[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Fri Dec 1 20:16:37 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Fri 01 Dec, 2023

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              256311
    Prefixes after maximum aggregation (per Origin AS):          113258
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      137927
    Number of IPv4 prefixes with a valid ROA:                     96246
    Number of IPv4 prefixes with an invalid ROA:                     26
    Number of IPv4 prefixes with no ROA:                         160039
Total ASes present in the Internet Routing Table:                 20680
    Prefixes per ASN:                                             12.39
Origin-only ASes present in the Internet Routing Table:           18025
Origin ASes announcing only one prefix:                            8036
Transit ASes present in the Internet Routing Table:                2655
Transit-only ASes present in the Internet Routing Table:            671
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.6
    Max AS path length visible:                                      31
    Max AS path prepend of ASN ( 11816)                              21
Prefixes from unregistered ASNs in the Routing Table:               428
    Number of instances of unregistered ASNs:                       428
Number of 32-bit ASNs allocated by the RIRs:                      43144
Number of 32-bit ASNs visible in the Routing Table:                7435
Prefixes from 32-bit ASNs in the Routing Table:                   26483
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:            134
Number of addresses announced to Internet:                   1488260937
    Equivalent to 88 /8s, 181 /16s and 15 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       86735

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

Prefixes being announced by APNIC Region ASes:                    30650
    Total APNIC prefixes after maximum aggregation:                7286
    APNIC Deaggregation factor:                                    4.21
Prefixes being announced from the APNIC address blocks:           30201
    Unique aggregates announced from the APNIC address blocks:     8381
APNIC Region origin ASes present in the Internet Routing Table:    1198
    APNIC Prefixes per ASN:                                       25.21
APNIC Region origin ASes announcing only one prefix:                478
APNIC Region transit ASes present in the Internet Routing Table:    200
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    526
Number of APNIC addresses announced to Internet:              212809864
    Equivalent to 12 /8s, 175 /16s and 56 /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, 131072-153913
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:                    118752
    Total ARIN prefixes after maximum aggregation:                62281
    ARIN Deaggregation factor:                                     1.91
Prefixes being announced from the ARIN address blocks:           118837
    Unique aggregates announced from the ARIN address blocks:     68756
ARIN Region origin ASes present in the Internet Routing Table:     9663
    ARIN Prefixes per ASN:                                        12.30
ARIN Region origin ASes announcing only one prefix:                3977
ARIN Region transit ASes present in the Internet Routing Table:     861
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2051
Number of ARIN addresses announced to Internet:               842135233
    Equivalent to 50 /8s, 49 /16s and 246 /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:                     55859
    Total RIPE prefixes after maximum aggregation:                27926
    RIPE Deaggregation factor:                                     2.00
Prefixes being announced from the RIPE address blocks:            54778
    Unique aggregates announced from the RIPE address blocks:     36821
RIPE Region origin ASes present in the Internet Routing Table:     5143
    RIPE Prefixes per ASN:                                        10.65
RIPE Region origin ASes announcing only one prefix:                2203
RIPE Region transit ASes present in the Internet Routing Table:     696
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1950
Number of RIPE addresses announced to Internet:               304391680
    Equivalent to 18 /8s, 36 /16s and 166 /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
                       196608-216475
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:                   42077
    Total LACNIC prefixes after maximum aggregation:              13063
    LACNIC Deaggregation factor:                                   3.22
Prefixes being announced from the LACNIC address blocks:          41452
    Unique aggregates announced from the LACNIC address blocks:   19794
LACNIC Region origin ASes present in the Internet Routing Table:   3606
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              1292
LACNIC Region transit ASes present in the Internet Routing Table:   720
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2797
Number of LACNIC addresses announced to Internet:              88403968
    Equivalent to 5 /8s, 68 /16s and 240 /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:                   8545
    Total AfriNIC prefixes after maximum aggregation:              2407
    AfriNIC Deaggregation factor:                                  3.55
Prefixes being announced from the AfriNIC address blocks:         10909
    Unique aggregates announced from the AfriNIC address blocks:   4048
AfriNIC Region origin ASes present in the Internet Routing Table:   241
    AfriNIC Prefixes per ASN:                                     45.27
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   66
Average AfriNIC Region AS path length visible:                      6.0
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  111
Number of AfriNIC addresses announced to Internet:             40379136
    Equivalent to 2 /8s, 104 /16s and 35 /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
  9808        9553       8729      40  CHINAMOBILE-CN China Mobile Communicati
 56047        1504        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1428        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1413        826     105  CMNET-JIANGSU-AP China Mobile communica
 24547         761        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         739      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         674       4270      56  CTTNET China TieTong Telecommunications
  2907         603       2162     466  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9342      11172    3345  AMAZON-02, US
 22773        3504       3039     296  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3164      54930    2416  DNIC-AS-00749, US
   367        3004       3850    1427  DNIC-ASBLK-00306-00371, US
