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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 5 20:16:35 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Tue 05 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:                              257387
    Prefixes after maximum aggregation (per Origin AS):          113802
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      138607
    Number of IPv4 prefixes with a valid ROA:                     96781
    Number of IPv4 prefixes with an invalid ROA:                     50
    Number of IPv4 prefixes with no ROA:                         160556
Total ASes present in the Internet Routing Table:                 20750
    Prefixes per ASN:                                             12.40
Origin-only ASes present in the Internet Routing Table:           18082
Origin ASes announcing only one prefix:                            8092
Transit ASes present in the Internet Routing Table:                2668
Transit-only ASes present in the Internet Routing Table:            663
Paths with bogon ASNs present in the IPv4 Routing Table:             12
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               426
    Number of instances of unregistered ASNs:                       426
Number of 32-bit ASNs allocated by the RIRs:                      43154
Number of 32-bit ASNs visible in the Routing Table:                7458
Prefixes from 32-bit ASNs in the Routing Table:                   26631
Number of bogon 32-bit ASNs visible in the Routing Table:             2
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            135
Number of addresses announced to Internet:                   1488443465
    Equivalent to 88 /8s, 183 /16s and 216 /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:       87356

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

Prefixes being announced by APNIC Region ASes:                    30697
    Total APNIC prefixes after maximum aggregation:                7293
    APNIC Deaggregation factor:                                    4.21
Prefixes being announced from the APNIC address blocks:           30254
    Unique aggregates announced from the APNIC address blocks:     8394
APNIC Region origin ASes present in the Internet Routing Table:    1205
    APNIC Prefixes per ASN:                                       25.11
APNIC Region origin ASes announcing only one prefix:                492
APNIC Region transit ASes present in the Internet Routing Table:    196
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    527
Number of APNIC addresses announced to Internet:              213195144
    Equivalent to 12 /8s, 181 /16s and 25 /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:                    118995
    Total ARIN prefixes after maximum aggregation:                62446
    ARIN Deaggregation factor:                                     1.91
Prefixes being announced from the ARIN address blocks:           119019
    Unique aggregates announced from the ARIN address blocks:     68955
ARIN Region origin ASes present in the Internet Routing Table:     9634
    ARIN Prefixes per ASN:                                        12.35
ARIN Region origin ASes announcing only one prefix:                3959
ARIN Region transit ASes present in the Internet Routing Table:     860
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:    2038
Number of ARIN addresses announced to Internet:               842063041
    Equivalent to 50 /8s, 48 /16s and 220 /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:                     56474
    Total RIPE prefixes after maximum aggregation:                28262
    RIPE Deaggregation factor:                                     2.00
Prefixes being announced from the RIPE address blocks:            55431
    Unique aggregates announced from the RIPE address blocks:     37388
RIPE Region origin ASes present in the Internet Routing Table:     5207
    RIPE Prefixes per ASN:                                        10.65
RIPE Region origin ASes announcing only one prefix:                2232
RIPE Region transit ASes present in the Internet Routing Table:     710
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:    1970
Number of RIPE addresses announced to Internet:               304153344
    Equivalent to 18 /8s, 33 /16s and 3 /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:                   41972
    Total LACNIC prefixes after maximum aggregation:              13107
    LACNIC Deaggregation factor:                                   3.20
Prefixes being announced from the LACNIC address blocks:          41349
    Unique aggregates announced from the LACNIC address blocks:   19737
LACNIC Region origin ASes present in the Internet Routing Table:   3638
    LACNIC Prefixes per ASN:                                      11.37
LACNIC Region origin ASes announcing only one prefix:              1317
LACNIC Region transit ASes present in the Internet Routing Table:   732
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2812
Number of LACNIC addresses announced to Internet:              88369920
    Equivalent to 5 /8s, 68 /16s and 107 /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:                   8823
    Total AfriNIC prefixes after maximum aggregation:              2402
    AfriNIC Deaggregation factor:                                  3.67
Prefixes being announced from the AfriNIC address blocks:         11199
    Unique aggregates announced from the AfriNIC address blocks:   4006
AfriNIC Region origin ASes present in the Internet Routing Table:   246
    AfriNIC Prefixes per ASN:                                     45.52
AfriNIC Region origin ASes announcing only one prefix:               92
AfriNIC Region transit ASes present in the Internet Routing Table:   64
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  111
Number of AfriNIC addresses announced to Internet:             40520192
    Equivalent to 2 /8s, 106 /16s and 74 /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        9560       8729      40  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1428        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1416        834     106  CMNET-JIANGSU-AP China Mobile communica
 24547         766        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         663       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        9374      11175    3338  AMAZON-02, US
 22773        3501       3039     295  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        3009       3845    1429  DNIC-ASBLK-00306-00371, US
  7018        2548      23609    1589  ATT-INTERNET4, US
  5650        1891       2744    1316  FRONTIER-FRTR, US
 18566        1852        373     314  MEGAPATH5-, US
 11776        1842        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1740       3064     430  CELLCO-PART, US
   209        1713       4899     329  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        4502        267      55  ALJAWWALSTC-AS, SA
 20940        1643        144    1287  AKAMAI-ASN1, NL
 58224        1036        649     629  TCI, IR
  3215         919       4899     293  France Telecom - Orange, FR
 61317         896         60     770  ASDETUK www.heficed.com, US
 25019         872       1035     152  SAUDINETSTC-AS, SA
  8452         863       1841      14  TE-AS TE-AS, EG
 34984         819        106     517  TELLCOM-AS, TR
  8376         734         60      22  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR

