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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 21 22:41:15 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 21 Dec, 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:                              986128
    Prefixes after maximum aggregation (per Origin AS):          363295
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      456071
Total ASes present in the Internet Routing Table:                 75431
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64645
Origin ASes announcing only one prefix:                           26024
Transit ASes present in the Internet Routing Table:               10786
Transit-only ASes present in the Internet Routing Table:            500
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.9
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1235
    Number of instances of unregistered ASNs:                      1237
Number of 32-bit ASNs allocated by the RIRs:                      43246
Number of 32-bit ASNs visible in the Routing Table:               35700
Prefixes from 32-bit ASNs in the Routing Table:                  186545
Number of bogon 32-bit ASNs visible in the Routing Table:           178
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            591
Number of addresses announced to Internet:                   3049837086
    Equivalent to 181 /8s, 200 /16s and 210 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      339010

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

Prefixes being announced by APNIC Region ASes:                   257778
    Total APNIC prefixes after maximum aggregation:               73086
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250634
    Unique aggregates announced from the APNIC address blocks:    99744
APNIC Region origin ASes present in the Internet Routing Table:   13923
    APNIC Prefixes per ASN:                                       18.00
APNIC Region origin ASes announcing only one prefix:               4133
APNIC Region transit ASes present in the Internet Routing Table:   1881
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9248
Number of APNIC addresses announced to Internet:              771649696
    Equivalent to 45 /8s, 254 /16s and 112 /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:                    282274
    Total ARIN prefixes after maximum aggregation:               126207
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286708
    Unique aggregates announced from the ARIN address blocks:    132735
ARIN Region origin ASes present in the Internet Routing Table:    19108
    ARIN Prefixes per ASN:                                        15.00
ARIN Region origin ASes announcing only one prefix:                6931
ARIN Region transit ASes present in the Internet Routing Table:    1953
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4836
Number of ARIN addresses announced to Internet:              1276301120
    Equivalent to 76 /8s, 18 /16s and 207 /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:                    281993
    Total RIPE prefixes after maximum aggregation:               128195
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275714
    Unique aggregates announced from the RIPE address blocks:    160955
RIPE Region origin ASes present in the Internet Routing Table:    28596
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12085
RIPE Region transit ASes present in the Internet Routing Table:    3985
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                          40
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11538
Number of RIPE addresses announced to Internet:               715050718
    Equivalent to 42 /8s, 158 /16s and 206 /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:                  128729
    Total LACNIC prefixes after maximum aggregation:              28920
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         127734
    Unique aggregates announced from the LACNIC address blocks:   49398
LACNIC Region origin ASes present in the Internet Routing Table:  11062
    LACNIC Prefixes per ASN:                                      11.55
LACNIC Region origin ASes announcing only one prefix:              2275
LACNIC Region transit ASes present in the Internet Routing Table:  2402
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8910
Number of LACNIC addresses announced to Internet:             178460512
    Equivalent to 10 /8s, 163 /16s and 23 /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:                  34119
    Total AfriNIC prefixes after maximum aggregation:              6104
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44746
    Unique aggregates announced from the AfriNIC address blocks:  12743
AfriNIC Region origin ASes present in the Internet Routing Table:  1828
    AfriNIC Prefixes per ASN:                                     24.48
AfriNIC Region origin ASes announcing only one prefix:              600
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1168
Number of AfriNIC addresses announced to Internet:            107995392
    Equivalent to 6 /8s, 111 /16s and 225 /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        9797       8738      50  CHINAMOBILE-CN China Mobile Communicati
  7545        5677        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4995       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4536        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3841       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3408        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3357       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2657        856     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9449      11194    3386  AMAZON-02, US
 11492        4562        303     680  CABLEONE, US
  7155        4182        289      98  VIASAT-SP-BACKBONE, US
   174        3896       6658     650  COGENT-174, US
 22773        3608       3077     307  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3235       1432    2348  AKAMAI-AS, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2968       3849    1419  DNIC-ASBLK-00306-00371, US
396982        2740       3639     385  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        8818       1198    2739  TTNET, TR
 12479        7575       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4074       3398     169  AKAMAI-ASN1, NL
  9009        3510        301    1643  M247, RO
  8551        3366        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3039       2301     918  ROSTELECOM-AS, RU
  5384        2509        585      30  EMIRATES-INTERNET Emirates Internet, AE
 34984        2374        363     585  TELLCOM-AS, TR
  8452        2370       1852      14  TE-AS TE-AS, EG

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       12164       3382     596  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2484        338     647  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1244        341     502  Axtel, S.A.B. de C.V., MX
 28202        1102         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1099        177     430  Techtel LMDS Comunicaciones Interactiva
  6147        1088        369      22  Telefonica del Peru S.A.A., PE

