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

REN Routing Table Report cscora at frr.nsrc.org
Sun Dec 11 20:25:45 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Sun 11 Dec, 2022

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

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

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

BGP routing table entries examined:                               35205
    Prefixes after maximum aggregation (per Origin AS):           14445
    Deaggregation factor:                                          2.44
    Unique aggregates announced (without unneeded subnets):       16361
    Number of IPv4 prefixes with a valid ROA:                     14634
    Number of IPv4 prefixes with an invalid ROA:                    289
    Number of IPv4 prefixes with no ROA:                          20282
Total ASes present in the Internet Routing Table:                  3568
    Prefixes per ASN:                                              9.87
Origin-only ASes present in the Internet Routing Table:            3041
Origin ASes announcing only one prefix:                            1265
Transit ASes present in the Internet Routing Table:                 527
Transit-only ASes present in the Internet Routing Table:             91
Paths with bogon ASNs present in the IPv4 Routing Table:              7
Average AS path length visible in the Internet Routing Table:       6.2
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (136205)                              15
Prefixes from unregistered ASNs in the Routing Table:                12
    Number of instances of unregistered ASNs:                        12
Number of 32-bit ASNs allocated by the RIRs:                      40870
Number of 32-bit ASNs visible in the Routing Table:                1067
Prefixes from 32-bit ASNs in the Routing Table:                    6432
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:              5
Number of addresses announced to Internet:                    238915328
    Equivalent to 14 /8s, 61 /16s and 143 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        2796

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

Prefixes being announced by APNIC Region ASes:                    20582
    Total APNIC prefixes after maximum aggregation:                5689
    APNIC Deaggregation factor:                                    3.62
Prefixes being announced from the APNIC address blocks:           20380
    Unique aggregates announced from the APNIC address blocks:     6522
APNIC Region origin ASes present in the Internet Routing Table:    1278
    APNIC Prefixes per ASN:                                       15.95
APNIC Region origin ASes announcing only one prefix:                419
APNIC Region transit ASes present in the Internet Routing Table:    192
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    644
Number of APNIC addresses announced to Internet:               62454784
    Equivalent to 3 /8s, 184 /16s and 252 /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:                      8528
    Total ARIN prefixes after maximum aggregation:                 5047
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             8628
    Unique aggregates announced from the ARIN address blocks:      5721
ARIN Region origin ASes present in the Internet Routing Table:     1282
    ARIN Prefixes per ASN:                                         6.73
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     170
Average ARIN Region AS path length visible:                         7.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     183
Number of ARIN addresses announced to Internet:               109557248
    Equivalent to 6 /8s, 135 /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:                      3725
    Total RIPE prefixes after maximum aggregation:                 2926
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3714
    Unique aggregates announced from the RIPE address blocks:      2984
RIPE Region origin ASes present in the Internet Routing Table:      700
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         6.9
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     150
Number of RIPE addresses announced to Internet:                59547904
    Equivalent to 3 /8s, 140 /16s and 161 /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:                    1387
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.44
Prefixes being announced from the LACNIC address blocks:           1387
    Unique aggregates announced from the LACNIC address blocks:     783
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       8.89
LACNIC Region origin ASes announcing only one prefix:                60
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       8.8
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4632320
    Equivalent to 0 /8s, 70 /16s and 175 /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:                    971
    Total AfriNIC prefixes after maximum aggregation:               203
    AfriNIC Deaggregation factor:                                  4.78
Prefixes being announced from the AfriNIC address blocks:          1091
    Unique aggregates announced from the AfriNIC address blocks:    346
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     21.82
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2721024
    Equivalent to 0 /8s, 41 /16s and 133 /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
 23969        1976        314      16  TOT-NET TOT Public Company Limited, TH
  7470         724        532      45  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         683        171      57  NCIC-TW New Century InfoComm Tech Co., 
131090         618         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         574       2157     461  SINET-AS Research Organization of Infor
  4621         515         73      18  UNINET-AS-AP UNINET-, TH
 45458         481         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         444         70      34  CAT-AP The Communication Authoity of Th
131596         439         83       9  TBCOM-NET TBC, TW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         219        702     180  DNIC-AS-00668, US
  2152         203        507      91  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
 23024         113          7      17  OCDE, US
  8075         109       4108     105  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2920         108         34       7  LACOE, US
 19551         103          6      74  INCAPSULA, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         187       1775     182  JANET Jisc Services Limited, GB
  8895         134         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         101       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          94        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          62        598      58  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         155        207      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         367        319      72  TENET-1, ZA
 36914         242         82       3  KENET-AS, KE
  2561          66          4      33  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          41         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
 37182          33          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 23969        1976        314      16  TOT-NET TOT Public Company Limited, TH
  7470         724        532      45  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         683        171      57  NCIC-TW New Century InfoComm Tech Co., 
131090         618         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         574       2157     461  SINET-AS Research Organization of Infor
  4621         515         73      18  UNINET-AS-AP UNINET-, TH
 45458         481         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         444         70      34  CAT-AP The Communication Authoity of Th
131596         439         83       9  TBCOM-NET TBC, TW