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        5867       1671    1013  UNINET, MX
 11830        2000        369      64  Instituto Costarricense de Electricidad
 10620        1874        265    1235  Telmex Colombia S.A., CO
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1081        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         912        147     400  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        1263        388      22  LINKdotNET-AS, EG
 24835        1032        457      25  RAYA-AS, EG
 36992         682       1012     336  ETISALAT-MISR, EG
 36935         673        520      41  Vodafone-, EG
 36914         510         82       3  KENET-AS, KE
 36903         415        192     302  MT-MPLS, MA
 15399         412         36     178  WANANCHI-, KE
 29571         388         36     161  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 37693         313        594      41  TUNISIANA, TN

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        9560       8729      40  CHINAMOBILE-CN China Mobile Communicati
 16509        9374      11175    3338  AMAZON-02, US
  8151        5867       1671    1013  UNINET, MX
 39891        4502        267      55  ALJAWWALSTC-AS, SA
 22773        3501       3039     295  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        3009       3845    1429  DNIC-ASBLK-00306-00371, US
  7018        2548      23609    1589  ATT-INTERNET4, US
 11830        2000        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        9374         6036  AMAZON-02, US
  8151        5867         4854  UNINET, MX
 39891        4502         4447  ALJAWWALSTC-AS, SA
 22773        3501         3206  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2000         1936  Instituto Costarricense de Electricidad y Telec
 11776        1842         1621  ATLANTICBB-JOHNSTOWN, US
   367        3009         1580  DNIC-ASBLK-00306-00371, US
 18566        1852         1538  MEGAPATH5-, US
 56047        1505         1471  CMNET-HUNAN-AP China Mobile communications corp
   209        1713         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     /14:499     /15:1001    /16:7442    /17:3492    /18:4059    
/19:7885    /20:12300   /21:15526   /22:28875   /23:29066   /24:146552  
/25:84      /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        3256        4502  ALJAWWALSTC-AS, SA
  8151        3109        5867  UNINET, MX
 22773        2560        3501  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1920        9374  AMAZON-02, US
 18566        1766        1852  MEGAPATH5-, US
 11830        1698        2000  Instituto Costarricense de Electricidad y Telec
  5650        1380        1891  FRONTIER-FRTR, US
 10620        1127        1874  Telmex Colombia S.A., CO
  7018        1119        2548  ATT-INTERNET4, US
   209         967        1713  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        2:535       3:247       4:5         5:1337      6:149    
   7:5         8:728      11:171      12:1093     13:312      14:101    
  15:283      16:167      17:6        18:650      20:219      21:4      
  22:188      23:2442     24:759      25:2        27:25       29:19     
  31:443      32:37       34:2        35:56       36:1062     37:955    
  38:1328     39:502      40:61       41:1000     42:20       43:202    
  44:42       45:3365     46:864      47:155      49:20       50:334    
  51:479      52:1380     54:354      55:867      56:5        57:24     
  58:7        59:33       60:18       61:70       62:599      63:884    
  64:2073     65:1151     66:2280     67:957      68:641      69:1277   
  70:497      71:265      72:697      74:1052     75:433      76:225    
  77:273      78:570      79:254      80:410      81:362      82:318    
  83:159      84:369      85:441      86:215      87:299      88:227    
  89:645      90:104      91:952      92:497      93:940      94:650    
  95:1249     96:281      97:70       98:546      99:162     100:45     
 101:27      102:293     103:1203    104:1420    105:68      106:42     
 107:1375    108:529     109:343     110:35      111:1736    112:472    
 113:48      114:33      115:18      116:46      117:955     118:64     
 119:124     120:1081    121:42      122:93      123:81      124:57     
 125:15      128:452     129:375     130:612     131:1098    132:555    
 133:267     134:460     135:124     136:416     137:545     138:889    
 139:539     140:579     141:274     142:783     143:668     144:376    
 145:90      146:597     147:421     148:691     149:708     150:293    
 151:602     152:527     153:146     154:645     155:764     156:619    
 157:322     158:466     159:669     160:662     161:633     162:956    
 163:402     164:666     165:569     166:587     167:620     168:1405   
 169:184     170:1547    171:97      172:1319    173:836     174:280    
 175:48      176:828     177:874     178:400     179:673     180:50     
 181:1586    182:15      183:879     184:505     185:3448    186:1848   
 187:854     188:739     189:1324    190:4236    191:331     192:4928   
 193:1969    194:1460    195:1147    196:910     197:790     198:2603   
 199:3217    200:3198    201:3194    202:1108    203:635     204:2255   
 205:1845    206:1638    207:1420    208:1436    209:1933    210:334    
 211:475     212:1037    213:855     214:1075    215:57      216:2525   
 217:610     218:521     219:23      220:28      221:287     222:33     
 223:619    

End of report


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