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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Nov 25 20:17:13 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 25 Nov, 2024

  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:                              257765
    Prefixes after maximum aggregation (per Origin AS):          114920
    Deaggregation factor:                                          2.24
    Unique aggregates announced (without unneeded subnets):      139861
    Number of IPv4 prefixes with a valid ROA:                    113661
    Number of IPv4 prefixes with an invalid ROA:                     22
    Number of IPv4 prefixes with no ROA:                         144082
Total ASes present in the Internet Routing Table:                 20555
    Prefixes per ASN:                                             12.54
Origin-only ASes present in the Internet Routing Table:           17674
Origin ASes announcing only one prefix:                            7912
Transit ASes present in the Internet Routing Table:                2881
Transit-only ASes present in the Internet Routing Table:            734
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      27
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               329
    Number of instances of unregistered ASNs:                       330
Number of 32-bit ASNs allocated by the RIRs:                      45893
Number of 32-bit ASNs visible in the Routing Table:                8004
Prefixes from 32-bit ASNs in the Routing Table:                   29968
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            146
Number of addresses announced to Internet:                   1489660669
    Equivalent to 88 /8s, 202 /16s and 106 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    Percentage of available address space allocated:              100.1
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:       83373

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

Prefixes being announced by APNIC Region ASes:                    31518
    Total APNIC prefixes after maximum aggregation:                7638
    APNIC Deaggregation factor:                                    4.13
Prefixes being announced from the APNIC address blocks:           30771
    Unique aggregates announced from the APNIC address blocks:     8607
APNIC Region origin ASes present in the Internet Routing Table:    1184
    APNIC Prefixes per ASN:                                       25.99
APNIC Region origin ASes announcing only one prefix:                469
APNIC Region transit ASes present in the Internet Routing Table:    210
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    512
Number of APNIC addresses announced to Internet:              172934508
    Equivalent to 10 /8s, 78 /16s and 197 /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:                    116717
    Total ARIN prefixes after maximum aggregation:                62221
    ARIN Deaggregation factor:                                     1.88
Prefixes being announced from the ARIN address blocks:           115403
    Unique aggregates announced from the ARIN address blocks:     65981
ARIN Region origin ASes present in the Internet Routing Table:     9086
    ARIN Prefixes per ASN:                                        12.70
ARIN Region origin ASes announcing only one prefix:                3787
ARIN Region transit ASes present in the Internet Routing Table:     839
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:    2043
Number of ARIN addresses announced to Internet:               874084993
    Equivalent to 52 /8s, 25 /16s and 122 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                     50157
    Total RIPE prefixes after maximum aggregation:                26764
    RIPE Deaggregation factor:                                     1.87
Prefixes being announced from the RIPE address blocks:            51534
    Unique aggregates announced from the RIPE address blocks:     36680
RIPE Region origin ASes present in the Internet Routing Table:     4795
    RIPE Prefixes per ASN:                                        10.75
RIPE Region origin ASes announcing only one prefix:                2034
RIPE Region transit ASes present in the Internet Routing Table:     716
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1897
Number of RIPE addresses announced to Internet:               302681808
    Equivalent to 18 /8s, 10 /16s and 142 /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,
                        53/8,  57/8,  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:                   49292
    Total LACNIC prefixes after maximum aggregation:              14961
    LACNIC Deaggregation factor:                                   3.29
Prefixes being announced from the LACNIC address blocks:          48142
    Unique aggregates announced from the LACNIC address blocks:   22924
LACNIC Region origin ASes present in the Internet Routing Table:   4317
    LACNIC Prefixes per ASN:                                      11.15
LACNIC Region origin ASes announcing only one prefix:              1497
LACNIC Region transit ASes present in the Internet Routing Table:   898
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3402
Number of LACNIC addresses announced to Internet:              99413824
    Equivalent to 5 /8s, 236 /16s and 239 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   9752
    Total AfriNIC prefixes after maximum aggregation:              3112
    AfriNIC Deaggregation factor:                                  3.13
Prefixes being announced from the AfriNIC address blocks:         11769
    Unique aggregates announced from the AfriNIC address blocks:   5545
AfriNIC Region origin ASes present in the Internet Routing Table:   306
    AfriNIC Prefixes per ASN:                                     38.46
AfriNIC Region origin ASes announcing only one prefix:              125
AfriNIC Region transit ASes present in the Internet Routing Table:   79
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  150
Number of AfriNIC addresses announced to Internet:             40469504
    Equivalent to 2 /8s, 105 /16s and 132 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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        9856       8752      83  CHINAMOBILE-CN China Mobile Communication
 56046        1563        804     183  CMNET-JIANGSU-AP China Mobile communicati
 56047        1499        192      50  CMNET-HUNAN-AP China Mobile communication
 56041        1491        714      76  CMNET-ZHEJIANG-AP China Mobile communicat
 24547         807        177      48  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         778        501      74  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         600       2170     465  SINET-AS Research Organization of Informa
 17676         523       9887     160  GIGAINFRA SoftBank Corp., JP
 56040         486        489     108  CMNET-GUANGDONG-AP China Mobile communica
 24445         483        497      69  CMNET-V4HENAN-AS-AP Henan Mobile Communic

