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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 20 22:41:40 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 20 May, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              1008370
    Prefixes after maximum aggregation (per Origin AS):          367225
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462156
Total ASes present in the Internet Routing Table:                 76078
    Prefixes per ASN:                                             13.25
Origin-only ASes present in the Internet Routing Table:           65157
Origin ASes announcing only one prefix:                           26061
Transit ASes present in the Internet Routing Table:               10921
Transit-only ASes present in the Internet Routing Table:            530
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1200
    Number of instances of unregistered ASNs:                      1203
Number of 32-bit ASNs allocated by the RIRs:                      44497
Number of 32-bit ASNs visible in the Routing Table:               36575
Prefixes from 32-bit ASNs in the Routing Table:                  197205
Number of bogon 32-bit ASNs visible in the Routing Table:           173
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            739
Number of addresses announced to Internet:                   3031515764
    Equivalent to 180 /8s, 177 /16s and 66 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      344639

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

Prefixes being announced by APNIC Region ASes:                   263921
    Total APNIC prefixes after maximum aggregation:               74853
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255855
    Unique aggregates announced from the APNIC address blocks:   101193
APNIC Region origin ASes present in the Internet Routing Table:   14276
    APNIC Prefixes per ASN:                                       17.92
APNIC Region origin ASes announcing only one prefix:               4283
APNIC Region transit ASes present in the Internet Routing Table:   1933
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9620
Number of APNIC addresses announced to Internet:              762312864
    Equivalent to 45 /8s, 111 /16s and 248 /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:                    287002
    Total ARIN prefixes after maximum aggregation:               126662
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291613
    Unique aggregates announced from the ARIN address blocks:    133655
ARIN Region origin ASes present in the Internet Routing Table:    19207
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                6955
ARIN Region transit ASes present in the Internet Routing Table:    1982
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4921
Number of ARIN addresses announced to Internet:              1268002626
    Equivalent to 75 /8s, 148 /16s and 47 /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,  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:                    285631
    Total RIPE prefixes after maximum aggregation:               129554
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           279405
    Unique aggregates announced from the RIPE address blocks:    164138
RIPE Region origin ASes present in the Internet Routing Table:    28698
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12071
RIPE Region transit ASes present in the Internet Routing Table:    4003
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11832
Number of RIPE addresses announced to Internet:               716449650
    Equivalent to 42 /8s, 180 /16s and 39 /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:                  135766
    Total LACNIC prefixes after maximum aggregation:              29150
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134186
    Unique aggregates announced from the LACNIC address blocks:   49533
LACNIC Region origin ASes present in the Internet Routing Table:  11084
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2133
LACNIC Region transit ASes present in the Internet Routing Table:  2461
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        60
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8983
Number of LACNIC addresses announced to Internet:             177014816
    Equivalent to 10 /8s, 141 /16s and 8 /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:                  34850
    Total AfriNIC prefixes after maximum aggregation:              6279
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         46571
    Unique aggregates announced from the AfriNIC address blocks:  13109
AfriNIC Region origin ASes present in the Internet Routing Table:  1854
    AfriNIC Prefixes per ASN:                                     25.12
AfriNIC Region origin ASes announcing only one prefix:              619
AfriNIC Region transit ASes present in the Internet Routing Table:  353
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1219
Number of AfriNIC addresses announced to Internet:            107349504
    Equivalent to 6 /8s, 102 /16s and 6 /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        9850       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4542       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4429        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3917       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3739        508     267  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3614       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2796        864     373  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     581  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9918      11375    3551  AMAZON-02, US
   174        5360       8783     874  COGENT-174, US
 11492        4616        306     604  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3597       1320      79  SHAW, CA
 22773        3550       3058     237  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3224      54904    2476  DNIC-AS-00749, US
 16625        3156       1351    2253  AKAMAI-AS, US
  7018        2820      23659    1775  ATT-INTERNET4, US
   367        2803       3443    1325  DNIC-ASBLK-00306-00371, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9140       1227    2140  TTNET, TR
 12479        7770       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3907       3396     152  AKAMAI-ASN1, NL
  9009        3423        297    1710  M247, RO
 12389        2989       2305     902  ROSTELECOM-AS, RU
  8551        2638        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2579       1852      14  TE-AS TE-AS, EG
  5384        2489        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2391        365     574  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12210       3321     494  UNINET, MX
 10620        3511        492     939  Telmex Colombia S.A., CO
 13999        2534        353     664  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1558       2314     249  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1182        176     442  Techtel LMDS Comunicaciones Interactiva
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1634        314      37  Telkom-Internet, ZA
 24835        1548        545      28  RAYA-AS, EG
 24863        1505        389      20  LINKdotNET-AS, EG
 36992        1375       1520     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1204         77      60  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE
 15399         531         56      56  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12210       3321     494  UNINET, MX
 16509        9918      11375    3551  AMAZON-02, US
  9808        9850       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9140       1227    2140  TTNET, TR
 12479        7770       1708     145  UNI2-AS, ES
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5360       8783     874  COGENT-174, US
  4538        5035       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4616        306     604  CABLEONE, US

