARIN addresses announced to Internet:                88988160
    Equivalent to 5 /8s, 77 /16s and 218 /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:                      3510
    Total RIPE prefixes after maximum aggregation:                 2840
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3503
    Unique aggregates announced from the RIPE address blocks:      2839
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:                57866496
    Equivalent to 3 /8s, 114 /16s and 249 /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:                    1425
    Total LACNIC prefixes after maximum aggregation:                578
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1425
    Unique aggregates announced from the LACNIC address blocks:     789
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.80
LACNIC Region origin ASes announcing only one prefix:                64
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4278528
    Equivalent to 0 /8s, 65 /16s and 73 /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:                    938
    Total AfriNIC prefixes after maximum aggregation:               221
    AfriNIC Deaggregation factor:                                  4.24
Prefixes being announced from the AfriNIC address blocks:           938
    Unique aggregates announced from the AfriNIC address blocks:    316
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     19.14
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2627328
    Equivalent to 0 /8s, 40 /16s and 23 /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         572       2156     455  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  7575         348        330     127  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         115         18      11  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
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  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         157        208      44  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
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 61468          41          3      15  CEDIA, EC
 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         226         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      15  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         572       2156     455  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
  7575         348        330     127  AARNET-AS-AP Australian Academic and Re
   680         283       1951     250  DFN Verein zur Foerderung eines Deutsch
 36914         226         82       3  KENET-AS, KE
   668         219        703     181  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
   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         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         376          303  TENET-1, ZA
 36914         226          223  KENET-AS, KE
  7575         348          221  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         157          113  Rede Nacional de Ensino e Pesquisa, BR
 55824         115          104  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     
/19:527     /20:820     /21:875     /22:1383    /23:1481    /24:9585    
/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         213         226  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          30          51  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        14:86     
  18:43       23:6        24:3        31:7        35:4        37:6      
  38:9        41:129      42:9        44:5        45:33       46:5      
  47:1        49:10       50:1        52:1        58:1        59:11     
  60:4        61:3        62:9        63:4        64:28       65:1      
  66:15       67:43       68:8        69:19       70:2        72:7      
  74:49       76:35       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        97:1        98:2       101:6      
 102:13      103:293     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      125:3      
 128:112     129:38      130:91      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      154:30      155:51      156:66      157:22      158:41     
 159:116     160:26      161:18      162:32      163:75      164:15     
 165:57      166:1       167:16      168:117     169:9       170:49     
 172:2       173:6       175:31      176:8       177:11      179:10     
 180:18      181:1       182:6       184:3       185:39      186:3      
 187:19      188:13      189:3       190:34      191:36      192:1287   
 193:308     194:136     195:91      196:161     197:131     198:421    
 199:263     200:223     201:38      202:429     203:321     204:322    
 205:115     206:165     207:161     208:68      209:105     210:180    
 211:13      212:170     213:5       214:8       216:55      217:11     
 218:22      219:6       220:17      222:5       223:3      

End of report


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