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

REN Routing Table Report cscora at frr.nsrc.org
Fri Sep 16 20:25:47 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Fri 16 Sep, 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:                               34848
    Prefixes after maximum aggregation (per Origin AS):           14457
    Deaggregation factor:                                          2.41
    Unique aggregates announced (without unneeded subnets):       16357
    Number of IPv4 prefixes with a valid ROA:                     13972
    Number of IPv4 prefixes with an invalid ROA:                    265
    Number of IPv4 prefixes with no ROA:                          20611
Total ASes present in the Internet Routing Table:                  3570
    Prefixes per ASN:                                              9.76
Origin-only ASes present in the Internet Routing Table:            3058
Origin ASes announcing only one prefix:                            1276
Transit ASes present in the Internet Routing Table:                 512
Transit-only ASes present in the Internet Routing Table:             74
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:                                      19
    Max AS path prepend of ASN (133385)                              11
Prefixes from unregistered ASNs in the Routing Table:                14
    Number of instances of unregistered ASNs:                        14
Number of 32-bit ASNs allocated by the RIRs:                      40161
Number of 32-bit ASNs visible in the Routing Table:                1077
Prefixes from 32-bit ASNs in the Routing Table:                    6326
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:              8
Number of addresses announced to Internet:                    238360832
    Equivalent to 14 /8s, 53 /16s and 25 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    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:        2739

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

Prefixes being announced by APNIC Region ASes:                    20299
    Total APNIC prefixes after maximum aggregation:                5653
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:           20125
    Unique aggregates announced from the APNIC address blocks:     6477
APNIC Region origin ASes present in the Internet Routing Table:    1288
    APNIC Prefixes per ASN:                                       15.62
APNIC Region origin ASes announcing only one prefix:                417
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:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    654
Number of APNIC addresses announced to Internet:               61611520
    Equivalent to 3 /8s, 172 /16s and 30 /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:                      8533
    Total ARIN prefixes after maximum aggregation:                 5082
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             8618
    Unique aggregates announced from the ARIN address blocks:      5749
ARIN Region origin ASes present in the Internet Routing Table:     1289
    ARIN Prefixes per ASN:                                         6.69
ARIN Region origin ASes announcing only one prefix:                 458
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:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     184
Number of ARIN addresses announced to Internet:               109793280
    Equivalent to 6 /8s, 139 /16s and 80 /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:                      3654
    Total RIPE prefixes after maximum aggregation:                 2919
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3678
    Unique aggregates announced from the RIPE address blocks:      2960
RIPE Region origin ASes present in the Internet Routing Table:      699
    RIPE Prefixes per ASN:                                         5.26
RIPE Region origin ASes announcing only one prefix:                 315
RIPE Region transit ASes present in the Internet Routing Table:      98
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     146
Number of RIPE addresses announced to Internet:                59572224
    Equivalent to 3 /8s, 141 /16s and 0 /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:                    1388
    Total LACNIC prefixes after maximum aggregation:                575
    LACNIC Deaggregation factor:                                   2.41
Prefixes being announced from the LACNIC address blocks:           1392
    Unique aggregates announced from the LACNIC address blocks:     793
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.70
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    66
Number of LACNIC addresses announced to Internet:               4733696
    Equivalent to 0 /8s, 72 /16s and 59 /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:                    960
    Total AfriNIC prefixes after maximum aggregation:               215
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:          1027
    Unique aggregates announced from the AfriNIC address blocks:    370
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     20.54
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   10
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:   27
Number of AfriNIC addresses announced to Internet:              2648064
    Equivalent to 0 /8s, 40 /16s and 104 /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        1975        314      16  TOT-NET TOT Public Company Limited, TH
  7470         722        532      44  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         683        171      57  NCIC-TW New Century InfoComm Tech Co., 
131090         629         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         566       2156     455  SINET-AS Research Organization of Infor
  4621         526         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         33      64  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
131596         438         82      14  TBCOM-NET TBC, TW
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati