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       11040      11960    3950  AMAZON-02, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3184      23563    2039  ATT-INTERNET4, US
 22773        2472       2083     712  ASN-CXA-ALL-CCI-22773-RDC, US
   367        2456       3016    1149  DNIC-ASBLK-00306-00371, US
  4155        2234        151    1381  USDA-1, US
 11776        1874        256     220  ATLANTICBB-JOHNSTOWN, US
  6167        1753       3437     433  CELLCO-PART, US
   209        1670       4895     295  CENTURYLINK-US-LEGACY-QWEST, US
 36352        1534        163     807  AS-COLOCROSSING, 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        3205        195      65  ALJAWWALSTC-AS, SA
 20940        1295        100    1034  AKAMAI-ASN1, NL
  3215         887       4814     288  France Telecom - Orange, FR
  3257         796       2072     691  GTT-BACKBONE GTT, US
  8376         651         58      29  Jordan Data Communications, JO
  8452         629       1757     122  TE-AS TE-AS, EG
 25019         615        999     130  SAUDINETSTC-AS, SA
212238         590         43     524  CDNEXT, GB
  3320         578       8322     489  DTAG Internet service provider operations
 51167         560        110     246  CONTABO, DE

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        6163       1756     880  UNINET, MX
 11830        1984        369      64  Instituto Costarricense de Electricidad y
 10620        1746        260    1226  Telmex Colombia S.A., CO
  3816        1323        781     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1095        371      22  Telefonica del Peru S.A.A., PE
 26615        1015       2503      53  TIM SA, BR
 18881         867       1128      28  TELEFONICA BRASIL S.A, BR
 28006         646         77     295  CORPORACION NACIONAL DE TELECOMUNICACIONE
 27651         626         86      51  ENTEL CHILE S.A., CL
 26599         541       2865      73  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        1393        389      16  LINKdotNET-AS, EG
 24835         761        371     159  RAYA-AS, EG
 36992         658        989     326  ETISALAT-MISR, EG
 37069         636       1047      14  MOBINIL, EG
 29571         583         51     286  ORANGE-COTE-IVOIRE, CI
 36935         566        125     174  Vodafone-, EG
 20011         565        139     330  INTERNET-SOLUTIONS, ZA
 36914         549         82       3  KENET-AS, KE
 36903         446        209     308  MT-MPLS, MA
  2018         380        319      71  TENET-1, ZA

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
 16509       11040      11960    3950  AMAZON-02, US
  9808        9856       8752      83  CHINAMOBILE-CN China Mobile Communication
  8151        6163       1756     880  UNINET, MX
   749        3262      54895    2509  DNIC-AS-00749, US
 39891        3205        195      65  ALJAWWALSTC-AS, SA
  7018        3184      23563    2039  ATT-INTERNET4, US
 22773        2472       2083     712  ASN-CXA-ALL-CCI-22773-RDC, US
   367        2456       3016    1149  DNIC-ASBLK-00306-00371, US
  4155        2234        151    1381  USDA-1, US
 11830        1984        369      64  Instituto Costarricense de Electricidad y