  7018        2567      23618    1602  ATT-INTERNET4, US
  5650        1891       2744    1316  FRONTIER-FRTR, US
 18566        1852        373     314  MEGAPATH5-, US
 11776        1841        254     223  ATLANTICBB-JOHNSTOWN, US
  6167        1736       3053     427  CELLCO-PART, US
   209        1714       4899     330  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        1599        141    1261  AKAMAI-ASN1, NL
  3215         916       4899     290  France Telecom - Orange, FR
 61317         896         60     770  ASDETUK www.heficed.com, US
  8452         890       1841      14  TE-AS TE-AS, EG
 58224         873        588     577  TCI, IR
 25019         837       1035     152  SAUDINETSTC-AS, SA
 34984         812        106     512  TELLCOM-AS, TR
  8386         706        108     244  KOCNET, TR
  8376         680         54      17  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        6292       1796    1032  UNINET, MX
 11830        2010        369      64  Instituto Costarricense de Electricidad
 10620        1874        265    1235  Telmex Colombia S.A., CO
  3816        1307        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1082        369      22  Telefonica del Peru S.A.A., PE
 26615        1048       2502      52  TIM SA, BR
 18881         990       1120      28  TELEFONICA BRASIL S.A, BR
 11664         908        147     399  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  TELEFONICA BRASIL S.A, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1170        388      22  LINKdotNET-AS, EG
 24835        1031        457      25  RAYA-AS, EG
 36935         673        520      41  Vodafone-, EG
 36992         656        950     346  ETISALAT-MISR, EG
 36903         415        192     302  MT-MPLS, MA
 15399         412         36     179  WANANCHI-, KE
 29571         388         36     161  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 37693         313        594      41  TUNISIANA, TN
 36914         250         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808        9553       8729      40  CHINAMOBILE-CN China Mobile Communicati
 16509        9342      11172    3345  AMAZON-02, US
  8151        6292       1796    1032  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3504       3039     296  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3164      54930    2416  DNIC-AS-00749, US
   367        3004       3850    1427  DNIC-ASBLK-00306-00371, US
  7018        2567      23618    1602  ATT-INTERNET4, US
 11830        2010        369      64  Instituto Costarricense de Electricidad
  5650        1891       2744    1316  FRONTIER-FRTR, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
 16509        9342         5997  AMAZON-02, US
  8151        6292         5260  UNINET, MX
 39891        4570         4516  ALJAWWALSTC-AS, SA
 22773        3504         3208  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2010         1946  Instituto Costarricense de Electricidad y Telec
 11776        1841         1618  ATLANTICBB-JOHNSTOWN, US
   367        3004         1577  DNIC-ASBLK-00306-00371, US
 18566        1852         1538  MEGAPATH5-, US
 56047        1504         1470  CMNET-HUNAN-AP China Mobile communications corp
   209        1714         1384  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
43.243.102.0/24      Origin:     64050  BCPL-SG BGPNET Global ASN, SG
43.243.102.0/24     Transit:      2914  NTT-LTD-2914, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:13       /9:8       /10:29      /11:45      /12:127     
/13:188     /14:500     /15:1000    /16:7450    /17:3499    /18:4042    
/19:7874    /20:12261   /21:15548   /22:28561   /23:28877   /24:146010  
/25:83      /26:62      /27:72      /28:18      /29:22      /30:16      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4570  ALJAWWALSTC-AS, SA
  8151        3287        6292  UNINET, MX
 22773        2562        3504  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1917        9342  AMAZON-02, US
 18566        1766        1852  MEGAPATH5-, US
 11830        1708        2010  Instituto Costarricense de Electricidad y Telec
  5650        1380        1891  FRONTIER-FRTR, US
  7018        1130        2567  ATT-INTERNET4, US
 10620        1127        1874  Telmex Colombia S.A., CO
   209         967        1714  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:13        2:531       3:247       4:5         5:1321      6:149    
   7:5         8:729      11:171      12:1096     13:312      14:104    
  15:282      16:167      17:6        18:638      20:240      21:4      
  22:188      23:2392     24:755      25:2        27:25       29:19     
  31:439      32:37       34:2        35:56       36:1063     37:925    
  38:1362     39:502      40:61       41:903      42:21       43:201    
  44:43       45:3329     46:863      47:155      49:13       50:341    
  51:479      52:1388     54:354      55:864      56:5        57:23     
  58:34       59:32       60:18       61:70       62:596      63:884    
  64:2095     65:1150     66:2266     67:969      68:641      69:1260   
  70:500      71:263      72:692      74:1054     75:432      76:227    
  77:333      78:550      79:249      80:398      81:346      82:313    
  83:159      84:367      85:430      86:213      87:265      88:223    
  89:632      90:91       91:958      92:492      93:934      94:653    
  95:1250     96:281      97:72       98:541      99:163     100:45     
 101:27      102:292     103:1212    104:1419    105:66      106:42     
 107:1367    108:517     109:335     110:35      111:1736    112:474    
 113:48      114:32      115:18      116:45      117:955     118:64     
 119:125     120:1081    121:41      122:92      123:80      124:57     
 125:17      128:451     129:375     130:611     131:1103    132:551    
 133:267     134:447     135:124     136:411     137:549     138:858    
 139:535     140:580     141:271     142:784     143:671     144:370    
 145:89      146:597     147:418     148:692     149:705     150:291    
 151:558     152:526     153:146     154:627     155:764     156:619    
 157:318     158:436     159:676     160:667     161:634     162:940    
 163:404     164:662     165:568     166:587     167:619     168:1382   
 169:182     170:1535    171:99      172:1318    173:828     174:285    
 175:48      176:821     177:827     178:391     179:675     180:51     
 181:1601    182:15      183:879     184:506     185:3408    186:1865   
 187:971     188:731     189:1322    190:4170    191:333     192:4920   
 193:1970    194:1450    195:1141    196:915     197:730     198:2609   
 199:3194    200:3193    201:3221    202:1084    203:641     204:2246   
 205:1823    206:1661    207:1456    208:1440    209:1931    210:333    
 211:475     212:1020    213:860     214:1075    215:57      216:2547   
 217:612     218:521     219:23      220:29      221:286     222:34     
 223:621    

End of report


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