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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Aug 20 22:42:12 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 20 Aug, 2023

  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:                              981337
    Prefixes after maximum aggregation (per Origin AS):          358801
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453241
Total ASes present in the Internet Routing Table:                 75074
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64338
Origin ASes announcing only one prefix:                           25868
Transit ASes present in the Internet Routing Table:               10736
Transit-only ASes present in the Internet Routing Table:            461
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.5
    Max AS path length visible:                                     131
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1267
    Number of instances of unregistered ASNs:                      1270
Number of 32-bit ASNs allocated by the RIRs:                      42488
Number of 32-bit ASNs visible in the Routing Table:               35151
Prefixes from 32-bit ASNs in the Routing Table:                  183274
Number of bogon 32-bit ASNs visible in the Routing Table:           197
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            663
Number of addresses announced to Internet:                   3055562410
    Equivalent to 182 /8s, 32 /16s and 46 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      337393

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

Prefixes being announced by APNIC Region ASes:                   255996
    Total APNIC prefixes after maximum aggregation:               71162
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          249451
    Unique aggregates announced from the APNIC address blocks:    98817
APNIC Region origin ASes present in the Internet Routing Table:   13690
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               4008
APNIC Region transit ASes present in the Internet Routing Table:   1852
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8988
Number of APNIC addresses announced to Internet:              774452832
    Equivalent to 46 /8s, 41 /16s and 54 /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:                    281816
    Total ARIN prefixes after maximum aggregation:               125602
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           283384
    Unique aggregates announced from the ARIN address blocks:    131219
ARIN Region origin ASes present in the Internet Routing Table:    19159
    ARIN Prefixes per ASN:                                        14.79
ARIN Region origin ASes announcing only one prefix:                6963
ARIN Region transit ASes present in the Internet Routing Table:    1953
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4837
Number of ARIN addresses announced to Internet:              1276940608
    Equivalent to 76 /8s, 28 /16s and 145 /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:                    279955
    Total RIPE prefixes after maximum aggregation:               126535
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275878
    Unique aggregates announced from the RIPE address blocks:    160278
RIPE Region origin ASes present in the Internet Routing Table:    28521
    RIPE Prefixes per ASN:                                         9.67
RIPE Region origin ASes announcing only one prefix:               12019
RIPE Region transit ASes present in the Internet Routing Table:    4019
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11357
Number of RIPE addresses announced to Internet:               717230558
    Equivalent to 42 /8s, 192 /16s and 17 /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:                  128153
    Total LACNIC prefixes after maximum aggregation:              28721
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127545
    Unique aggregates announced from the LACNIC address blocks:   49640
LACNIC Region origin ASes present in the Internet Routing Table:  11031
    LACNIC Prefixes per ASN:                                      11.56
LACNIC Region origin ASes announcing only one prefix:              2294
LACNIC Region transit ASes present in the Internet Routing Table:  2365
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8838
Number of LACNIC addresses announced to Internet:             178707488
    Equivalent to 10 /8s, 166 /16s and 220 /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:                  34150
    Total AfriNIC prefixes after maximum aggregation:              5993
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:         44415
    Unique aggregates announced from the AfriNIC address blocks:  12720
AfriNIC Region origin ASes present in the Internet Routing Table:  1793
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      5.7
    Max AfriNIC Region AS path length visible:                      131
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1131
Number of AfriNIC addresses announced to Internet:            107803904
    Equivalent to 6 /8s, 108 /16s and 245 /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        9544       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5718        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3733       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3596       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3091        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2491        845     407  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  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        8902      10978    3196  AMAZON-02, US
 11492        4528        300     625  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
 22773        3662       3059     292  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3619       6656     619  COGENT-174, US
  6327        3527       1319      66  SHAW, CA
 16625        3164       1533    2353  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3000       3831    1424  DNIC-ASBLK-00306-00371, US
396982        2688       3596     388  GOOGLE-CLOUD-PLATFORM, 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        8285       1142    3285  TTNET, TR
 12479        7353       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4166       3399     187  AKAMAI-ASN1, NL
  8551        3468        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2997       2295     925  ROSTELECOM-AS, RU
  9009        2701        250    1398  M247, RO
  5384        2498        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2457       1852      15  TE-AS TE-AS, EG
 34984        2371        365     592  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       11697       3360     606  UNINET, MX
 10620        3536        507     833  Telmex Colombia S.A., CO
 13999        2439        365     643  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1316       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1116         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1113        181     434  Techtel LMDS Comunicaciones Interactiva