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

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

   ASN  No of nets  Net Savings  Description
  9808        9850         9780  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
 47331        9140         7000  TTNET, TR
 16509        9918         6367  AMAZON-02, US
  7545        5637         4963  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035         4961  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4542         4497  VNPT-AS-VN VNPT Corp, VN
   174        5360         4486  COGENT-174, US
 18403        4429         4406  FPT-AS-AP FPT Telecom Company, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US

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

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

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      3491  BTN-ASN, US
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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:94      /12:298     
/13:583     /14:1197    /15:2127    /16:13418   /17:8523    /18:14735   
/19:25790   /20:45784   /21:54545   /22:115610  /23:108429  /24:610955  
/25:1120    /26:1101    /27:1604    /28:314     /29:519     /30:519     
/31:353     /32:684     

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

   ASN  No of nets  Total ann.  Description
 47331        8246        9140  TTNET, TR
 12479        6864        7770  UNI2-AS, ES
  8151        6234       12210  UNINET, MX
 11492        3525        4616  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3597  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2641        3550  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2167        2513  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2137        3511  Telmex Colombia S.A., CO

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

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

   1:2324      2:1722      3:346       4:22        5:4753      6:164    
   7:6         8:1621      9:1        11:172      12:1461     13:360    
  14:2487     15:319      16:211      17:371      18:767      20:393    
  21:4        22:188      23:6807     24:3126     25:2        27:2689   
  29:19       31:2742     32:61       34:65       35:137      36:2332   
  37:4606     38:8757     39:902      40:125      41:4674     42:2177   
  43:2440     44:321      45:18493    46:4598     47:313      49:1968   
  50:1925     51:580      52:1613     54:313      55:997      56:5      
  57:187      58:2136     59:1271     60:1029     61:2804     62:2833   
  63:1932     64:5732     65:2392     66:4842     67:3070     68:1352   
  69:4157     70:1389     71:595      72:2951     74:2631     75:1596   
  76:623      77:2636     78:4179     79:2547     80:2232     81:2269   
  82:1688     83:1410     84:1668     85:4094     86:1008     87:2322   
  88:3110     89:4218     90:680      91:8277     92:2394     93:2733   
  94:3898     95:5451     96:1296     97:316      98:1053     99:742    
 100:91      101:1201    102:3745    103:33139   104:4818    105:2089   
 106:1015    107:2775    108:1160    109:4173    110:2185    111:3287   
 112:2114    113:1838    114:1808    115:2186    116:1917    117:2681   
 118:2861    119:2085    120:1798    121:1364    122:2843    123:2273   
 124:1705    125:2907    126:32      128:1544    129:1037    130:1190   
 131:2025    132:928     133:412     134:1748    135:366     136:1063   
 137:1083    138:3157    139:1558    140:1397    141:1359    142:1604   
 143:1698    144:1021    145:365     146:2105    147:1940    148:2548   
 149:2823    150:1044    151:1349    152:2173    153:591     154:6921   
 155:1474    156:2321    157:1829    158:1158    159:2348    160:2758   
 161:1719    162:3594    163:1772    164:1717    165:2186    166:1170   
 167:1829    168:4217    169:833     170:5352    171:1062    172:3882   
 173:3082    174:896     175:1258    176:3840    177:6292    178:3870   
 179:2688    180:2453    181:3830    182:3413    183:2012    184:2285   
 185:21154   186:5578    187:5155    188:4335    189:4563    190:9809   
 191:2090    192:11076   193:9190    194:7693    195:5500    196:3721   
 197:2860    198:6108    199:7901    200:8578    201:6533    202:10833  
 203:10672   204:4654    205:3825    206:4551    207:3654    208:4214   
 209:5140    210:4791    211:2673    212:4438    213:3600    214:1070   
 215:49      216:6950    217:3181    218:1369    219:611     220:2054   
 221:1045    222:987     223:2249   

End of report


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