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        1625        316      43  Telkom-Internet, ZA
 24863        1588        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1053         68      50  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         539         82       3  KENET-AS, KE
 15399         534         56      53  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       12164       3382     596  UNINET, MX
  9808        9797       8738      50  CHINAMOBILE-CN China Mobile Communicati
 16509        9449      11194    3386  AMAZON-02, US
 47331        8818       1198    2739  TTNET, TR
 12479        7575       1714     146  UNI2-AS, ES
  7545        5677        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4995       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4562        303     680  CABLEONE, US
 18403        4536        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        9797         9747  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7575         7429  UNI2-AS, ES
 47331        8818         6079  TTNET, TR
 16509        9449         6063  AMAZON-02, US
  7545        5677         4990  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4995         4920  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4536         4511  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4084  VIASAT-SP-BACKBONE, US
 20940        4074         3905  AKAMAI-ASN1, NL

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            65512  -Private Use AS-, ZZ
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23             33650  COMCAST-33650, 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
     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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, 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
100.65.8.0/24             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
100.66.10.0/24            65534  -Private Use AS-, ZZ
100.70.8.0/24               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
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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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

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      /10:38      /11:99      /12:300     
/13:583     /14:1209    /15:2136    /16:13595   /17:8516    /18:14229   
/19:25686   /20:45661   /21:54349   /22:114411  /23:107310  /24:593060  
/25:1127    /26:1078    /27:1501    /28:163     /29:242     /30:80      
/31:82      /32:642     

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

   ASN  No of nets  Total ann.  Description
 47331        7928        8818  TTNET, TR
 12479        6663        7575  UNI2-AS, ES
  8151        6173       12164  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3125        4182  VIASAT-SP-BACKBONE, US
  8551        2843        3366  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2649        3608  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2130        2473  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2317      2:1583      3:280       4:8         5:4600      6:163    
   7:6         8:1613      9:1        11:172      12:1494     13:376    
  14:2395     15:308      16:206      17:367      18:706      20:362    
  21:4        22:188      23:6614     24:3013     25:2        27:2656   
  29:19       31:2709     32:74       34:37       35:121      36:2126   
  37:4658     38:6898     39:889      40:148      41:4713     42:2200   
  43:2381     44:330      45:17482    46:4588     47:304      49:1915   
  50:1912     51:577      52:1632     54:384      55:882      56:5      
  57:138      58:2008     59:1193     60:1013     61:2757     62:2885   
  63:1945     64:5710     65:2387     66:5165     67:3125     68:1356   
  69:4099     70:1382     71:618      72:3022     74:2674     75:1598   
  76:630      77:2473     78:4113     79:3053     80:2172     81:2114   
  82:1597     83:1397     84:1643     85:3847     86:891      87:2254   
  88:2972     89:4113     90:661      91:8056     92:2262     93:2673   
  94:3810     95:5252     96:1334     97:317      98:1040     99:745    
 100:122     101:1164    102:3491    103:32911   104:4821    105:2029   
 106:992     107:2783    108:1150    109:4258    110:2170    111:3192   
 112:2110    113:1738    114:1759    115:2107    116:2007    117:2586   
 118:2787    119:2017    120:1811    121:1324    122:2784    123:2251   
 124:1660    125:2812    128:1580    129:1008    130:1109    131:2081   
 132:983     133:411     134:1717    135:336     136:920     137:1051   
 138:2917    139:1572    140:1348    141:1364    142:1583    143:1613   
 144:1006    145:337     146:2048    147:1662    148:2523    149:2472   
 150:1031    151:1330    152:1977    153:599     154:5726    155:1385   
 156:2151    157:1401    158:1091    159:2219    160:2697    161:1648   
 162:3634    163:1657    164:1693    165:1918    166:1091    167:1757   
 168:3983    169:817     170:4909    171:1001    172:3783    173:3061   
 174:901     175:1256    176:3759    177:5457    178:3684    179:2462   
 180:2440    181:3717    182:3420    183:2051    184:2287    185:20839  
 186:5127    187:4709    188:4280    189:4269    190:9612    191:1938   
 192:11040   193:9049    194:7563    195:5483    196:3658    197:2928   
 198:6074    199:6865    200:8404    201:6326    202:10958   203:10516  
 204:4662    205:3698    206:4524    207:3565    208:4154    209:5010   
 210:4724    211:2602    212:4348    213:3527    214:1117    215:49     
 216:6902    217:3029    218:1349    219:614     220:2034    221:1025   
 222:882     223:2225   

End of report


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