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        1894        319      45  Telkom-Internet, ZA
 24863        1594        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1358       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         538         55      50  WANANCHI-, KE
 36914         530         82       3  KENET-AS, 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       11697       3360     606  UNINET, MX
  9808        9544       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8902      10978    3196  AMAZON-02, US
 47331        8285       1142    3285  TTNET, TR
 12479        7353       1713     145  UNI2-AS, ES
  7545        5718        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4528        300     625  CABLEONE, US
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9544         9501  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7353         7208  UNI2-AS, ES
 16509        8902         5706  AMAZON-02, US
  7545        5718         5029  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8285         5000  TTNET, TR
  4538        4991         4915  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4351         4326  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 45899        4048         3995  VNPT-AS-VN VNPT Corp, 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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     64512  PRIVATE      8.10.33.0/24             14127  ILAND, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     53775  UNALLOCATED  8.20.88.0/24              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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      /10:39      /11:102     /12:297     
/13:576     /14:1211    /15:2154    /16:13711   /17:8570    /18:14796   
/19:25813   /20:46063   /21:54716   /22:114519  /23:107453  /24:588265  
/25:495     /26:617     /27:1037    /28:76      /29:101     /30:28      
/31:24      /32:643     

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

   ASN  No of nets  Total ann.  Description
 47331        7414        8285  TTNET, TR
 12479        6438        7353  UNI2-AS, ES
  8151        5710       11697  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3437        4528  CABLEONE, US
  6327        3337        3527  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2935        3468  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2707        3662  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2162        2506  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2289      2:1526      3:230       4:8         5:4798      6:138    
   7:6         8:1627      9:1        11:172      12:1517     13:382    
  14:2399     15:302      16:198      17:380      18:605      20:302    
  21:4        22:188      23:6499     24:3046     25:6        27:2626   
  29:19       31:2681     32:97       34:26       35:120      36:2005   
  37:4744     38:6263     39:866      40:148      41:4866     42:2105   
  43:2429     44:327      45:17511    46:4540     47:393      49:1815   
  50:1896     51:593      52:1632     54:392      55:979      56:8      
  57:131      58:1970     59:1194     60:1003     61:2690     62:2844   
  63:1958     64:5789     65:2400     66:5142     67:3082     68:1348   
  69:4140     70:1413     71:698      72:3074     74:2686     75:1616   
  76:622      77:2595     78:3897     79:3025     80:2184     81:2061   
  82:1581     83:1354     84:1560     85:3818     86:870      87:2264   
  88:2848     89:3924     90:621      91:8010     92:2166     93:2643   
  94:3712     95:5090     96:1343     97:324      98:1130     99:736    
 100:123     101:1362    102:3372    103:32732   104:4617    105:2006   
 106:961     107:2595    108:1144    109:4349    110:2183    111:3184   
 112:2141    113:1813    114:1669    115:2127    116:1956    117:2592   
 118:2754    119:2087    120:1842    121:1194    122:2740    123:2237   
 124:1653    125:2551    128:1548    129:1124    130:1085    131:2079   
 132:960     133:420     134:1801    135:354     136:916     137:990    
 138:2843    139:1623    140:1269    141:1322    142:1506    143:1590   
 144:1014    145:343     146:2006    147:1632    148:2484    149:2207   
 150:915     151:1230    152:2006    153:586     154:5086    155:1407   
 156:1985    157:1358    158:1093    159:2247    160:2710    161:1592   
 162:3568    163:1660    164:1771    165:1920    166:1049    167:1757   
 168:4071    169:961     170:4885    171:923     172:3691    173:3013   
 174:1004    175:1231    176:3953    177:5589    178:3588    179:2462   
 180:2608    181:3563    182:3447    183:2034    184:2335    185:20934  
 186:5067    187:4583    188:4347    189:4053    190:9467    191:1868   
 192:11049   193:9032    194:7548    195:5463    196:3677    197:3100   
 198:6087    199:6129    200:8209    201:6256    202:11042   203:10615  
 204:4616    205:3727    206:4408    207:3534    208:4212    209:5012   
 210:4720    211:2617    212:4389    213:3727    214:1096    215:60     
 216:6905    217:3037    218:1327    219:619     220:2045    221:981    
 222:853     223:2196   

End of report


More information about the ren-bgp-stats-all mailing list