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

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

   ASN  No of nets  Net Savings  Description
  9808        9856         9773  CHINAMOBILE-CN China Mobile Communications Grou
  8151        6163         5283  UNINET, MX
 39891        3205         3140  ALJAWWALSTC-AS, SA
 11830        1984         1920  Instituto Costarricense de Electricidad y Telec
 22773        2472         1760  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1874         1654  ATLANTICBB-JOHNSTOWN, US
 56047        1499         1449  CMNET-HUNAN-AP China Mobile communications corp
 56041        1491         1415  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1563         1380  CMNET-JIANGSU-AP China Mobile communications co
 24863        1393         1377  LINKdotNET-AS, EG

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
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
     53966  UNALLOCATED  8.39.98.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
    399953  UNALLOCATED  12.9.122.0/24             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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.154.248.0/24      Origin:     54641  IMH-IAD, US
23.154.248.0/24     Transit:      3356  LEVEL3, 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

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       /9:10      /10:28      /11:38      /12:137     
/13:194     /14:523     /15:1019    /16:6828    /17:3364    /18:4065    
/19:7502    /20:12316   /21:15153   /22:27499   /23:27909   /24:150958  
/25:52      /26:71      /27:37      /28:19      /29:16      /30:10      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        3204        6163  UNINET, MX
 39891        2321        3205  ALJAWWALSTC-AS, SA
 16509        2265       11040  AMAZON-02, US
 22773        1868        2472  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1683        1984  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1456        3184  ATT-INTERNET4, US
 10620         982        1746  Telmex Colombia S.A., CO
   209         949        1670  CENTURYLINK-US-LEGACY-QWEST, US
 11776         891        1874  ATLANTICBB-JOHNSTOWN, US
 19901         879        1049  BRSPD-PUBLIC, US

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

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

   1:65        2:535       3:522       4:5         5:1085      6:153    
   7:5         8:663      11:171      12:1002     13:299      14:118    
  15:296      16:234      17:5        18:869      20:130      21:4      
  22:188      23:2260     24:665      27:36       29:19       31:428    
  32:19       34:9        35:102      36:1213     37:703      38:1710   
  39:537      40:53       41:1010     42:218      43:210      44:32     
  45:3839     46:1038     47:94       49:29       50:362      51:371    
  52:1406     54:274      55:946      56:8        57:17       58:36     
  59:29       60:15       61:64       62:562      63:768      64:1756   
  65:1140     66:1569     67:976      68:524      69:1146     70:302    
  71:210      72:602      74:924      75:424      76:258      77:441    
  78:601      79:296      80:335      81:403      82:349      83:195    
  84:339      85:490      86:231      87:224      88:258      89:849    
  90:96       91:1055     92:648      93:869      94:804      95:698    
  96:221      97:55       98:529      99:163     100:27      101:27     
 102:344     103:1184    104:1069    105:84      106:50      107:1221   
 108:486     109:418     110:42      111:1873    112:465     113:44     
 114:55      115:20      116:50      117:982     118:166     119:132    
 120:1133    121:45      122:145     123:154     124:65      125:21     
 128:445     129:325     130:675     131:949     132:576     133:209    
 134:471     135:108     136:512     137:584     138:1013    139:402    
 140:682     141:453     142:920     143:700     144:413     145:92     
 146:648     147:507     148:711     149:653     150:339     151:637    
 152:674     153:136     154:778     155:751     156:789     157:385    
 158:482     159:669     160:641     161:642     162:899     163:400    
 164:742     165:809     166:606     167:643     168:1531    169:144    
 170:1561    171:106     172:1166    173:763     174:296     175:54     
 176:383     177:1109    178:476     179:870     180:73      181:1849   
 182:50      183:845     184:453     185:3376    186:2309    187:1081   
 188:813     189:1516    190:5001    191:501     192:4954    193:1917   
 194:1366    195:957     196:806     197:1295    198:2530    199:4592   
 200:3945    201:3247    202:1090    203:700     204:2102    205:2007   
 206:1582    207:1425    208:1307    209:1951    210:319     211:427    
 212:981     213:745     214:1021    215:41      216:2424    217:513    
 218:519     219:22      220:31      221:301     222:29      223:703    


End of report


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