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

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

   ASN  No of nets  Net Savings  Description
  7470         724          679  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
  9919         683          626  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090         618          610  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         515          497  UNINET-AS-AP UNINET-, TH
  4750         448          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596         439          430  TBCOM-NET TBC, TW
 45458         481          416  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         444          410  CAT-AP The Communication Authoity of Thailand, 
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
133481         414          384  AIS-FIBRE-AS-AP AIS Fibre, TH

Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     56096  UNALLOCATED  27.100.7.0/24            45455  TH-2S1N-AP Two S One N Co Lt
    138004  UNALLOCATED  103.117.84.0/22          38794  UIH-BBB-AS-AP UIH, TH
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     64558  PRIVATE      202.44.52.0/22           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service
     64929  PRIVATE      203.156.106.0/24         65274  UNASSIGNED

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
103.117.84.0/22      Origin:    138004  UNASSIGNED
103.117.84.0/22     Transit:     38794  UIH-BBB-AS-AP UIH, TH
103.161.0.0/24       Origin:    141730  UNASSIGNED
103.161.0.0/24      Transit:     55423  JASTEL-NETWORK-TH-IDC-AP JasTel Network,
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/AIT/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       /11:4       /12:12      
/13:25      /14:45      /15:144     /16:2167    /17:616     /18:845     
/19:1087    /20:1382    /21:1618    /22:3650    /23:2641    /24:20810   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:41      
/31:32      /32:60      

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

   ASN  No of nets  Total ann.  Description
 36914         229         242  KENET-AS, KE
132280         154         303  SYMPHONY-AP-TH Symphony Communication Thailand 
  4621         150         515  UNINET-AS-AP UNINET-, TH
  8895         129         134  ISU Internet Services Unit ISU, SA
133481          62         414  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          52         113  OCDE, US
131207          43          76  SINET-KH SINET, Cambodias specialist Internet a
 18632          34          65  VOLCANO-VISION, US
 32440          34          49  LONI, US
 19551          33         103  INCAPSULA, US

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

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

   1:492       5:16        6:4         8:4         9:1        12:1      
  13:38       14:99       16:1        18:43       23:16       24:4      
  27:196      31:7        35:4        36:10       37:30       38:22     
  39:5        40:2        41:143      42:19       43:234      44:5      
  45:180      46:5        47:6        49:522      50:5        52:3      
  58:305      59:29       60:56       61:381      62:12       63:39     
  64:61       65:10       66:59       67:45       68:8        69:23     
  70:2        71:1        72:39       74:54       76:38       77:9      
  78:3        79:11       80:17       81:28       82:8        83:36     
  84:8        85:41       86:6        87:7        88:2        89:10     
  90:1        91:49       92:1        93:4        94:4        95:4      
  96:69       97:3        98:2       101:111     102:14      103:1329   
 104:77      106:75      107:52      108:8       109:10      110:467    
 111:124     112:45      113:146     114:42      115:141     116:73     
 117:79      118:377     119:300     120:6       121:33      122:318    
 123:103     124:159     125:201     128:95      129:46      130:89     
 131:78      132:61      133:146     134:310     135:6       136:223    
 137:81      138:10      139:19      140:64      141:15      142:39     
 143:33      144:41      145:3       146:158     147:86      148:193    
 149:15      150:156     151:7       152:76      153:14      154:121    
 155:52      156:78      157:30      158:40      159:260     160:26     
 161:94      162:23      163:97      164:89      165:94      166:3      
 167:54      168:176     169:10      170:80      171:192     172:5      
 173:8       175:101     176:9       177:9       179:10      180:130    
 181:4       182:232     183:36      184:14      185:77      186:2      
 187:19      188:15      189:3       190:18      191:40      192:1403   
 193:321     194:156     195:94      196:154     197:146     198:526    
 199:293     200:225     201:39      202:1307    203:1608    204:374    
 205:143     206:201     207:185     208:80      209:144     210:556    
 211:29      212:169     213:7       214:8       216:86      217:11     
 218:151     219:12      220:53      221:36      222:7       223:79     


End of report


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