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

REN Routing Table Report cscora at frr.nsrc.org
Sun Aug 21 17:10:41 UTC 2022


IPv4 R&E Routing Table Report   17:10 GMT Sun 21 Aug, 2022

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

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/URAN/

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

BGP routing table entries examined:                               18477
    Prefixes after maximum aggregation (per Origin AS):           10514
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11746
    Number of IPv4 prefixes with a valid ROA:                      4056
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          14421
Total ASes present in the Internet Routing Table:                  2702
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            2327
Origin ASes announcing only one prefix:                            1057
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             59
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
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:                      40025
Number of 32-bit ASNs visible in the Routing Table:                 626
Prefixes from 32-bit ASNs in the Routing Table:                    1768
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    206744512
    Equivalent to 12 /8s, 82 /16s and 171 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        2076

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

Prefixes being announced by APNIC Region ASes:                     4690
    Total APNIC prefixes after maximum aggregation:                2312
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4691
    Unique aggregates announced from the APNIC address blocks:     2606
APNIC Region origin ASes present in the Internet Routing Table:     588
    APNIC Prefixes per ASN:                                        7.98
APNIC Region origin ASes announcing only one prefix:                257
APNIC Region transit ASes present in the Internet Routing Table:     66
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    232
Number of APNIC addresses announced to Internet:               46100800
    Equivalent to 2 /8s, 191 /16s and 113 /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:                      8052
    Total ARIN prefixes after maximum aggregation:                 4739
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             8065
    Unique aggregates announced from the ARIN address blocks:      5321
ARIN Region origin ASes present in the Internet Routing Table:     1226
    ARIN Prefixes per ASN:                                         6.58
ARIN Region origin ASes announcing only one prefix:                 428
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         5.2
    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:                96257184
    Equivalent to 5 /8s, 188 /16s and 196 /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:                      3350
    Total RIPE prefixes after maximum aggregation:                 2670
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3342
    Unique aggregates announced from the RIPE address blocks:      2722
RIPE Region origin ASes present in the Internet Routing Table:      614
    RIPE Prefixes per ASN:                                         5.44
RIPE Region origin ASes announcing only one prefix:                 284
RIPE Region transit ASes present in the Internet Routing Table:      97
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:     124
Number of RIPE addresses announced to Internet:                57538624
    Equivalent to 3 /8s, 109 /16s and 248 /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:                    1435
    Total LACNIC prefixes after maximum aggregation:                576
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1433
    Unique aggregates announced from the LACNIC address blocks:     789
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.85
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       5.7
    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:               4217760
    Equivalent to 0 /8s, 64 /16s and 91 /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:                    944
    Total AfriNIC prefixes after maximum aggregation:               211
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:           944
    Unique aggregates announced from the AfriNIC address blocks:    306
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     19.67
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2629632
    Equivalent to 0 /8s, 40 /16s and 32 /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         573       2156     457  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         188         74     134  KREONET-AS-KR KISTI, KR
  4538         188       4192      73  ERX-CERNET-BKB China Education and Rese
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     120  AARNET-AS-AP Australian Academic and Re
 55824         114         18      10  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  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/URAN/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         197        178     147  RISQ-AS, CA
  2152         155        507      90  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         114          7      17  OCDE, US
  2920         111         34       7  LACOE, US
 32440          90         18      19  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         178         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      86  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          64        599      59  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/URAN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         176        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
 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/URAN/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         375        319      72  TENET-1, ZA
 36914         232         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      13  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         573       2156     457  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         375        319      72  TENET-1, ZA
   680         282       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         197        178     147  RISQ-AS, CA
  1237         188         74     134  KREONET-AS-KR KISTI, KR
  4538         188       4192      73  ERX-CERNET-BKB China Education and Rese

Complete listing at https://bgp.nsrc.org/REN/URAN/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         375          303  TENET-1, ZA
 36914         232          229  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         178          174  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  1916         176          132  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
  4538         188          115  ERX-CERNET-BKB China Education and Research Net
 55824         114          104  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/URAN/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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     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/URAN/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/URAN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/URAN/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      
/13:19      /14:36      /15:122     /16:2026    /17:405     /18:439     
/19:550     /20:841     /21:860     /22:1396    /23:1509    /24:10049   
/25:82      /26:48      /27:81      /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         173         178  ISU Internet Services Unit ISU, SA
 32440          75          90  LONI, US
 23024          53         114  OCDE, 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
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:3         5:15        6:4         8:2        12:1        14:85     
  18:43       23:5        24:3        31:7        35:4        37:6      
  38:9        40:1        41:130      42:15       44:5        45:27     
  46:5        47:1        49:10       50:1        52:1        58:10     
  59:21       60:4        61:3        62:8        63:34       64:50     
  65:1        66:35       67:43       68:8        69:19       70:2      
  71:1        72:7        74:50       76:36       77:7        78:3      
  79:10       80:8        81:27       82:3        83:6        84:9      
  85:24       86:4        87:1        88:1        89:10       91:46     
  93:10       94:4        95:4        96:5        97:1        98:2      
 101:8       102:13      103:307     104:75      108:8       109:10     
 110:4       111:9       114:23      116:6       117:61      118:33     
 119:24      121:27      122:8       123:8       124:39      125:4      
 128:85      129:38      130:90      131:76      132:54      133:145    
 134:100     136:200     137:74      138:9       139:5       140:54     
 141:1       142:39      143:31      144:25      145:2       146:130    
 147:58      148:191     149:12      150:130     151:6       152:78     
 153:13      154:28      155:51      156:66      157:23      158:41     
 159:115     160:26      161:21      162:20      163:72      164:10     
 165:57      166:1       167:16      168:120     169:10      170:51     
 172:2       173:7       175:30      176:8       177:11      179:10     
 180:18      181:1       182:4       184:4       185:41      186:3      
 187:19      188:12      189:3       190:33      191:36      192:1448   
 193:297     194:123     195:89      196:159     197:136     198:480    
 199:280     200:221     201:37      202:630     203:429     204:344    
 205:124     206:182     207:167     208:68      209:117     210:183    
 211:13      212:172     213:2       214:8       216:85      217:10     
 218:22      219:12      220:16      222:6       223:6      

End of report


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