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         222        703     182  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         157        507      93  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  8075         109       4108     105  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2920         108         34       7  LACOE, US
 19551         105          7      76  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         188       1775     183  JANET Jisc Services Limited, GB
  8895         139         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       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
  2200          62        598      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/AIT/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         376        319      73  TENET-1, ZA
 36914         245         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      14  TERNET, TZ
 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        1975        314      16  TOT-NET TOT Public Company Limited, TH
  7470         722        532      44  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         683        171      57  NCIC-TW New Century InfoComm Tech Co., 
131090         629         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         566       2156     455  SINET-AS Research Organization of Infor
  4621         526         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         33      64  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
131596         438         82      14  TBCOM-NET TBC, TW
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati

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         722          678  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
  9919         683          626  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090         629          621  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         526          508  UNINET-AS-AP UNINET-, TH
  4750         448          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596         438          424  TBCOM-NET TBC, TW
 45458         480          416  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
133481         430          400  AIS-FIBRE-AS-AP AIS Fibre, TH
  9931         426          391  CAT-AP The Communication Authoity of Thailand, 

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
    135546  UNALLOCATED  45.254.232.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  45.254.233.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  45.254.234.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  103.64.139.0/24         133748  CORETELNET-AS-AP CORETEL NET
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
     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

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 
45.254.232.0/24      Origin:    135546  UNASSIGNED
45.254.232.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.233.0/24      Origin:    135546  UNASSIGNED
45.254.233.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.234.0/24      Origin:    135546  UNASSIGNED
45.254.234.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
103.64.139.0/24      Origin:    135546  UNASSIGNED
103.64.139.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN

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     /16:2164    /17:595     /18:836     
/19:1081    /20:1372    /21:1611    /22:3589    /23:2556    /24:20652   
/25:2       /26:2       /27:2       /28:3       /29:11      /30:44      
/31:34      /32:61      

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

   ASN  No of nets  Total ann.  Description
 36914         232         245  KENET-AS, KE
  4621         153         526  UNINET-AS-AP UNINET-, TH
132280         153         309  SYMPHONY-AP-TH Symphony Communication Thailand 
  8895         134         139  ISU Internet Services Unit ISU, SA
133481          70         430  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          53         114  OCDE, US
 18632          34          65  VOLCANO-VISION, US
 19551          34         105  INCAPSULA, US
 32440          33          48  LONI, US
 46115          32          35  LUTHER, US

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

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

   1:496       5:22        6:4         8:4         9:1        12:1      
  13:39       14:100      16:1        18:43       23:16       24:4      
  27:205      31:7        35:4        36:13       37:29       38:20     
  39:5        40:2        41:128      42:15       43:195      44:5      
  45:193      46:5        47:6        49:510      50:5        52:3      
  58:301      59:29       60:47       61:376      62:11       63:39     
  64:61       65:10       66:59       67:46       68:8        69:21     
  70:2        71:1        72:39       74:53       76:38       77:7      
  78:3        79:11       80:18       81:28       82:7        83:31     
  84:8        85:43       86:5        87:1        88:2        89:10     
  90:1        91:47       92:1        93:4        94:4        95:4      
  96:71       97:1        98:2       101:114     102:15      103:1362   
 104:79      106:75      107:53      108:8       109:10      110:461    
 111:124     112:45      113:146     114:40      115:141     116:73     
 117:80      118:375     119:298     120:13      121:31      122:308    
 123:103     124:165     125:200     128:95      129:47      130:91     
 131:92      132:56      133:145     134:311     135:1       136:222    
 137:81      138:13      139:20      140:64      141:15      142:39     
 143:33      144:41      145:2       146:155     147:85      148:193    
 149:17      150:157     151:6       152:76      153:14      154:60     
 155:51      156:71      157:32      158:42      159:264     160:29     
 161:100     162:28      163:94      164:89      165:85      166:1      
 167:54      168:172     169:10      170:81      171:189     172:5      
 173:8       175:96      176:9       177:11      178:1       179:10     
 180:131     181:2       182:233     183:41      184:12      185:74     
 186:3       187:3       188:15      189:3       190:34      191:38     
 192:1384    193:323     194:154     195:96      196:163     197:149    
 198:512     199:284     200:230     201:23      202:1309    203:1596   
 204:368     205:159     206:205     207:177     208:81      209:132    
 210:551     211:28      212:175     213:7       214:8       216:87     
 217:13      218:152     219:7       220:53      221:36      222:7      
 223:81     

End of report


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